STMicroelectronics STM32F411RETx 2024.04.27 STM32F411RETx false ADC1 Analog-to-digital converter ADC 0x0 0x0 0x51 registers n ADC ADC1 global interrupt 18 CR1 CR1 control register 1 0x4 32 read-write n 0x0 0x0 AWDCH Analog watchdog channel select bits 0 5 AWDEN Analog watchdog enable on regular channels 23 1 AWDIE Analog watchdog interrupt enable 6 1 AWDSGL Enable the watchdog on a single channel in scan mode 9 1 DISCEN Discontinuous mode on regular channels 11 1 DISCNUM Discontinuous mode channel count 13 3 EOCIE Interrupt enable for EOC 5 1 JAUTO Automatic injected group conversion 10 1 JAWDEN Analog watchdog enable on injected channels 22 1 JDISCEN Discontinuous mode on injected channels 12 1 JEOCIE Interrupt enable for injected channels 7 1 OVRIE Overrun interrupt enable 26 1 RES Resolution 24 2 SCAN Scan mode 8 1 CR2 CR2 control register 2 0x8 32 read-write n 0x0 0x0 ADON A/D Converter ON / OFF 0 1 ALIGN Data alignment 11 1 CONT Continuous conversion 1 1 DDS DMA disable selection (for single ADC mode) 9 1 DMA Direct memory access mode (for single ADC mode) 8 1 EOCS End of conversion selection 10 1 EXTEN External trigger enable for regular channels 28 2 EXTSEL External event select for regular group 24 4 JEXTEN External trigger enable for injected channels 20 2 JEXTSEL External event select for injected group 16 4 JSWSTART Start conversion of injected channels 22 1 SWSTART Start conversion of regular channels 30 1 DR DR regular data register 0x4C 32 read-only n 0x0 0x0 DATA Regular data 0 16 HTR HTR watchdog higher threshold register 0x24 32 read-write n 0x0 0x0 HT Analog watchdog higher threshold 0 12 JDR1 JDR1 injected data register x 0x3C 32 read-only n 0x0 0x0 JDATA Injected data 0 16 JDR2 JDR2 injected data register x 0x40 32 read-only n 0x0 0x0 JDATA Injected data 0 16 JDR3 JDR3 injected data register x 0x44 32 read-only n 0x0 0x0 JDATA Injected data 0 16 JDR4 JDR4 injected data register x 0x48 32 read-only n 0x0 0x0 JDATA Injected data 0 16 JOFR1 JOFR1 injected channel data offset register x 0x14 32 read-write n 0x0 0x0 JOFFSET1 Data offset for injected channel x 0 12 JOFR2 JOFR2 injected channel data offset register x 0x18 32 read-write n 0x0 0x0 JOFFSET2 Data offset for injected channel x 0 12 JOFR3 JOFR3 injected channel data offset register x 0x1C 32 read-write n 0x0 0x0 JOFFSET3 Data offset for injected channel x 0 12 JOFR4 JOFR4 injected channel data offset register x 0x20 32 read-write n 0x0 0x0 JOFFSET4 Data offset for injected channel x 0 12 JSQR JSQR injected sequence register 0x38 32 read-write n 0x0 0x0 JL Injected sequence length 20 2 JSQ1 1st conversion in injected sequence 0 5 JSQ2 2nd conversion in injected sequence 5 5 JSQ3 3rd conversion in injected sequence 10 5 JSQ4 4th conversion in injected sequence 15 5 LTR LTR watchdog lower threshold register 0x28 32 read-write n 0x0 0x0 LT Analog watchdog lower threshold 0 12 SMPR1 SMPR1 sample time register 1 0xC 32 read-write n 0x0 0x0 SMPx_x Sample time bits 0 32 SMPR2 SMPR2 sample time register 2 0x10 32 read-write n 0x0 0x0 SMPx_x Sample time bits 0 32 SQR1 SQR1 regular sequence register 1 0x2C 32 read-write n 0x0 0x0 L Regular channel sequence length 20 4 SQ13 13th conversion in regular sequence 0 5 SQ14 14th conversion in regular sequence 5 5 SQ15 15th conversion in regular sequence 10 5 SQ16 16th conversion in regular sequence 15 5 SQR2 SQR2 regular sequence register 2 0x30 32 read-write n 0x0 0x0 SQ10 10th conversion in regular sequence 15 5 SQ11 11th conversion in regular sequence 20 5 SQ12 12th conversion in regular sequence 25 5 SQ7 7th conversion in regular sequence 0 5 SQ8 8th conversion in regular sequence 5 5 SQ9 9th conversion in regular sequence 10 5 SQR3 SQR3 regular sequence register 3 0x34 32 read-write n 0x0 0x0 SQ1 1st conversion in regular sequence 0 5 SQ2 2nd conversion in regular sequence 5 5 SQ3 3rd conversion in regular sequence 10 5 SQ4 4th conversion in regular sequence 15 5 SQ5 5th conversion in regular sequence 20 5 SQ6 6th conversion in regular sequence 25 5 SR SR status register 0x0 32 read-write n 0x0 0x0 AWD Analog watchdog flag 0 1 EOC Regular channel end of conversion 1 1 JEOC Injected channel end of conversion 2 1 JSTRT Injected channel start flag 3 1 OVR Overrun 5 1 STRT Regular channel start flag 4 1 ADC_Common ADC common registers ADC 0x0 0x0 0x9 registers n FPU FPU interrupt 81 CCR CCR ADC common control register 0x4 32 read-write n 0x0 0x0 ADCPRE ADC prescaler 16 2 DDS DMA disable selection for multi-ADC mode 13 1 DELAY Delay between 2 sampling phases 8 4 DMA Direct memory access mode for multi ADC mode 14 2 TSVREFE Temperature sensor and VREFINT enable 23 1 VBATE VBAT enable 22 1 CSR CSR ADC Common status register 0x0 32 read-only n 0x0 0x0 AWD1 Analog watchdog flag of ADC 1 0 1 AWD2 Analog watchdog flag of ADC 2 8 1 AWD3 Analog watchdog flag of ADC 3 16 1 EOC1 End of conversion of ADC 1 1 1 EOC2 End of conversion of ADC 2 9 1 EOC3 End of conversion of ADC 3 17 1 JEOC1 Injected channel end of conversion of ADC 1 2 1 JEOC2 Injected channel end of conversion of ADC 2 10 1 JEOC3 Injected channel end of conversion of ADC 3 18 1 JSTRT1 Injected channel Start flag of ADC 1 3 1 JSTRT2 Injected channel Start flag of ADC 2 11 1 JSTRT3 Injected channel Start flag of ADC 3 19 1 OVR1 Overrun flag of ADC 1 5 1 OVR2 Overrun flag of ADC 2 13 1 OVR3 Overrun flag of ADC3 21 1 STRT1 Regular channel Start flag of ADC 1 4 1 STRT2 Regular channel Start flag of ADC 2 12 1 STRT3 Regular channel Start flag of ADC 3 20 1 CRC Cryptographic processor CRC 0x0 0x0 0x400 registers n CR CR Control register 0x8 32 write-only n 0x0 0x0 CR Control regidter 0 1 DR DR Data register 0x0 32 read-write n 0x0 0x0 DR Data Register 0 32 IDR IDR Independent Data register 0x4 32 read-write n 0x0 0x0 IDR Independent Data register 0 8 DBG Debug support DBG 0x0 0x0 0x400 registers n DBGMCU_APB1_FZ DBGMCU_APB1_FZ Debug MCU APB1 Freeze registe 0x8 32 read-write n 0x0 0x0 DBG_I2C1_SMBUS_TIMEOUT DBG_J2C1_SMBUS_TIMEOUT 21 1 DBG_I2C2_SMBUS_TIMEOUT DBG_J2C2_SMBUS_TIMEOUT 22 1 DBG_I2C3SMBUS_TIMEOUT DBG_J2C3SMBUS_TIMEOUT 23 1 DBG_IWDEG_STOP DBG_IWDEG_STOP 12 1 DBG_RTC_Stop RTC stopped when Core is halted 10 1 DBG_TIM2_STOP DBG_TIM2_STOP 0 1 DBG_TIM3_STOP DBG_TIM3 _STOP 1 1 DBG_TIM4_STOP DBG_TIM4_STOP 2 1 DBG_TIM5_STOP DBG_TIM5_STOP 3 1 DBG_WWDG_STOP DBG_WWDG_STOP 11 1 DBGMCU_APB2_FZ DBGMCU_APB2_FZ Debug MCU APB2 Freeze registe 0xC 32 read-write n 0x0 0x0 DBG_TIM10_STOP TIM10 counter stopped when core is halted 17 1 DBG_TIM11_STOP TIM11 counter stopped when core is halted 18 1 DBG_TIM1_STOP TIM1 counter stopped when core is halted 0 1 DBG_TIM9_STOP TIM9 counter stopped when core is halted 16 1 DBGMCU_CR DBGMCU_CR Control Register 0x4 32 read-write n 0x0 0x0 DBG_SLEEP DBG_SLEEP 0 1 DBG_STANDBY DBG_STANDBY 2 1 DBG_STOP DBG_STOP 1 1 TRACE_IOEN TRACE_IOEN 5 1 TRACE_MODE TRACE_MODE 6 2 DBGMCU_IDCODE DBGMCU_IDCODE IDCODE 0x0 32 read-only n 0x0 0x0 DEV_ID DEV_ID 0 12 REV_ID REV_ID 16 16 DMA1 DMA controller DMA 0x0 0x0 0x400 registers n RTC_WKUP RTC Wakeup interrupt through the EXTI line 3 RTC_Alarm RTC Alarms (A and B) through EXTI line interrupt 41 HIFCR HIFCR high interrupt flag clear register 0xC 32 write-only n 0x0 0x0 CDMEIF4 Stream x clear direct mode error interrupt flag (x = 7..4) 2 1 CDMEIF5 Stream x clear direct mode error interrupt flag (x = 7..4) 8 1 CDMEIF6 Stream x clear direct mode error interrupt flag (x = 7..4) 18 1 CDMEIF7 Stream x clear direct mode error interrupt flag (x = 7..4) 24 1 CFEIF4 Stream x clear FIFO error interrupt flag (x = 7..4) 0 1 CFEIF5 Stream x clear FIFO error interrupt flag (x = 7..4) 6 1 CFEIF6 Stream x clear FIFO error interrupt flag (x = 7..4) 16 1 CFEIF7 Stream x clear FIFO error interrupt flag (x = 7..4) 22 1 CHTIF4 Stream x clear half transfer interrupt flag (x = 7..4) 4 1 CHTIF5 Stream x clear half transfer interrupt flag (x = 7..4) 10 1 CHTIF6 Stream x clear half transfer interrupt flag (x = 7..4) 20 1 CHTIF7 Stream x clear half transfer interrupt flag (x = 7..4) 26 1 CTCIF4 Stream x clear transfer complete interrupt flag (x = 7..4) 5 1 CTCIF5 Stream x clear transfer complete interrupt flag (x = 7..4) 11 1 CTCIF6 Stream x clear transfer complete interrupt flag (x = 7..4) 21 1 CTCIF7 Stream x clear transfer complete interrupt flag (x = 7..4) 27 1 CTEIF4 Stream x clear transfer error interrupt flag (x = 7..4) 3 1 CTEIF5 Stream x clear transfer error interrupt flag (x = 7..4) 9 1 CTEIF6 Stream x clear transfer error interrupt flag (x = 7..4) 19 1 CTEIF7 Stream x clear transfer error interrupt flag (x = 7..4) 25 1 HISR HISR high interrupt status register 0x4 32 read-only n 0x0 0x0 DMEIF4 Stream x direct mode error interrupt flag (x=7..4) 2 1 DMEIF5 Stream x direct mode error interrupt flag (x=7..4) 8 1 DMEIF6 Stream x direct mode error interrupt flag (x=7..4) 18 1 DMEIF7 Stream x direct mode error interrupt flag (x=7..4) 24 1 FEIF4 Stream x FIFO error interrupt flag (x=7..4) 0 1 FEIF5 Stream x FIFO error interrupt flag (x=7..4) 6 1 FEIF6 Stream x FIFO error interrupt flag (x=7..4) 16 1 FEIF7 Stream x FIFO error interrupt flag (x=7..4) 22 1 HTIF4 Stream x half transfer interrupt flag (x=7..4) 4 1 HTIF5 Stream x half transfer interrupt flag (x=7..4) 10 1 HTIF6 Stream x half transfer interrupt flag (x=7..4) 20 1 HTIF7 Stream x half transfer interrupt flag (x=7..4) 26 1 TCIF4 Stream x transfer complete interrupt flag (x=7..4) 5 1 TCIF5 Stream x transfer complete interrupt flag (x=7..4) 11 1 TCIF6 Stream x transfer complete interrupt flag (x=7..4) 21 1 TCIF7 Stream x transfer complete interrupt flag (x=7..4) 27 1 TEIF4 Stream x transfer error interrupt flag (x=7..4) 3 1 TEIF5 Stream x transfer error interrupt flag (x=7..4) 9 1 TEIF6 Stream x transfer error interrupt flag (x=7..4) 19 1 TEIF7 Stream x transfer error interrupt flag (x=7..4) 25 1 LIFCR LIFCR low interrupt flag clear register 0x8 32 write-only n 0x0 0x0 CDMEIF0 Stream x clear direct mode error interrupt flag (x = 3..0) 2 1 CDMEIF1 Stream x clear direct mode error interrupt flag (x = 3..0) 8 1 CDMEIF2 Stream x clear direct mode error interrupt flag (x = 3..0) 18 1 CDMEIF3 Stream x clear direct mode error interrupt flag (x = 3..0) 24 1 CFEIF0 Stream x clear FIFO error interrupt flag (x = 3..0) 0 1 CFEIF1 Stream x clear FIFO error interrupt flag (x = 3..0) 6 1 CFEIF2 Stream x clear FIFO error interrupt flag (x = 3..0) 16 1 CFEIF3 Stream x clear FIFO error interrupt flag (x = 3..0) 22 1 CHTIF0 Stream x clear half transfer interrupt flag (x = 3..0) 4 1 CHTIF1 Stream x clear half transfer interrupt flag (x = 3..0) 10 1 CHTIF2 Stream x clear half transfer interrupt flag (x = 3..0) 20 1 CHTIF3 Stream x clear half transfer interrupt flag (x = 3..0) 26 1 CTCIF0 Stream x clear transfer complete interrupt flag (x = 3..0) 5 1 CTCIF1 Stream x clear transfer complete interrupt flag (x = 3..0) 11 1 CTCIF2 Stream x clear transfer complete interrupt flag (x = 3..0) 21 1 CTCIF3 Stream x clear transfer complete interrupt flag (x = 3..0) 27 1 CTEIF0 Stream x clear transfer error interrupt flag (x = 3..0) 3 1 CTEIF1 Stream x clear transfer error interrupt flag (x = 3..0) 9 1 CTEIF2 Stream x clear transfer error interrupt flag (x = 3..0) 19 1 CTEIF3 Stream x clear transfer error interrupt flag (x = 3..0) 25 1 LISR LISR low interrupt status register 0x0 32 read-only n 0x0 0x0 DMEIF0 Stream x direct mode error interrupt flag (x=3..0) 2 1 DMEIF1 Stream x direct mode error interrupt flag (x=3..0) 8 1 DMEIF2 Stream x direct mode error interrupt flag (x=3..0) 18 1 DMEIF3 Stream x direct mode error interrupt flag (x=3..0) 24 1 FEIF0 Stream x FIFO error interrupt flag (x=3..0) 0 1 FEIF1 Stream x FIFO error interrupt flag (x=3..0) 6 1 FEIF2 Stream x FIFO error interrupt flag (x=3..0) 16 1 FEIF3 Stream x FIFO error interrupt flag (x=3..0) 22 1 HTIF0 Stream x half transfer interrupt flag (x=3..0) 4 1 HTIF1 Stream x half transfer interrupt flag (x=3..0) 10 1 HTIF2 Stream x half transfer interrupt flag (x=3..0) 20 1 HTIF3 Stream x half transfer interrupt flag (x=3..0) 26 1 TCIF0 Stream x transfer complete interrupt flag (x = 3..0) 5 1 TCIF1 Stream x transfer complete interrupt flag (x = 3..0) 11 1 TCIF2 Stream x transfer complete interrupt flag (x = 3..0) 21 1 TCIF3 Stream x transfer complete interrupt flag (x = 3..0) 27 1 TEIF0 Stream x transfer error interrupt flag (x=3..0) 3 1 TEIF1 Stream x transfer error interrupt flag (x=3..0) 9 1 TEIF2 Stream x transfer error interrupt flag (x=3..0) 19 1 TEIF3 Stream x transfer error interrupt flag (x=3..0) 25 1 S0CR S0CR stream x configuration register 0x10 32 read-write n 0x0 0x0 CHSEL Channel selection 25 3 CIRC Circular mode 8 1 CT Current target (only in double buffer mode) 19 1 DBM Double buffer mode 18 1 DIR Data transfer direction 6 2 DMEIE Direct mode error interrupt enable 1 1 EN Stream enable / flag stream ready when read low 0 1 HTIE Half transfer interrupt enable 3 1 MBURST Memory burst transfer configuration 23 2 MINC Memory increment mode 10 1 MSIZE Memory data size 13 2 PBURST Peripheral burst transfer configuration 21 2 PFCTRL Peripheral flow controller 5 1 PINC Peripheral increment mode 9 1 PINCOS Peripheral increment offset size 15 1 PL Priority level 16 2 PSIZE Peripheral data size 11 2 TCIE Transfer complete interrupt enable 4 1 TEIE Transfer error interrupt enable 2 1 S0FCR S0FCR stream x FIFO control register 0x24 32 read-write n 0x0 0x0 DMDIS Direct mode disable 2 1 read-write FEIE FIFO error interrupt enable 7 1 read-write FS FIFO status 3 3 read-only FTH FIFO threshold selection 0 2 read-write S0M0AR S0M0AR stream x memory 0 address register 0x1C 32 read-write n 0x0 0x0 M0A Memory 0 address 0 32 S0M1AR S0M1AR stream x memory 1 address register 0x20 32 read-write n 0x0 0x0 M1A Memory 1 address (used in case of Double buffer mode) 0 32 S0NDTR S0NDTR stream x number of data register 0x14 32 read-write n 0x0 0x0 NDT Number of data items to transfer 0 16 S0PAR S0PAR stream x peripheral address register 0x18 32 read-write n 0x0 0x0 PA Peripheral address 0 32 S1CR S1CR stream x configuration register 0x28 32 read-write n 0x0 0x0 ACK ACK 20 1 CHSEL Channel selection 25 3 CIRC Circular mode 8 1 CT Current target (only in double buffer mode) 19 1 DBM Double buffer mode 18 1 DIR Data transfer direction 6 2 DMEIE Direct mode error interrupt enable 1 1 EN Stream enable / flag stream ready when read low 0 1 HTIE Half transfer interrupt enable 3 1 MBURST Memory burst transfer configuration 23 2 MINC Memory increment mode 10 1 MSIZE Memory data size 13 2 PBURST Peripheral burst transfer configuration 21 2 PFCTRL Peripheral flow controller 5 1 PINC Peripheral increment mode 9 1 PINCOS Peripheral increment offset size 15 1 PL Priority level 16 2 PSIZE Peripheral data size 11 2 TCIE Transfer complete interrupt enable 4 1 TEIE Transfer error interrupt enable 2 1 S1FCR S1FCR stream x FIFO control register 0x3C 32 read-write n 0x0 0x0 DMDIS Direct mode disable 2 1 read-write FEIE FIFO error interrupt enable 7 1 read-write FS FIFO status 3 3 read-only FTH FIFO threshold selection 0 2 read-write S1M0AR S1M0AR stream x memory 0 address register 0x34 32 read-write n 0x0 0x0 M0A Memory 0 address 0 32 S1M1AR S1M1AR stream x memory 1 address register 0x38 32 read-write n 0x0 0x0 M1A Memory 1 address (used in case of Double buffer mode) 0 32 S1NDTR S1NDTR stream x number of data register 0x2C 32 read-write n 0x0 0x0 NDT Number of data items to transfer 0 16 S1PAR S1PAR stream x peripheral address register 0x30 32 read-write n 0x0 0x0 PA Peripheral address 0 32 S2CR S2CR stream x configuration register 0x40 32 read-write n 0x0 0x0 ACK ACK 20 1 CHSEL Channel selection 25 3 CIRC Circular mode 8 1 CT Current target (only in double buffer mode) 19 1 DBM Double buffer mode 18 1 DIR Data transfer direction 6 2 DMEIE Direct mode error interrupt enable 1 1 EN Stream enable / flag stream ready when read low 0 1 HTIE Half transfer interrupt enable 3 1 MBURST Memory burst transfer configuration 23 2 MINC Memory increment mode 10 1 MSIZE Memory data size 13 2 PBURST Peripheral burst transfer configuration 21 2 PFCTRL Peripheral flow controller 5 1 PINC Peripheral increment mode 9 1 PINCOS Peripheral increment offset size 15 1 PL Priority level 16 2 PSIZE Peripheral data size 11 2 TCIE Transfer complete interrupt enable 4 1 TEIE Transfer error interrupt enable 2 1 S2FCR S2FCR stream x FIFO control register 0x54 32 read-write n 0x0 0x0 DMDIS Direct mode disable 2 1 read-write FEIE FIFO error interrupt enable 7 1 read-write FS FIFO status 3 3 read-only FTH FIFO threshold selection 0 2 read-write S2M0AR S2M0AR stream x memory 0 address register 0x4C 32 read-write n 0x0 0x0 M0A Memory 0 address 0 32 S2M1AR S2M1AR stream x memory 1 address register 0x50 32 read-write n 0x0 0x0 M1A Memory 1 address (used in case of Double buffer mode) 0 32 S2NDTR S2NDTR stream x number of data register 0x44 32 read-write n 0x0 0x0 NDT Number of data items to transfer 0 16 S2PAR S2PAR stream x peripheral address register 0x48 32 read-write n 0x0 0x0 PA Peripheral address 0 32 S3CR S3CR stream x configuration register 0x58 32 read-write n 0x0 0x0 ACK ACK 20 1 CHSEL Channel selection 25 3 CIRC Circular mode 8 1 CT Current target (only in double buffer mode) 19 1 DBM Double buffer mode 18 1 DIR Data transfer direction 6 2 DMEIE Direct mode error interrupt enable 1 1 EN Stream enable / flag stream ready when read low 0 1 HTIE Half transfer interrupt enable 3 1 MBURST Memory burst transfer configuration 23 2 MINC Memory increment mode 10 1 MSIZE Memory data size 13 2 PBURST Peripheral burst transfer configuration 21 2 PFCTRL Peripheral flow controller 5 1 PINC Peripheral increment mode 9 1 PINCOS Peripheral increment offset size 15 1 PL Priority level 16 2 PSIZE Peripheral data size 11 2 TCIE Transfer complete interrupt enable 4 1 TEIE Transfer error interrupt enable 2 1 S3FCR S3FCR stream x FIFO control register 0x6C 32 read-write n 0x0 0x0 DMDIS Direct mode disable 2 1 read-write FEIE FIFO error interrupt enable 7 1 read-write FS FIFO status 3 3 read-only FTH FIFO threshold selection 0 2 read-write S3M0AR S3M0AR stream x memory 0 address register 0x64 32 read-write n 0x0 0x0 M0A Memory 0 address 0 32 S3M1AR S3M1AR stream x memory 1 address register 0x68 32 read-write n 0x0 0x0 M1A Memory 1 address (used in case of Double buffer mode) 0 32 S3NDTR S3NDTR stream x number of data register 0x5C 32 read-write n 0x0 0x0 NDT Number of data items to transfer 0 16 S3PAR S3PAR stream x peripheral address register 0x60 32 read-write n 0x0 0x0 PA Peripheral address 0 32 S4CR S4CR stream x configuration register 0x70 32 read-write n 0x0 0x0 ACK ACK 20 1 CHSEL Channel selection 25 3 CIRC Circular mode 8 1 CT Current target (only in double buffer mode) 19 1 DBM Double buffer mode 18 1 DIR Data transfer direction 6 2 DMEIE Direct mode error interrupt enable 1 1 EN Stream enable / flag stream ready when read low 0 1 HTIE Half transfer interrupt enable 3 1 MBURST Memory burst transfer configuration 23 2 MINC Memory increment mode 10 1 MSIZE Memory data size 13 2 PBURST Peripheral burst transfer configuration 21 2 PFCTRL Peripheral flow controller 5 1 PINC Peripheral increment mode 9 1 PINCOS Peripheral increment offset size 15 1 PL Priority level 16 2 PSIZE Peripheral data size 11 2 TCIE Transfer complete interrupt enable 4 1 TEIE Transfer error interrupt enable 2 1 S4FCR S4FCR stream x FIFO control register 0x84 32 read-write n 0x0 0x0 DMDIS Direct mode disable 2 1 read-write FEIE FIFO error interrupt enable 7 1 read-write FS FIFO status 3 3 read-only FTH FIFO threshold selection 0 2 read-write S4M0AR S4M0AR stream x memory 0 address register 0x7C 32 read-write n 0x0 0x0 M0A Memory 0 address 0 32 S4M1AR S4M1AR stream x memory 1 address register 0x80 32 read-write n 0x0 0x0 M1A Memory 1 address (used in case of Double buffer mode) 0 32 S4NDTR S4NDTR stream x number of data register 0x74 32 read-write n 0x0 0x0 NDT Number of data items to transfer 0 16 S4PAR S4PAR stream x peripheral address register 0x78 32 read-write n 0x0 0x0 PA Peripheral address 0 32 S5CR S5CR stream x configuration register 0x88 32 read-write n 0x0 0x0 ACK ACK 20 1 CHSEL Channel selection 25 3 CIRC Circular mode 8 1 CT Current target (only in double buffer mode) 19 1 DBM Double buffer mode 18 1 DIR Data transfer direction 6 2 DMEIE Direct mode error interrupt enable 1 1 EN Stream enable / flag stream ready when read low 0 1 HTIE Half transfer interrupt enable 3 1 MBURST Memory burst transfer configuration 23 2 MINC Memory increment mode 10 1 MSIZE Memory data size 13 2 PBURST Peripheral burst transfer configuration 21 2 PFCTRL Peripheral flow controller 5 1 PINC Peripheral increment mode 9 1 PINCOS Peripheral increment offset size 15 1 PL Priority level 16 2 PSIZE Peripheral data size 11 2 TCIE Transfer complete interrupt enable 4 1 TEIE Transfer error interrupt enable 2 1 S5FCR S5FCR stream x FIFO control register 0x9C 32 read-write n 0x0 0x0 DMDIS Direct mode disable 2 1 read-write FEIE FIFO error interrupt enable 7 1 read-write FS FIFO status 3 3 read-only FTH FIFO threshold selection 0 2 read-write S5M0AR S5M0AR stream x memory 0 address register 0x94 32 read-write n 0x0 0x0 M0A Memory 0 address 0 32 S5M1AR S5M1AR stream x memory 1 address register 0x98 32 read-write n 0x0 0x0 M1A Memory 1 address (used in case of Double buffer mode) 0 32 S5NDTR S5NDTR stream x number of data register 0x8C 32 read-write n 0x0 0x0 NDT Number of data items to transfer 0 16 S5PAR S5PAR stream x peripheral address register 0x90 32 read-write n 0x0 0x0 PA Peripheral address 0 32 S6CR S6CR stream x configuration register 0xA0 32 read-write n 0x0 0x0 ACK ACK 20 1 CHSEL Channel selection 25 3 CIRC Circular mode 8 1 CT Current target (only in double buffer mode) 19 1 DBM Double buffer mode 18 1 DIR Data transfer direction 6 2 DMEIE Direct mode error interrupt enable 1 1 EN Stream enable / flag stream ready when read low 0 1 HTIE Half transfer interrupt enable 3 1 MBURST Memory burst transfer configuration 23 2 MINC Memory increment mode 10 1 MSIZE Memory data size 13 2 PBURST Peripheral burst transfer configuration 21 2 PFCTRL Peripheral flow controller 5 1 PINC Peripheral increment mode 9 1 PINCOS Peripheral increment offset size 15 1 PL Priority level 16 2 PSIZE Peripheral data size 11 2 TCIE Transfer complete interrupt enable 4 1 TEIE Transfer error interrupt enable 2 1 S6FCR S6FCR stream x FIFO control register 0xB4 32 read-write n 0x0 0x0 DMDIS Direct mode disable 2 1 read-write FEIE FIFO error interrupt enable 7 1 read-write FS FIFO status 3 3 read-only FTH FIFO threshold selection 0 2 read-write S6M0AR S6M0AR stream x memory 0 address register 0xAC 32 read-write n 0x0 0x0 M0A Memory 0 address 0 32 S6M1AR S6M1AR stream x memory 1 address register 0xB0 32 read-write n 0x0 0x0 M1A Memory 1 address (used in case of Double buffer mode) 0 32 S6NDTR S6NDTR stream x number of data register 0xA4 32 read-write n 0x0 0x0 NDT Number of data items to transfer 0 16 S6PAR S6PAR stream x peripheral address register 0xA8 32 read-write n 0x0 0x0 PA Peripheral address 0 32 S7CR S7CR stream x configuration register 0xB8 32 read-write n 0x0 0x0 ACK ACK 20 1 CHSEL Channel selection 25 3 CIRC Circular mode 8 1 CT Current target (only in double buffer mode) 19 1 DBM Double buffer mode 18 1 DIR Data transfer direction 6 2 DMEIE Direct mode error interrupt enable 1 1 EN Stream enable / flag stream ready when read low 0 1 HTIE Half transfer interrupt enable 3 1 MBURST Memory burst transfer configuration 23 2 MINC Memory increment mode 10 1 MSIZE Memory data size 13 2 PBURST Peripheral burst transfer configuration 21 2 PFCTRL Peripheral flow controller 5 1 PINC Peripheral increment mode 9 1 PINCOS Peripheral increment offset size 15 1 PL Priority level 16 2 PSIZE Peripheral data size 11 2 TCIE Transfer complete interrupt enable 4 1 TEIE Transfer error interrupt enable 2 1 S7FCR S7FCR stream x FIFO control register 0xCC 32 read-write n 0x0 0x0 DMDIS Direct mode disable 2 1 read-write FEIE FIFO error interrupt enable 7 1 read-write FS FIFO status 3 3 read-only FTH FIFO threshold selection 0 2 read-write S7M0AR S7M0AR stream x memory 0 address register 0xC4 32 read-write n 0x0 0x0 M0A Memory 0 address 0 32 S7M1AR S7M1AR stream x memory 1 address register 0xC8 32 read-write n 0x0 0x0 M1A Memory 1 address (used in case of Double buffer mode) 0 32 S7NDTR S7NDTR stream x number of data register 0xBC 32 read-write n 0x0 0x0 NDT Number of data items to transfer 0 16 S7PAR S7PAR stream x peripheral address register 0xC0 32 read-write n 0x0 0x0 PA Peripheral address 0 32 DMA2 DMA controller DMA 0x0 0x0 0x400 registers n RCC RCC global interrupt 5 HIFCR HIFCR high interrupt flag clear register 0xC 32 write-only n 0x0 0x0 CDMEIF4 Stream x clear direct mode error interrupt flag (x = 7..4) 2 1 CDMEIF5 Stream x clear direct mode error interrupt flag (x = 7..4) 8 1 CDMEIF6 Stream x clear direct mode error interrupt flag (x = 7..4) 18 1 CDMEIF7 Stream x clear direct mode error interrupt flag (x = 7..4) 24 1 CFEIF4 Stream x clear FIFO error interrupt flag (x = 7..4) 0 1 CFEIF5 Stream x clear FIFO error interrupt flag (x = 7..4) 6 1 CFEIF6 Stream x clear FIFO error interrupt flag (x = 7..4) 16 1 CFEIF7 Stream x clear FIFO error interrupt flag (x = 7..4) 22 1 CHTIF4 Stream x clear half transfer interrupt flag (x = 7..4) 4 1 CHTIF5 Stream x clear half transfer interrupt flag (x = 7..4) 10 1 CHTIF6 Stream x clear half transfer interrupt flag (x = 7..4) 20 1 CHTIF7 Stream x clear half transfer interrupt flag (x = 7..4) 26 1 CTCIF4 Stream x clear transfer complete interrupt flag (x = 7..4) 5 1 CTCIF5 Stream x clear transfer complete interrupt flag (x = 7..4) 11 1 CTCIF6 Stream x clear transfer complete interrupt flag (x = 7..4) 21 1 CTCIF7 Stream x clear transfer complete interrupt flag (x = 7..4) 27 1 CTEIF4 Stream x clear transfer error interrupt flag (x = 7..4) 3 1 CTEIF5 Stream x clear transfer error interrupt flag (x = 7..4) 9 1 CTEIF6 Stream x clear transfer error interrupt flag (x = 7..4) 19 1 CTEIF7 Stream x clear transfer error interrupt flag (x = 7..4) 25 1 HISR HISR high interrupt status register 0x4 32 read-only n 0x0 0x0 DMEIF4 Stream x direct mode error interrupt flag (x=7..4) 2 1 DMEIF5 Stream x direct mode error interrupt flag (x=7..4) 8 1 DMEIF6 Stream x direct mode error interrupt flag (x=7..4) 18 1 DMEIF7 Stream x direct mode error interrupt flag (x=7..4) 24 1 FEIF4 Stream x FIFO error interrupt flag (x=7..4) 0 1 FEIF5 Stream x FIFO error interrupt flag (x=7..4) 6 1 FEIF6 Stream x FIFO error interrupt flag (x=7..4) 16 1 FEIF7 Stream x FIFO error interrupt flag (x=7..4) 22 1 HTIF4 Stream x half transfer interrupt flag (x=7..4) 4 1 HTIF5 Stream x half transfer interrupt flag (x=7..4) 10 1 HTIF6 Stream x half transfer interrupt flag (x=7..4) 20 1 HTIF7 Stream x half transfer interrupt flag (x=7..4) 26 1 TCIF4 Stream x transfer complete interrupt flag (x=7..4) 5 1 TCIF5 Stream x transfer complete interrupt flag (x=7..4) 11 1 TCIF6 Stream x transfer complete interrupt flag (x=7..4) 21 1 TCIF7 Stream x transfer complete interrupt flag (x=7..4) 27 1 TEIF4 Stream x transfer error interrupt flag (x=7..4) 3 1 TEIF5 Stream x transfer error interrupt flag (x=7..4) 9 1 TEIF6 Stream x transfer error interrupt flag (x=7..4) 19 1 TEIF7 Stream x transfer error interrupt flag (x=7..4) 25 1 LIFCR LIFCR low interrupt flag clear register 0x8 32 write-only n 0x0 0x0 CDMEIF0 Stream x clear direct mode error interrupt flag (x = 3..0) 2 1 CDMEIF1 Stream x clear direct mode error interrupt flag (x = 3..0) 8 1 CDMEIF2 Stream x clear direct mode error interrupt flag (x = 3..0) 18 1 CDMEIF3 Stream x clear direct mode error interrupt flag (x = 3..0) 24 1 CFEIF0 Stream x clear FIFO error interrupt flag (x = 3..0) 0 1 CFEIF1 Stream x clear FIFO error interrupt flag (x = 3..0) 6 1 CFEIF2 Stream x clear FIFO error interrupt flag (x = 3..0) 16 1 CFEIF3 Stream x clear FIFO error interrupt flag (x = 3..0) 22 1 CHTIF0 Stream x clear half transfer interrupt flag (x = 3..0) 4 1 CHTIF1 Stream x clear half transfer interrupt flag (x = 3..0) 10 1 CHTIF2 Stream x clear half transfer interrupt flag (x = 3..0) 20 1 CHTIF3 Stream x clear half transfer interrupt flag (x = 3..0) 26 1 CTCIF0 Stream x clear transfer complete interrupt flag (x = 3..0) 5 1 CTCIF1 Stream x clear transfer complete interrupt flag (x = 3..0) 11 1 CTCIF2 Stream x clear transfer complete interrupt flag (x = 3..0) 21 1 CTCIF3 Stream x clear transfer complete interrupt flag (x = 3..0) 27 1 CTEIF0 Stream x clear transfer error interrupt flag (x = 3..0) 3 1 CTEIF1 Stream x clear transfer error interrupt flag (x = 3..0) 9 1 CTEIF2 Stream x clear transfer error interrupt flag (x = 3..0) 19 1 CTEIF3 Stream x clear transfer error interrupt flag (x = 3..0) 25 1 LISR LISR low interrupt status register 0x0 32 read-only n 0x0 0x0 DMEIF0 Stream x direct mode error interrupt flag (x=3..0) 2 1 DMEIF1 Stream x direct mode error interrupt flag (x=3..0) 8 1 DMEIF2 Stream x direct mode error interrupt flag (x=3..0) 18 1 DMEIF3 Stream x direct mode error interrupt flag (x=3..0) 24 1 FEIF0 Stream x FIFO error interrupt flag (x=3..0) 0 1 FEIF1 Stream x FIFO error interrupt flag (x=3..0) 6 1 FEIF2 Stream x FIFO error interrupt flag (x=3..0) 16 1 FEIF3 Stream x FIFO error interrupt flag (x=3..0) 22 1 HTIF0 Stream x half transfer interrupt flag (x=3..0) 4 1 HTIF1 Stream x half transfer interrupt flag (x=3..0) 10 1 HTIF2 Stream x half transfer interrupt flag (x=3..0) 20 1 HTIF3 Stream x half transfer interrupt flag (x=3..0) 26 1 TCIF0 Stream x transfer complete interrupt flag (x = 3..0) 5 1 TCIF1 Stream x transfer complete interrupt flag (x = 3..0) 11 1 TCIF2 Stream x transfer complete interrupt flag (x = 3..0) 21 1 TCIF3 Stream x transfer complete interrupt flag (x = 3..0) 27 1 TEIF0 Stream x transfer error interrupt flag (x=3..0) 3 1 TEIF1 Stream x transfer error interrupt flag (x=3..0) 9 1 TEIF2 Stream x transfer error interrupt flag (x=3..0) 19 1 TEIF3 Stream x transfer error interrupt flag (x=3..0) 25 1 S0CR S0CR stream x configuration register 0x10 32 read-write n 0x0 0x0 CHSEL Channel selection 25 3 CIRC Circular mode 8 1 CT Current target (only in double buffer mode) 19 1 DBM Double buffer mode 18 1 DIR Data transfer direction 6 2 DMEIE Direct mode error interrupt enable 1 1 EN Stream enable / flag stream ready when read low 0 1 HTIE Half transfer interrupt enable 3 1 MBURST Memory burst transfer configuration 23 2 MINC Memory increment mode 10 1 MSIZE Memory data size 13 2 PBURST Peripheral burst transfer configuration 21 2 PFCTRL Peripheral flow controller 5 1 PINC Peripheral increment mode 9 1 PINCOS Peripheral increment offset size 15 1 PL Priority level 16 2 PSIZE Peripheral data size 11 2 TCIE Transfer complete interrupt enable 4 1 TEIE Transfer error interrupt enable 2 1 S0FCR S0FCR stream x FIFO control register 0x24 32 read-write n 0x0 0x0 DMDIS Direct mode disable 2 1 read-write FEIE FIFO error interrupt enable 7 1 read-write FS FIFO status 3 3 read-only FTH FIFO threshold selection 0 2 read-write S0M0AR S0M0AR stream x memory 0 address register 0x1C 32 read-write n 0x0 0x0 M0A Memory 0 address 0 32 S0M1AR S0M1AR stream x memory 1 address register 0x20 32 read-write n 0x0 0x0 M1A Memory 1 address (used in case of Double buffer mode) 0 32 S0NDTR S0NDTR stream x number of data register 0x14 32 read-write n 0x0 0x0 NDT Number of data items to transfer 0 16 S0PAR S0PAR stream x peripheral address register 0x18 32 read-write n 0x0 0x0 PA Peripheral address 0 32 S1CR S1CR stream x configuration register 0x28 32 read-write n 0x0 0x0 ACK ACK 20 1 CHSEL Channel selection 25 3 CIRC Circular mode 8 1 CT Current target (only in double buffer mode) 19 1 DBM Double buffer mode 18 1 DIR Data transfer direction 6 2 DMEIE Direct mode error interrupt enable 1 1 EN Stream enable / flag stream ready when read low 0 1 HTIE Half transfer interrupt enable 3 1 MBURST Memory burst transfer configuration 23 2 MINC Memory increment mode 10 1 MSIZE Memory data size 13 2 PBURST Peripheral burst transfer configuration 21 2 PFCTRL Peripheral flow controller 5 1 PINC Peripheral increment mode 9 1 PINCOS Peripheral increment offset size 15 1 PL Priority level 16 2 PSIZE Peripheral data size 11 2 TCIE Transfer complete interrupt enable 4 1 TEIE Transfer error interrupt enable 2 1 S1FCR S1FCR stream x FIFO control register 0x3C 32 read-write n 0x0 0x0 DMDIS Direct mode disable 2 1 read-write FEIE FIFO error interrupt enable 7 1 read-write FS FIFO status 3 3 read-only FTH FIFO threshold selection 0 2 read-write S1M0AR S1M0AR stream x memory 0 address register 0x34 32 read-write n 0x0 0x0 M0A Memory 0 address 0 32 S1M1AR S1M1AR stream x memory 1 address register 0x38 32 read-write n 0x0 0x0 M1A Memory 1 address (used in case of Double buffer mode) 0 32 S1NDTR S1NDTR stream x number of data register 0x2C 32 read-write n 0x0 0x0 NDT Number of data items to transfer 0 16 S1PAR S1PAR stream x peripheral address register 0x30 32 read-write n 0x0 0x0 PA Peripheral address 0 32 S2CR S2CR stream x configuration register 0x40 32 read-write n 0x0 0x0 ACK ACK 20 1 CHSEL Channel selection 25 3 CIRC Circular mode 8 1 CT Current target (only in double buffer mode) 19 1 DBM Double buffer mode 18 1 DIR Data transfer direction 6 2 DMEIE Direct mode error interrupt enable 1 1 EN Stream enable / flag stream ready when read low 0 1 HTIE Half transfer interrupt enable 3 1 MBURST Memory burst transfer configuration 23 2 MINC Memory increment mode 10 1 MSIZE Memory data size 13 2 PBURST Peripheral burst transfer configuration 21 2 PFCTRL Peripheral flow controller 5 1 PINC Peripheral increment mode 9 1 PINCOS Peripheral increment offset size 15 1 PL Priority level 16 2 PSIZE Peripheral data size 11 2 TCIE Transfer complete interrupt enable 4 1 TEIE Transfer error interrupt enable 2 1 S2FCR S2FCR stream x FIFO control register 0x54 32 read-write n 0x0 0x0 DMDIS Direct mode disable 2 1 read-write FEIE FIFO error interrupt enable 7 1 read-write FS FIFO status 3 3 read-only FTH FIFO threshold selection 0 2 read-write S2M0AR S2M0AR stream x memory 0 address register 0x4C 32 read-write n 0x0 0x0 M0A Memory 0 address 0 32 S2M1AR S2M1AR stream x memory 1 address register 0x50 32 read-write n 0x0 0x0 M1A Memory 1 address (used in case of Double buffer mode) 0 32 S2NDTR S2NDTR stream x number of data register 0x44 32 read-write n 0x0 0x0 NDT Number of data items to transfer 0 16 S2PAR S2PAR stream x peripheral address register 0x48 32 read-write n 0x0 0x0 PA Peripheral address 0 32 S3CR S3CR stream x configuration register 0x58 32 read-write n 0x0 0x0 ACK ACK 20 1 CHSEL Channel selection 25 3 CIRC Circular mode 8 1 CT Current target (only in double buffer mode) 19 1 DBM Double buffer mode 18 1 DIR Data transfer direction 6 2 DMEIE Direct mode error interrupt enable 1 1 EN Stream enable / flag stream ready when read low 0 1 HTIE Half transfer interrupt enable 3 1 MBURST Memory burst transfer configuration 23 2 MINC Memory increment mode 10 1 MSIZE Memory data size 13 2 PBURST Peripheral burst transfer configuration 21 2 PFCTRL Peripheral flow controller 5 1 PINC Peripheral increment mode 9 1 PINCOS Peripheral increment offset size 15 1 PL Priority level 16 2 PSIZE Peripheral data size 11 2 TCIE Transfer complete interrupt enable 4 1 TEIE Transfer error interrupt enable 2 1 S3FCR S3FCR stream x FIFO control register 0x6C 32 read-write n 0x0 0x0 DMDIS Direct mode disable 2 1 read-write FEIE FIFO error interrupt enable 7 1 read-write FS FIFO status 3 3 read-only FTH FIFO threshold selection 0 2 read-write S3M0AR S3M0AR stream x memory 0 address register 0x64 32 read-write n 0x0 0x0 M0A Memory 0 address 0 32 S3M1AR S3M1AR stream x memory 1 address register 0x68 32 read-write n 0x0 0x0 M1A Memory 1 address (used in case of Double buffer mode) 0 32 S3NDTR S3NDTR stream x number of data register 0x5C 32 read-write n 0x0 0x0 NDT Number of data items to transfer 0 16 S3PAR S3PAR stream x peripheral address register 0x60 32 read-write n 0x0 0x0 PA Peripheral address 0 32 S4CR S4CR stream x configuration register 0x70 32 read-write n 0x0 0x0 ACK ACK 20 1 CHSEL Channel selection 25 3 CIRC Circular mode 8 1 CT Current target (only in double buffer mode) 19 1 DBM Double buffer mode 18 1 DIR Data transfer direction 6 2 DMEIE Direct mode error interrupt enable 1 1 EN Stream enable / flag stream ready when read low 0 1 HTIE Half transfer interrupt enable 3 1 MBURST Memory burst transfer configuration 23 2 MINC Memory increment mode 10 1 MSIZE Memory data size 13 2 PBURST Peripheral burst transfer configuration 21 2 PFCTRL Peripheral flow controller 5 1 PINC Peripheral increment mode 9 1 PINCOS Peripheral increment offset size 15 1 PL Priority level 16 2 PSIZE Peripheral data size 11 2 TCIE Transfer complete interrupt enable 4 1 TEIE Transfer error interrupt enable 2 1 S4FCR S4FCR stream x FIFO control register 0x84 32 read-write n 0x0 0x0 DMDIS Direct mode disable 2 1 read-write FEIE FIFO error interrupt enable 7 1 read-write FS FIFO status 3 3 read-only FTH FIFO threshold selection 0 2 read-write S4M0AR S4M0AR stream x memory 0 address register 0x7C 32 read-write n 0x0 0x0 M0A Memory 0 address 0 32 S4M1AR S4M1AR stream x memory 1 address register 0x80 32 read-write n 0x0 0x0 M1A Memory 1 address (used in case of Double buffer mode) 0 32 S4NDTR S4NDTR stream x number of data register 0x74 32 read-write n 0x0 0x0 NDT Number of data items to transfer 0 16 S4PAR S4PAR stream x peripheral address register 0x78 32 read-write n 0x0 0x0 PA Peripheral address 0 32 S5CR S5CR stream x configuration register 0x88 32 read-write n 0x0 0x0 ACK ACK 20 1 CHSEL Channel selection 25 3 CIRC Circular mode 8 1 CT Current target (only in double buffer mode) 19 1 DBM Double buffer mode 18 1 DIR Data transfer direction 6 2 DMEIE Direct mode error interrupt enable 1 1 EN Stream enable / flag stream ready when read low 0 1 HTIE Half transfer interrupt enable 3 1 MBURST Memory burst transfer configuration 23 2 MINC Memory increment mode 10 1 MSIZE Memory data size 13 2 PBURST Peripheral burst transfer configuration 21 2 PFCTRL Peripheral flow controller 5 1 PINC Peripheral increment mode 9 1 PINCOS Peripheral increment offset size 15 1 PL Priority level 16 2 PSIZE Peripheral data size 11 2 TCIE Transfer complete interrupt enable 4 1 TEIE Transfer error interrupt enable 2 1 S5FCR S5FCR stream x FIFO control register 0x9C 32 read-write n 0x0 0x0 DMDIS Direct mode disable 2 1 read-write FEIE FIFO error interrupt enable 7 1 read-write FS FIFO status 3 3 read-only FTH FIFO threshold selection 0 2 read-write S5M0AR S5M0AR stream x memory 0 address register 0x94 32 read-write n 0x0 0x0 M0A Memory 0 address 0 32 S5M1AR S5M1AR stream x memory 1 address register 0x98 32 read-write n 0x0 0x0 M1A Memory 1 address (used in case of Double buffer mode) 0 32 S5NDTR S5NDTR stream x number of data register 0x8C 32 read-write n 0x0 0x0 NDT Number of data items to transfer 0 16 S5PAR S5PAR stream x peripheral address register 0x90 32 read-write n 0x0 0x0 PA Peripheral address 0 32 S6CR S6CR stream x configuration register 0xA0 32 read-write n 0x0 0x0 ACK ACK 20 1 CHSEL Channel selection 25 3 CIRC Circular mode 8 1 CT Current target (only in double buffer mode) 19 1 DBM Double buffer mode 18 1 DIR Data transfer direction 6 2 DMEIE Direct mode error interrupt enable 1 1 EN Stream enable / flag stream ready when read low 0 1 HTIE Half transfer interrupt enable 3 1 MBURST Memory burst transfer configuration 23 2 MINC Memory increment mode 10 1 MSIZE Memory data size 13 2 PBURST Peripheral burst transfer configuration 21 2 PFCTRL Peripheral flow controller 5 1 PINC Peripheral increment mode 9 1 PINCOS Peripheral increment offset size 15 1 PL Priority level 16 2 PSIZE Peripheral data size 11 2 TCIE Transfer complete interrupt enable 4 1 TEIE Transfer error interrupt enable 2 1 S6FCR S6FCR stream x FIFO control register 0xB4 32 read-write n 0x0 0x0 DMDIS Direct mode disable 2 1 read-write FEIE FIFO error interrupt enable 7 1 read-write FS FIFO status 3 3 read-only FTH FIFO threshold selection 0 2 read-write S6M0AR S6M0AR stream x memory 0 address register 0xAC 32 read-write n 0x0 0x0 M0A Memory 0 address 0 32 S6M1AR S6M1AR stream x memory 1 address register 0xB0 32 read-write n 0x0 0x0 M1A Memory 1 address (used in case of Double buffer mode) 0 32 S6NDTR S6NDTR stream x number of data register 0xA4 32 read-write n 0x0 0x0 NDT Number of data items to transfer 0 16 S6PAR S6PAR stream x peripheral address register 0xA8 32 read-write n 0x0 0x0 PA Peripheral address 0 32 S7CR S7CR stream x configuration register 0xB8 32 read-write n 0x0 0x0 ACK ACK 20 1 CHSEL Channel selection 25 3 CIRC Circular mode 8 1 CT Current target (only in double buffer mode) 19 1 DBM Double buffer mode 18 1 DIR Data transfer direction 6 2 DMEIE Direct mode error interrupt enable 1 1 EN Stream enable / flag stream ready when read low 0 1 HTIE Half transfer interrupt enable 3 1 MBURST Memory burst transfer configuration 23 2 MINC Memory increment mode 10 1 MSIZE Memory data size 13 2 PBURST Peripheral burst transfer configuration 21 2 PFCTRL Peripheral flow controller 5 1 PINC Peripheral increment mode 9 1 PINCOS Peripheral increment offset size 15 1 PL Priority level 16 2 PSIZE Peripheral data size 11 2 TCIE Transfer complete interrupt enable 4 1 TEIE Transfer error interrupt enable 2 1 S7FCR S7FCR stream x FIFO control register 0xCC 32 read-write n 0x0 0x0 DMDIS Direct mode disable 2 1 read-write FEIE FIFO error interrupt enable 7 1 read-write FS FIFO status 3 3 read-only FTH FIFO threshold selection 0 2 read-write S7M0AR S7M0AR stream x memory 0 address register 0xC4 32 read-write n 0x0 0x0 M0A Memory 0 address 0 32 S7M1AR S7M1AR stream x memory 1 address register 0xC8 32 read-write n 0x0 0x0 M1A Memory 1 address (used in case of Double buffer mode) 0 32 S7NDTR S7NDTR stream x number of data register 0xBC 32 read-write n 0x0 0x0 NDT Number of data items to transfer 0 16 S7PAR S7PAR stream x peripheral address register 0xC0 32 read-write n 0x0 0x0 PA Peripheral address 0 32 EXTI External interrupt/event controller EXTI 0x0 0x0 0x400 registers n TAMP_STAMP Tamper and TimeStamp interrupts through the EXTI line 2 EXTI0 EXTI Line0 interrupt 6 EXTI1 EXTI Line1 interrupt 7 EXTI2 EXTI Line2 interrupt 8 EXTI3 EXTI Line3 interrupt 9 EXTI4 EXTI Line4 interrupt 10 EXTI9_5 EXTI Line[9:5] interrupts 23 EXTI15_10 EXTI Line[15:10] interrupts 40 EMR EMR Event mask register (EXTI_EMR) 0x4 32 read-write n 0x0 0x0 MR0 Event Mask on line 0 0 1 MR1 Event Mask on line 1 1 1 MR10 Event Mask on line 10 10 1 MR11 Event Mask on line 11 11 1 MR12 Event Mask on line 12 12 1 MR13 Event Mask on line 13 13 1 MR14 Event Mask on line 14 14 1 MR15 Event Mask on line 15 15 1 MR16 Event Mask on line 16 16 1 MR17 Event Mask on line 17 17 1 MR18 Event Mask on line 18 18 1 MR19 Event Mask on line 19 19 1 MR2 Event Mask on line 2 2 1 MR20 Event Mask on line 20 20 1 MR21 Event Mask on line 21 21 1 MR22 Event Mask on line 22 22 1 MR3 Event Mask on line 3 3 1 MR4 Event Mask on line 4 4 1 MR5 Event Mask on line 5 5 1 MR6 Event Mask on line 6 6 1 MR7 Event Mask on line 7 7 1 MR8 Event Mask on line 8 8 1 MR9 Event Mask on line 9 9 1 FTSR FTSR Falling Trigger selection register (EXTI_FTSR) 0xC 32 read-write n 0x0 0x0 TR0 Falling trigger event configuration of line 0 0 1 TR1 Falling trigger event configuration of line 1 1 1 TR10 Falling trigger event configuration of line 10 10 1 TR11 Falling trigger event configuration of line 11 11 1 TR12 Falling trigger event configuration of line 12 12 1 TR13 Falling trigger event configuration of line 13 13 1 TR14 Falling trigger event configuration of line 14 14 1 TR15 Falling trigger event configuration of line 15 15 1 TR16 Falling trigger event configuration of line 16 16 1 TR17 Falling trigger event configuration of line 17 17 1 TR18 Falling trigger event configuration of line 18 18 1 TR19 Falling trigger event configuration of line 19 19 1 TR2 Falling trigger event configuration of line 2 2 1 TR20 Falling trigger event configuration of line 20 20 1 TR21 Falling trigger event configuration of line 21 21 1 TR22 Falling trigger event configuration of line 22 22 1 TR3 Falling trigger event configuration of line 3 3 1 TR4 Falling trigger event configuration of line 4 4 1 TR5 Falling trigger event configuration of line 5 5 1 TR6 Falling trigger event configuration of line 6 6 1 TR7 Falling trigger event configuration of line 7 7 1 TR8 Falling trigger event configuration of line 8 8 1 TR9 Falling trigger event configuration of line 9 9 1 IMR IMR Interrupt mask register (EXTI_IMR) 0x0 32 read-write n 0x0 0x0 MR0 Interrupt Mask on line 0 0 1 MR1 Interrupt Mask on line 1 1 1 MR10 Interrupt Mask on line 10 10 1 MR11 Interrupt Mask on line 11 11 1 MR12 Interrupt Mask on line 12 12 1 MR13 Interrupt Mask on line 13 13 1 MR14 Interrupt Mask on line 14 14 1 MR15 Interrupt Mask on line 15 15 1 MR16 Interrupt Mask on line 16 16 1 MR17 Interrupt Mask on line 17 17 1 MR18 Interrupt Mask on line 18 18 1 MR19 Interrupt Mask on line 19 19 1 MR2 Interrupt Mask on line 2 2 1 MR20 Interrupt Mask on line 20 20 1 MR21 Interrupt Mask on line 21 21 1 MR22 Interrupt Mask on line 22 22 1 MR3 Interrupt Mask on line 3 3 1 MR4 Interrupt Mask on line 4 4 1 MR5 Interrupt Mask on line 5 5 1 MR6 Interrupt Mask on line 6 6 1 MR7 Interrupt Mask on line 7 7 1 MR8 Interrupt Mask on line 8 8 1 MR9 Interrupt Mask on line 9 9 1 PR PR Pending register (EXTI_PR) 0x14 32 read-write n 0x0 0x0 PR0 Pending bit 0 0 1 PR1 Pending bit 1 1 1 PR10 Pending bit 10 10 1 PR11 Pending bit 11 11 1 PR12 Pending bit 12 12 1 PR13 Pending bit 13 13 1 PR14 Pending bit 14 14 1 PR15 Pending bit 15 15 1 PR16 Pending bit 16 16 1 PR17 Pending bit 17 17 1 PR18 Pending bit 18 18 1 PR19 Pending bit 19 19 1 PR2 Pending bit 2 2 1 PR20 Pending bit 20 20 1 PR21 Pending bit 21 21 1 PR22 Pending bit 22 22 1 PR3 Pending bit 3 3 1 PR4 Pending bit 4 4 1 PR5 Pending bit 5 5 1 PR6 Pending bit 6 6 1 PR7 Pending bit 7 7 1 PR8 Pending bit 8 8 1 PR9 Pending bit 9 9 1 RTSR RTSR Rising Trigger selection register (EXTI_RTSR) 0x8 32 read-write n 0x0 0x0 TR0 Rising trigger event configuration of line 0 0 1 TR1 Rising trigger event configuration of line 1 1 1 TR10 Rising trigger event configuration of line 10 10 1 TR11 Rising trigger event configuration of line 11 11 1 TR12 Rising trigger event configuration of line 12 12 1 TR13 Rising trigger event configuration of line 13 13 1 TR14 Rising trigger event configuration of line 14 14 1 TR15 Rising trigger event configuration of line 15 15 1 TR16 Rising trigger event configuration of line 16 16 1 TR17 Rising trigger event configuration of line 17 17 1 TR18 Rising trigger event configuration of line 18 18 1 TR19 Rising trigger event configuration of line 19 19 1 TR2 Rising trigger event configuration of line 2 2 1 TR20 Rising trigger event configuration of line 20 20 1 TR21 Rising trigger event configuration of line 21 21 1 TR22 Rising trigger event configuration of line 22 22 1 TR3 Rising trigger event configuration of line 3 3 1 TR4 Rising trigger event configuration of line 4 4 1 TR5 Rising trigger event configuration of line 5 5 1 TR6 Rising trigger event configuration of line 6 6 1 TR7 Rising trigger event configuration of line 7 7 1 TR8 Rising trigger event configuration of line 8 8 1 TR9 Rising trigger event configuration of line 9 9 1 SWIER SWIER Software interrupt event register (EXTI_SWIER) 0x10 32 read-write n 0x0 0x0 SWIER0 Software Interrupt on line 0 0 1 SWIER1 Software Interrupt on line 1 1 1 SWIER10 Software Interrupt on line 10 10 1 SWIER11 Software Interrupt on line 11 11 1 SWIER12 Software Interrupt on line 12 12 1 SWIER13 Software Interrupt on line 13 13 1 SWIER14 Software Interrupt on line 14 14 1 SWIER15 Software Interrupt on line 15 15 1 SWIER16 Software Interrupt on line 16 16 1 SWIER17 Software Interrupt on line 17 17 1 SWIER18 Software Interrupt on line 18 18 1 SWIER19 Software Interrupt on line 19 19 1 SWIER2 Software Interrupt on line 2 2 1 SWIER20 Software Interrupt on line 20 20 1 SWIER21 Software Interrupt on line 21 21 1 SWIER22 Software Interrupt on line 22 22 1 SWIER3 Software Interrupt on line 3 3 1 SWIER4 Software Interrupt on line 4 4 1 SWIER5 Software Interrupt on line 5 5 1 SWIER6 Software Interrupt on line 6 6 1 SWIER7 Software Interrupt on line 7 7 1 SWIER8 Software Interrupt on line 8 8 1 SWIER9 Software Interrupt on line 9 9 1 FLASH FLASH FLASH 0x0 0x0 0x400 registers n FLASH Flash global interrupt 4 ACR ACR Flash access control register 0x0 32 read-write n 0x0 0x0 DCEN Data cache enable 10 1 read-write DCRST Data cache reset 12 1 read-write ICEN Instruction cache enable 9 1 read-write ICRST Instruction cache reset 11 1 write-only LATENCY Latency 0 3 read-write PRFTEN Prefetch enable 8 1 read-write CR CR Control register 0x10 32 read-write n 0x0 0x0 EOPIE End of operation interrupt enable 24 1 ERRIE Error interrupt enable 25 1 LOCK Lock 31 1 MER Mass Erase 2 1 PG Programming 0 1 PSIZE Program size 8 2 SER Sector Erase 1 1 SNB Sector number 3 4 STRT Start 16 1 KEYR KEYR Flash key register 0x4 32 write-only n 0x0 0x0 KEY FPEC key 0 32 OPTCR OPTCR Flash option control register 0x14 32 read-write n 0x0 0x0 BOR_LEV BOR reset Level 2 2 nRST_STDBY nRST_STDBY User option bytes 7 1 nRST_STOP nRST_STOP User option bytes 6 1 nWRP Not write protect 16 12 OPTLOCK Option lock 0 1 OPTSTRT Option start 1 1 RDP Read protect 8 8 WDG_SW WDG_SW User option bytes 5 1 OPTKEYR OPTKEYR Flash option key register 0x8 32 write-only n 0x0 0x0 OPTKEY Option byte key 0 32 SR SR Status register 0xC 32 read-write n 0x0 0x0 BSY Busy 16 1 read-only EOP End of operation 0 1 read-write OPERR Operation error 1 1 read-write PGAERR Programming alignment error 5 1 read-write PGPERR Programming parallelism error 6 1 read-write PGSERR Programming sequence error 7 1 read-write WRPERR Write protection error 4 1 read-write FPU Floting point unit FPU 0x0 0x0 0xD registers n FPU Floating point interrupt 81 FPU Floating point interrupt 81 FPCAR FPCAR Floating-point context address register 0x4 32 read-write n 0x0 0x0 ADDRESS Location of unpopulated floating-point 3 29 FPCCR FPCCR Floating-point context control register 0x0 32 read-write n 0x0 0x0 ASPEN ASPEN 31 1 BFRDY BFRDY 6 1 HFRDY HFRDY 4 1 LSPACT LSPACT 0 1 LSPEN LSPEN 30 1 MMRDY MMRDY 5 1 MONRDY MONRDY 8 1 THREAD THREAD 3 1 USER USER 1 1 FPSCR FPSCR Floating-point status control register 0x8 32 read-write n 0x0 0x0 AHP Alternative half-precision control bit 26 1 C Carry condition code flag 29 1 DN Default NaN mode control bit 25 1 DZC Division by zero cumulative exception bit. 1 1 FZ Flush-to-zero mode control bit: 24 1 IDC Input denormal cumulative exception bit. 7 1 IOC Invalid operation cumulative exception bit 0 1 IXC Inexact cumulative exception bit 4 1 N Negative condition code flag 31 1 OFC Overflow cumulative exception bit 2 1 RMode Rounding Mode control field 22 2 UFC Underflow cumulative exception bit 3 1 V Overflow condition code flag 28 1 Z Zero condition code flag 30 1 FPU_CPACR Floating point unit CPACR FPU 0x0 0x0 0x5 registers n CPACR CPACR Coprocessor access control register 0x0 32 read-write n 0x0 0x0 CP CP 20 4 GPIOA General-purpose I/Os GPIO 0x0 0x0 0x400 registers n TIM2 TIM2 global interrupt 28 AFRH AFRH GPIO alternate function high register 0x24 32 read-write n 0x0 0x0 AFRH10 Alternate function selection for port x bit y (y = 8..15) 8 4 AFRH11 Alternate function selection for port x bit y (y = 8..15) 12 4 AFRH12 Alternate function selection for port x bit y (y = 8..15) 16 4 AFRH13 Alternate function selection for port x bit y (y = 8..15) 20 4 AFRH14 Alternate function selection for port x bit y (y = 8..15) 24 4 AFRH15 Alternate function selection for port x bit y (y = 8..15) 28 4 AFRH8 Alternate function selection for port x bit y (y = 8..15) 0 4 AFRH9 Alternate function selection for port x bit y (y = 8..15) 4 4 AFRL AFRL GPIO alternate function low register 0x20 32 read-write n 0x0 0x0 AFRL0 Alternate function selection for port x bit y (y = 0..7) 0 4 AFRL1 Alternate function selection for port x bit y (y = 0..7) 4 4 AFRL2 Alternate function selection for port x bit y (y = 0..7) 8 4 AFRL3 Alternate function selection for port x bit y (y = 0..7) 12 4 AFRL4 Alternate function selection for port x bit y (y = 0..7) 16 4 AFRL5 Alternate function selection for port x bit y (y = 0..7) 20 4 AFRL6 Alternate function selection for port x bit y (y = 0..7) 24 4 AFRL7 Alternate function selection for port x bit y (y = 0..7) 28 4 BSRR BSRR GPIO port bit set/reset register 0x18 32 write-only n 0x0 0x0 BR0 Port x set bit y (y= 0..15) 16 1 BR1 Port x reset bit y (y = 0..15) 17 1 BR10 Port x reset bit y (y = 0..15) 26 1 BR11 Port x reset bit y (y = 0..15) 27 1 BR12 Port x reset bit y (y = 0..15) 28 1 BR13 Port x reset bit y (y = 0..15) 29 1 BR14 Port x reset bit y (y = 0..15) 30 1 BR15 Port x reset bit y (y = 0..15) 31 1 BR2 Port x reset bit y (y = 0..15) 18 1 BR3 Port x reset bit y (y = 0..15) 19 1 BR4 Port x reset bit y (y = 0..15) 20 1 BR5 Port x reset bit y (y = 0..15) 21 1 BR6 Port x reset bit y (y = 0..15) 22 1 BR7 Port x reset bit y (y = 0..15) 23 1 BR8 Port x reset bit y (y = 0..15) 24 1 BR9 Port x reset bit y (y = 0..15) 25 1 BS0 Port x set bit y (y= 0..15) 0 1 BS1 Port x set bit y (y= 0..15) 1 1 BS10 Port x set bit y (y= 0..15) 10 1 BS11 Port x set bit y (y= 0..15) 11 1 BS12 Port x set bit y (y= 0..15) 12 1 BS13 Port x set bit y (y= 0..15) 13 1 BS14 Port x set bit y (y= 0..15) 14 1 BS15 Port x set bit y (y= 0..15) 15 1 BS2 Port x set bit y (y= 0..15) 2 1 BS3 Port x set bit y (y= 0..15) 3 1 BS4 Port x set bit y (y= 0..15) 4 1 BS5 Port x set bit y (y= 0..15) 5 1 BS6 Port x set bit y (y= 0..15) 6 1 BS7 Port x set bit y (y= 0..15) 7 1 BS8 Port x set bit y (y= 0..15) 8 1 BS9 Port x set bit y (y= 0..15) 9 1 IDR IDR GPIO port input data register 0x10 32 read-only n 0x0 0x0 IDR0 Port input data (y = 0..15) 0 1 IDR1 Port input data (y = 0..15) 1 1 IDR10 Port input data (y = 0..15) 10 1 IDR11 Port input data (y = 0..15) 11 1 IDR12 Port input data (y = 0..15) 12 1 IDR13 Port input data (y = 0..15) 13 1 IDR14 Port input data (y = 0..15) 14 1 IDR15 Port input data (y = 0..15) 15 1 IDR2 Port input data (y = 0..15) 2 1 IDR3 Port input data (y = 0..15) 3 1 IDR4 Port input data (y = 0..15) 4 1 IDR5 Port input data (y = 0..15) 5 1 IDR6 Port input data (y = 0..15) 6 1 IDR7 Port input data (y = 0..15) 7 1 IDR8 Port input data (y = 0..15) 8 1 IDR9 Port input data (y = 0..15) 9 1 LCKR LCKR GPIO port configuration lock register 0x1C 32 read-write n 0x0 0x0 LCK0 Port x lock bit y (y= 0..15) 0 1 LCK1 Port x lock bit y (y= 0..15) 1 1 LCK10 Port x lock bit y (y= 0..15) 10 1 LCK11 Port x lock bit y (y= 0..15) 11 1 LCK12 Port x lock bit y (y= 0..15) 12 1 LCK13 Port x lock bit y (y= 0..15) 13 1 LCK14 Port x lock bit y (y= 0..15) 14 1 LCK15 Port x lock bit y (y= 0..15) 15 1 LCK2 Port x lock bit y (y= 0..15) 2 1 LCK3 Port x lock bit y (y= 0..15) 3 1 LCK4 Port x lock bit y (y= 0..15) 4 1 LCK5 Port x lock bit y (y= 0..15) 5 1 LCK6 Port x lock bit y (y= 0..15) 6 1 LCK7 Port x lock bit y (y= 0..15) 7 1 LCK8 Port x lock bit y (y= 0..15) 8 1 LCK9 Port x lock bit y (y= 0..15) 9 1 LCKK Port x lock bit y (y= 0..15) 16 1 MODER MODER GPIO port mode register 0x0 32 read-write n 0x0 0x0 MODER0 Port x configuration bits (y = 0..15) 0 2 MODER1 Port x configuration bits (y = 0..15) 2 2 MODER10 Port x configuration bits (y = 0..15) 20 2 MODER11 Port x configuration bits (y = 0..15) 22 2 MODER12 Port x configuration bits (y = 0..15) 24 2 MODER13 Port x configuration bits (y = 0..15) 26 2 MODER14 Port x configuration bits (y = 0..15) 28 2 MODER15 Port x configuration bits (y = 0..15) 30 2 MODER2 Port x configuration bits (y = 0..15) 4 2 MODER3 Port x configuration bits (y = 0..15) 6 2 MODER4 Port x configuration bits (y = 0..15) 8 2 MODER5 Port x configuration bits (y = 0..15) 10 2 MODER6 Port x configuration bits (y = 0..15) 12 2 MODER7 Port x configuration bits (y = 0..15) 14 2 MODER8 Port x configuration bits (y = 0..15) 16 2 MODER9 Port x configuration bits (y = 0..15) 18 2 ODR ODR GPIO port output data register 0x14 32 read-write n 0x0 0x0 ODR0 Port output data (y = 0..15) 0 1 ODR1 Port output data (y = 0..15) 1 1 ODR10 Port output data (y = 0..15) 10 1 ODR11 Port output data (y = 0..15) 11 1 ODR12 Port output data (y = 0..15) 12 1 ODR13 Port output data (y = 0..15) 13 1 ODR14 Port output data (y = 0..15) 14 1 ODR15 Port output data (y = 0..15) 15 1 ODR2 Port output data (y = 0..15) 2 1 ODR3 Port output data (y = 0..15) 3 1 ODR4 Port output data (y = 0..15) 4 1 ODR5 Port output data (y = 0..15) 5 1 ODR6 Port output data (y = 0..15) 6 1 ODR7 Port output data (y = 0..15) 7 1 ODR8 Port output data (y = 0..15) 8 1 ODR9 Port output data (y = 0..15) 9 1 OSPEEDR OSPEEDR GPIO port output speed register 0x8 32 read-write n 0x0 0x0 OSPEEDR0 Port x configuration bits (y = 0..15) 0 2 OSPEEDR1 Port x configuration bits (y = 0..15) 2 2 OSPEEDR10 Port x configuration bits (y = 0..15) 20 2 OSPEEDR11 Port x configuration bits (y = 0..15) 22 2 OSPEEDR12 Port x configuration bits (y = 0..15) 24 2 OSPEEDR13 Port x configuration bits (y = 0..15) 26 2 OSPEEDR14 Port x configuration bits (y = 0..15) 28 2 OSPEEDR15 Port x configuration bits (y = 0..15) 30 2 OSPEEDR2 Port x configuration bits (y = 0..15) 4 2 OSPEEDR3 Port x configuration bits (y = 0..15) 6 2 OSPEEDR4 Port x configuration bits (y = 0..15) 8 2 OSPEEDR5 Port x configuration bits (y = 0..15) 10 2 OSPEEDR6 Port x configuration bits (y = 0..15) 12 2 OSPEEDR7 Port x configuration bits (y = 0..15) 14 2 OSPEEDR8 Port x configuration bits (y = 0..15) 16 2 OSPEEDR9 Port x configuration bits (y = 0..15) 18 2 OTYPER OTYPER GPIO port output type register 0x4 32 read-write n 0x0 0x0 OT0 Port x configuration bits (y = 0..15) 0 1 OT1 Port x configuration bits (y = 0..15) 1 1 OT10 Port x configuration bits (y = 0..15) 10 1 OT11 Port x configuration bits (y = 0..15) 11 1 OT12 Port x configuration bits (y = 0..15) 12 1 OT13 Port x configuration bits (y = 0..15) 13 1 OT14 Port x configuration bits (y = 0..15) 14 1 OT15 Port x configuration bits (y = 0..15) 15 1 OT2 Port x configuration bits (y = 0..15) 2 1 OT3 Port x configuration bits (y = 0..15) 3 1 OT4 Port x configuration bits (y = 0..15) 4 1 OT5 Port x configuration bits (y = 0..15) 5 1 OT6 Port x configuration bits (y = 0..15) 6 1 OT7 Port x configuration bits (y = 0..15) 7 1 OT8 Port x configuration bits (y = 0..15) 8 1 OT9 Port x configuration bits (y = 0..15) 9 1 PUPDR PUPDR GPIO port pull-up/pull-down register 0xC 32 read-write n 0x0 0x0 PUPDR0 Port x configuration bits (y = 0..15) 0 2 PUPDR1 Port x configuration bits (y = 0..15) 2 2 PUPDR10 Port x configuration bits (y = 0..15) 20 2 PUPDR11 Port x configuration bits (y = 0..15) 22 2 PUPDR12 Port x configuration bits (y = 0..15) 24 2 PUPDR13 Port x configuration bits (y = 0..15) 26 2 PUPDR14 Port x configuration bits (y = 0..15) 28 2 PUPDR15 Port x configuration bits (y = 0..15) 30 2 PUPDR2 Port x configuration bits (y = 0..15) 4 2 PUPDR3 Port x configuration bits (y = 0..15) 6 2 PUPDR4 Port x configuration bits (y = 0..15) 8 2 PUPDR5 Port x configuration bits (y = 0..15) 10 2 PUPDR6 Port x configuration bits (y = 0..15) 12 2 PUPDR7 Port x configuration bits (y = 0..15) 14 2 PUPDR8 Port x configuration bits (y = 0..15) 16 2 PUPDR9 Port x configuration bits (y = 0..15) 18 2 GPIOB General-purpose I/Os GPIO 0x0 0x0 0x400 registers n TIM1_TRG_COM_TIM11 TIM1 Trigger and Commutation interrupts and TIM11 global interrupt 26 AFRH AFRH GPIO alternate function high register 0x24 32 read-write n 0x0 0x0 AFRH10 Alternate function selection for port x bit y (y = 8..15) 8 4 AFRH11 Alternate function selection for port x bit y (y = 8..15) 12 4 AFRH12 Alternate function selection for port x bit y (y = 8..15) 16 4 AFRH13 Alternate function selection for port x bit y (y = 8..15) 20 4 AFRH14 Alternate function selection for port x bit y (y = 8..15) 24 4 AFRH15 Alternate function selection for port x bit y (y = 8..15) 28 4 AFRH8 Alternate function selection for port x bit y (y = 8..15) 0 4 AFRH9 Alternate function selection for port x bit y (y = 8..15) 4 4 AFRL AFRL GPIO alternate function low register 0x20 32 read-write n 0x0 0x0 AFRL0 Alternate function selection for port x bit y (y = 0..7) 0 4 AFRL1 Alternate function selection for port x bit y (y = 0..7) 4 4 AFRL2 Alternate function selection for port x bit y (y = 0..7) 8 4 AFRL3 Alternate function selection for port x bit y (y = 0..7) 12 4 AFRL4 Alternate function selection for port x bit y (y = 0..7) 16 4 AFRL5 Alternate function selection for port x bit y (y = 0..7) 20 4 AFRL6 Alternate function selection for port x bit y (y = 0..7) 24 4 AFRL7 Alternate function selection for port x bit y (y = 0..7) 28 4 BSRR BSRR GPIO port bit set/reset register 0x18 32 write-only n 0x0 0x0 BR0 Port x set bit y (y= 0..15) 16 1 BR1 Port x reset bit y (y = 0..15) 17 1 BR10 Port x reset bit y (y = 0..15) 26 1 BR11 Port x reset bit y (y = 0..15) 27 1 BR12 Port x reset bit y (y = 0..15) 28 1 BR13 Port x reset bit y (y = 0..15) 29 1 BR14 Port x reset bit y (y = 0..15) 30 1 BR15 Port x reset bit y (y = 0..15) 31 1 BR2 Port x reset bit y (y = 0..15) 18 1 BR3 Port x reset bit y (y = 0..15) 19 1 BR4 Port x reset bit y (y = 0..15) 20 1 BR5 Port x reset bit y (y = 0..15) 21 1 BR6 Port x reset bit y (y = 0..15) 22 1 BR7 Port x reset bit y (y = 0..15) 23 1 BR8 Port x reset bit y (y = 0..15) 24 1 BR9 Port x reset bit y (y = 0..15) 25 1 BS0 Port x set bit y (y= 0..15) 0 1 BS1 Port x set bit y (y= 0..15) 1 1 BS10 Port x set bit y (y= 0..15) 10 1 BS11 Port x set bit y (y= 0..15) 11 1 BS12 Port x set bit y (y= 0..15) 12 1 BS13 Port x set bit y (y= 0..15) 13 1 BS14 Port x set bit y (y= 0..15) 14 1 BS15 Port x set bit y (y= 0..15) 15 1 BS2 Port x set bit y (y= 0..15) 2 1 BS3 Port x set bit y (y= 0..15) 3 1 BS4 Port x set bit y (y= 0..15) 4 1 BS5 Port x set bit y (y= 0..15) 5 1 BS6 Port x set bit y (y= 0..15) 6 1 BS7 Port x set bit y (y= 0..15) 7 1 BS8 Port x set bit y (y= 0..15) 8 1 BS9 Port x set bit y (y= 0..15) 9 1 IDR IDR GPIO port input data register 0x10 32 read-only n 0x0 0x0 IDR0 Port input data (y = 0..15) 0 1 IDR1 Port input data (y = 0..15) 1 1 IDR10 Port input data (y = 0..15) 10 1 IDR11 Port input data (y = 0..15) 11 1 IDR12 Port input data (y = 0..15) 12 1 IDR13 Port input data (y = 0..15) 13 1 IDR14 Port input data (y = 0..15) 14 1 IDR15 Port input data (y = 0..15) 15 1 IDR2 Port input data (y = 0..15) 2 1 IDR3 Port input data (y = 0..15) 3 1 IDR4 Port input data (y = 0..15) 4 1 IDR5 Port input data (y = 0..15) 5 1 IDR6 Port input data (y = 0..15) 6 1 IDR7 Port input data (y = 0..15) 7 1 IDR8 Port input data (y = 0..15) 8 1 IDR9 Port input data (y = 0..15) 9 1 LCKR LCKR GPIO port configuration lock register 0x1C 32 read-write n 0x0 0x0 LCK0 Port x lock bit y (y= 0..15) 0 1 LCK1 Port x lock bit y (y= 0..15) 1 1 LCK10 Port x lock bit y (y= 0..15) 10 1 LCK11 Port x lock bit y (y= 0..15) 11 1 LCK12 Port x lock bit y (y= 0..15) 12 1 LCK13 Port x lock bit y (y= 0..15) 13 1 LCK14 Port x lock bit y (y= 0..15) 14 1 LCK15 Port x lock bit y (y= 0..15) 15 1 LCK2 Port x lock bit y (y= 0..15) 2 1 LCK3 Port x lock bit y (y= 0..15) 3 1 LCK4 Port x lock bit y (y= 0..15) 4 1 LCK5 Port x lock bit y (y= 0..15) 5 1 LCK6 Port x lock bit y (y= 0..15) 6 1 LCK7 Port x lock bit y (y= 0..15) 7 1 LCK8 Port x lock bit y (y= 0..15) 8 1 LCK9 Port x lock bit y (y= 0..15) 9 1 LCKK Port x lock bit y (y= 0..15) 16 1 MODER MODER GPIO port mode register 0x0 32 read-write n 0x0 0x0 MODER0 Port x configuration bits (y = 0..15) 0 2 MODER1 Port x configuration bits (y = 0..15) 2 2 MODER10 Port x configuration bits (y = 0..15) 20 2 MODER11 Port x configuration bits (y = 0..15) 22 2 MODER12 Port x configuration bits (y = 0..15) 24 2 MODER13 Port x configuration bits (y = 0..15) 26 2 MODER14 Port x configuration bits (y = 0..15) 28 2 MODER15 Port x configuration bits (y = 0..15) 30 2 MODER2 Port x configuration bits (y = 0..15) 4 2 MODER3 Port x configuration bits (y = 0..15) 6 2 MODER4 Port x configuration bits (y = 0..15) 8 2 MODER5 Port x configuration bits (y = 0..15) 10 2 MODER6 Port x configuration bits (y = 0..15) 12 2 MODER7 Port x configuration bits (y = 0..15) 14 2 MODER8 Port x configuration bits (y = 0..15) 16 2 MODER9 Port x configuration bits (y = 0..15) 18 2 ODR ODR GPIO port output data register 0x14 32 read-write n 0x0 0x0 ODR0 Port output data (y = 0..15) 0 1 ODR1 Port output data (y = 0..15) 1 1 ODR10 Port output data (y = 0..15) 10 1 ODR11 Port output data (y = 0..15) 11 1 ODR12 Port output data (y = 0..15) 12 1 ODR13 Port output data (y = 0..15) 13 1 ODR14 Port output data (y = 0..15) 14 1 ODR15 Port output data (y = 0..15) 15 1 ODR2 Port output data (y = 0..15) 2 1 ODR3 Port output data (y = 0..15) 3 1 ODR4 Port output data (y = 0..15) 4 1 ODR5 Port output data (y = 0..15) 5 1 ODR6 Port output data (y = 0..15) 6 1 ODR7 Port output data (y = 0..15) 7 1 ODR8 Port output data (y = 0..15) 8 1 ODR9 Port output data (y = 0..15) 9 1 OSPEEDR OSPEEDR GPIO port output speed register 0x8 32 read-write n 0x0 0x0 OSPEEDR0 Port x configuration bits (y = 0..15) 0 2 OSPEEDR1 Port x configuration bits (y = 0..15) 2 2 OSPEEDR10 Port x configuration bits (y = 0..15) 20 2 OSPEEDR11 Port x configuration bits (y = 0..15) 22 2 OSPEEDR12 Port x configuration bits (y = 0..15) 24 2 OSPEEDR13 Port x configuration bits (y = 0..15) 26 2 OSPEEDR14 Port x configuration bits (y = 0..15) 28 2 OSPEEDR15 Port x configuration bits (y = 0..15) 30 2 OSPEEDR2 Port x configuration bits (y = 0..15) 4 2 OSPEEDR3 Port x configuration bits (y = 0..15) 6 2 OSPEEDR4 Port x configuration bits (y = 0..15) 8 2 OSPEEDR5 Port x configuration bits (y = 0..15) 10 2 OSPEEDR6 Port x configuration bits (y = 0..15) 12 2 OSPEEDR7 Port x configuration bits (y = 0..15) 14 2 OSPEEDR8 Port x configuration bits (y = 0..15) 16 2 OSPEEDR9 Port x configuration bits (y = 0..15) 18 2 OTYPER OTYPER GPIO port output type register 0x4 32 read-write n 0x0 0x0 OT0 Port x configuration bits (y = 0..15) 0 1 OT1 Port x configuration bits (y = 0..15) 1 1 OT10 Port x configuration bits (y = 0..15) 10 1 OT11 Port x configuration bits (y = 0..15) 11 1 OT12 Port x configuration bits (y = 0..15) 12 1 OT13 Port x configuration bits (y = 0..15) 13 1 OT14 Port x configuration bits (y = 0..15) 14 1 OT15 Port x configuration bits (y = 0..15) 15 1 OT2 Port x configuration bits (y = 0..15) 2 1 OT3 Port x configuration bits (y = 0..15) 3 1 OT4 Port x configuration bits (y = 0..15) 4 1 OT5 Port x configuration bits (y = 0..15) 5 1 OT6 Port x configuration bits (y = 0..15) 6 1 OT7 Port x configuration bits (y = 0..15) 7 1 OT8 Port x configuration bits (y = 0..15) 8 1 OT9 Port x configuration bits (y = 0..15) 9 1 PUPDR PUPDR GPIO port pull-up/pull-down register 0xC 32 read-write n 0x0 0x0 PUPDR0 Port x configuration bits (y = 0..15) 0 2 PUPDR1 Port x configuration bits (y = 0..15) 2 2 PUPDR10 Port x configuration bits (y = 0..15) 20 2 PUPDR11 Port x configuration bits (y = 0..15) 22 2 PUPDR12 Port x configuration bits (y = 0..15) 24 2 PUPDR13 Port x configuration bits (y = 0..15) 26 2 PUPDR14 Port x configuration bits (y = 0..15) 28 2 PUPDR15 Port x configuration bits (y = 0..15) 30 2 PUPDR2 Port x configuration bits (y = 0..15) 4 2 PUPDR3 Port x configuration bits (y = 0..15) 6 2 PUPDR4 Port x configuration bits (y = 0..15) 8 2 PUPDR5 Port x configuration bits (y = 0..15) 10 2 PUPDR6 Port x configuration bits (y = 0..15) 12 2 PUPDR7 Port x configuration bits (y = 0..15) 14 2 PUPDR8 Port x configuration bits (y = 0..15) 16 2 PUPDR9 Port x configuration bits (y = 0..15) 18 2 GPIOC General-purpose I/Os GPIO 0x0 0x0 0x400 registers n TIM1_UP_TIM10 TIM1 Update interrupt and TIM10 global interrupt 25 AFRH AFRH GPIO alternate function high register 0x24 32 read-write n 0x0 0x0 AFRH10 Alternate function selection for port x bit y (y = 8..15) 8 4 AFRH11 Alternate function selection for port x bit y (y = 8..15) 12 4 AFRH12 Alternate function selection for port x bit y (y = 8..15) 16 4 AFRH13 Alternate function selection for port x bit y (y = 8..15) 20 4 AFRH14 Alternate function selection for port x bit y (y = 8..15) 24 4 AFRH15 Alternate function selection for port x bit y (y = 8..15) 28 4 AFRH8 Alternate function selection for port x bit y (y = 8..15) 0 4 AFRH9 Alternate function selection for port x bit y (y = 8..15) 4 4 AFRL AFRL GPIO alternate function low register 0x20 32 read-write n 0x0 0x0 AFRL0 Alternate function selection for port x bit y (y = 0..7) 0 4 AFRL1 Alternate function selection for port x bit y (y = 0..7) 4 4 AFRL2 Alternate function selection for port x bit y (y = 0..7) 8 4 AFRL3 Alternate function selection for port x bit y (y = 0..7) 12 4 AFRL4 Alternate function selection for port x bit y (y = 0..7) 16 4 AFRL5 Alternate function selection for port x bit y (y = 0..7) 20 4 AFRL6 Alternate function selection for port x bit y (y = 0..7) 24 4 AFRL7 Alternate function selection for port x bit y (y = 0..7) 28 4 BSRR BSRR GPIO port bit set/reset register 0x18 32 write-only n 0x0 0x0 BR0 Port x set bit y (y= 0..15) 16 1 BR1 Port x reset bit y (y = 0..15) 17 1 BR10 Port x reset bit y (y = 0..15) 26 1 BR11 Port x reset bit y (y = 0..15) 27 1 BR12 Port x reset bit y (y = 0..15) 28 1 BR13 Port x reset bit y (y = 0..15) 29 1 BR14 Port x reset bit y (y = 0..15) 30 1 BR15 Port x reset bit y (y = 0..15) 31 1 BR2 Port x reset bit y (y = 0..15) 18 1 BR3 Port x reset bit y (y = 0..15) 19 1 BR4 Port x reset bit y (y = 0..15) 20 1 BR5 Port x reset bit y (y = 0..15) 21 1 BR6 Port x reset bit y (y = 0..15) 22 1 BR7 Port x reset bit y (y = 0..15) 23 1 BR8 Port x reset bit y (y = 0..15) 24 1 BR9 Port x reset bit y (y = 0..15) 25 1 BS0 Port x set bit y (y= 0..15) 0 1 BS1 Port x set bit y (y= 0..15) 1 1 BS10 Port x set bit y (y= 0..15) 10 1 BS11 Port x set bit y (y= 0..15) 11 1 BS12 Port x set bit y (y= 0..15) 12 1 BS13 Port x set bit y (y= 0..15) 13 1 BS14 Port x set bit y (y= 0..15) 14 1 BS15 Port x set bit y (y= 0..15) 15 1 BS2 Port x set bit y (y= 0..15) 2 1 BS3 Port x set bit y (y= 0..15) 3 1 BS4 Port x set bit y (y= 0..15) 4 1 BS5 Port x set bit y (y= 0..15) 5 1 BS6 Port x set bit y (y= 0..15) 6 1 BS7 Port x set bit y (y= 0..15) 7 1 BS8 Port x set bit y (y= 0..15) 8 1 BS9 Port x set bit y (y= 0..15) 9 1 IDR IDR GPIO port input data register 0x10 32 read-only n 0x0 0x0 IDR0 Port input data (y = 0..15) 0 1 IDR1 Port input data (y = 0..15) 1 1 IDR10 Port input data (y = 0..15) 10 1 IDR11 Port input data (y = 0..15) 11 1 IDR12 Port input data (y = 0..15) 12 1 IDR13 Port input data (y = 0..15) 13 1 IDR14 Port input data (y = 0..15) 14 1 IDR15 Port input data (y = 0..15) 15 1 IDR2 Port input data (y = 0..15) 2 1 IDR3 Port input data (y = 0..15) 3 1 IDR4 Port input data (y = 0..15) 4 1 IDR5 Port input data (y = 0..15) 5 1 IDR6 Port input data (y = 0..15) 6 1 IDR7 Port input data (y = 0..15) 7 1 IDR8 Port input data (y = 0..15) 8 1 IDR9 Port input data (y = 0..15) 9 1 LCKR LCKR GPIO port configuration lock register 0x1C 32 read-write n 0x0 0x0 LCK0 Port x lock bit y (y= 0..15) 0 1 LCK1 Port x lock bit y (y= 0..15) 1 1 LCK10 Port x lock bit y (y= 0..15) 10 1 LCK11 Port x lock bit y (y= 0..15) 11 1 LCK12 Port x lock bit y (y= 0..15) 12 1 LCK13 Port x lock bit y (y= 0..15) 13 1 LCK14 Port x lock bit y (y= 0..15) 14 1 LCK15 Port x lock bit y (y= 0..15) 15 1 LCK2 Port x lock bit y (y= 0..15) 2 1 LCK3 Port x lock bit y (y= 0..15) 3 1 LCK4 Port x lock bit y (y= 0..15) 4 1 LCK5 Port x lock bit y (y= 0..15) 5 1 LCK6 Port x lock bit y (y= 0..15) 6 1 LCK7 Port x lock bit y (y= 0..15) 7 1 LCK8 Port x lock bit y (y= 0..15) 8 1 LCK9 Port x lock bit y (y= 0..15) 9 1 LCKK Port x lock bit y (y= 0..15) 16 1 MODER MODER GPIO port mode register 0x0 32 read-write n 0x0 0x0 MODER0 Port x configuration bits (y = 0..15) 0 2 MODER1 Port x configuration bits (y = 0..15) 2 2 MODER10 Port x configuration bits (y = 0..15) 20 2 MODER11 Port x configuration bits (y = 0..15) 22 2 MODER12 Port x configuration bits (y = 0..15) 24 2 MODER13 Port x configuration bits (y = 0..15) 26 2 MODER14 Port x configuration bits (y = 0..15) 28 2 MODER15 Port x configuration bits (y = 0..15) 30 2 MODER2 Port x configuration bits (y = 0..15) 4 2 MODER3 Port x configuration bits (y = 0..15) 6 2 MODER4 Port x configuration bits (y = 0..15) 8 2 MODER5 Port x configuration bits (y = 0..15) 10 2 MODER6 Port x configuration bits (y = 0..15) 12 2 MODER7 Port x configuration bits (y = 0..15) 14 2 MODER8 Port x configuration bits (y = 0..15) 16 2 MODER9 Port x configuration bits (y = 0..15) 18 2 ODR ODR GPIO port output data register 0x14 32 read-write n 0x0 0x0 ODR0 Port output data (y = 0..15) 0 1 ODR1 Port output data (y = 0..15) 1 1 ODR10 Port output data (y = 0..15) 10 1 ODR11 Port output data (y = 0..15) 11 1 ODR12 Port output data (y = 0..15) 12 1 ODR13 Port output data (y = 0..15) 13 1 ODR14 Port output data (y = 0..15) 14 1 ODR15 Port output data (y = 0..15) 15 1 ODR2 Port output data (y = 0..15) 2 1 ODR3 Port output data (y = 0..15) 3 1 ODR4 Port output data (y = 0..15) 4 1 ODR5 Port output data (y = 0..15) 5 1 ODR6 Port output data (y = 0..15) 6 1 ODR7 Port output data (y = 0..15) 7 1 ODR8 Port output data (y = 0..15) 8 1 ODR9 Port output data (y = 0..15) 9 1 OSPEEDR OSPEEDR GPIO port output speed register 0x8 32 read-write n 0x0 0x0 OSPEEDR0 Port x configuration bits (y = 0..15) 0 2 OSPEEDR1 Port x configuration bits (y = 0..15) 2 2 OSPEEDR10 Port x configuration bits (y = 0..15) 20 2 OSPEEDR11 Port x configuration bits (y = 0..15) 22 2 OSPEEDR12 Port x configuration bits (y = 0..15) 24 2 OSPEEDR13 Port x configuration bits (y = 0..15) 26 2 OSPEEDR14 Port x configuration bits (y = 0..15) 28 2 OSPEEDR15 Port x configuration bits (y = 0..15) 30 2 OSPEEDR2 Port x configuration bits (y = 0..15) 4 2 OSPEEDR3 Port x configuration bits (y = 0..15) 6 2 OSPEEDR4 Port x configuration bits (y = 0..15) 8 2 OSPEEDR5 Port x configuration bits (y = 0..15) 10 2 OSPEEDR6 Port x configuration bits (y = 0..15) 12 2 OSPEEDR7 Port x configuration bits (y = 0..15) 14 2 OSPEEDR8 Port x configuration bits (y = 0..15) 16 2 OSPEEDR9 Port x configuration bits (y = 0..15) 18 2 OTYPER OTYPER GPIO port output type register 0x4 32 read-write n 0x0 0x0 OT0 Port x configuration bits (y = 0..15) 0 1 OT1 Port x configuration bits (y = 0..15) 1 1 OT10 Port x configuration bits (y = 0..15) 10 1 OT11 Port x configuration bits (y = 0..15) 11 1 OT12 Port x configuration bits (y = 0..15) 12 1 OT13 Port x configuration bits (y = 0..15) 13 1 OT14 Port x configuration bits (y = 0..15) 14 1 OT15 Port x configuration bits (y = 0..15) 15 1 OT2 Port x configuration bits (y = 0..15) 2 1 OT3 Port x configuration bits (y = 0..15) 3 1 OT4 Port x configuration bits (y = 0..15) 4 1 OT5 Port x configuration bits (y = 0..15) 5 1 OT6 Port x configuration bits (y = 0..15) 6 1 OT7 Port x configuration bits (y = 0..15) 7 1 OT8 Port x configuration bits (y = 0..15) 8 1 OT9 Port x configuration bits (y = 0..15) 9 1 PUPDR PUPDR GPIO port pull-up/pull-down register 0xC 32 read-write n 0x0 0x0 PUPDR0 Port x configuration bits (y = 0..15) 0 2 PUPDR1 Port x configuration bits (y = 0..15) 2 2 PUPDR10 Port x configuration bits (y = 0..15) 20 2 PUPDR11 Port x configuration bits (y = 0..15) 22 2 PUPDR12 Port x configuration bits (y = 0..15) 24 2 PUPDR13 Port x configuration bits (y = 0..15) 26 2 PUPDR14 Port x configuration bits (y = 0..15) 28 2 PUPDR15 Port x configuration bits (y = 0..15) 30 2 PUPDR2 Port x configuration bits (y = 0..15) 4 2 PUPDR3 Port x configuration bits (y = 0..15) 6 2 PUPDR4 Port x configuration bits (y = 0..15) 8 2 PUPDR5 Port x configuration bits (y = 0..15) 10 2 PUPDR6 Port x configuration bits (y = 0..15) 12 2 PUPDR7 Port x configuration bits (y = 0..15) 14 2 PUPDR8 Port x configuration bits (y = 0..15) 16 2 PUPDR9 Port x configuration bits (y = 0..15) 18 2 GPIOD General-purpose I/Os GPIO 0x0 0x0 0x400 registers n TIM1_BRK_TIM9 TIM1 Break interrupt and TIM9 global interrupt 24 TIM1_UP_TIM10 TIM1 Update interrupt and TIM10 global interrupt 25 TIM1_TRG_COM_TIM11 TIM1 Trigger and Commutation interrupts and TIM11 global interrupt 26 TIM1_CC TIM1 Capture Compare interrupt 27 AFRH AFRH GPIO alternate function high register 0x24 32 read-write n 0x0 0x0 AFRH10 Alternate function selection for port x bit y (y = 8..15) 8 4 AFRH11 Alternate function selection for port x bit y (y = 8..15) 12 4 AFRH12 Alternate function selection for port x bit y (y = 8..15) 16 4 AFRH13 Alternate function selection for port x bit y (y = 8..15) 20 4 AFRH14 Alternate function selection for port x bit y (y = 8..15) 24 4 AFRH15 Alternate function selection for port x bit y (y = 8..15) 28 4 AFRH8 Alternate function selection for port x bit y (y = 8..15) 0 4 AFRH9 Alternate function selection for port x bit y (y = 8..15) 4 4 AFRL AFRL GPIO alternate function low register 0x20 32 read-write n 0x0 0x0 AFRL0 Alternate function selection for port x bit y (y = 0..7) 0 4 AFRL1 Alternate function selection for port x bit y (y = 0..7) 4 4 AFRL2 Alternate function selection for port x bit y (y = 0..7) 8 4 AFRL3 Alternate function selection for port x bit y (y = 0..7) 12 4 AFRL4 Alternate function selection for port x bit y (y = 0..7) 16 4 AFRL5 Alternate function selection for port x bit y (y = 0..7) 20 4 AFRL6 Alternate function selection for port x bit y (y = 0..7) 24 4 AFRL7 Alternate function selection for port x bit y (y = 0..7) 28 4 BSRR BSRR GPIO port bit set/reset register 0x18 32 write-only n 0x0 0x0 BR0 Port x set bit y (y= 0..15) 16 1 BR1 Port x reset bit y (y = 0..15) 17 1 BR10 Port x reset bit y (y = 0..15) 26 1 BR11 Port x reset bit y (y = 0..15) 27 1 BR12 Port x reset bit y (y = 0..15) 28 1 BR13 Port x reset bit y (y = 0..15) 29 1 BR14 Port x reset bit y (y = 0..15) 30 1 BR15 Port x reset bit y (y = 0..15) 31 1 BR2 Port x reset bit y (y = 0..15) 18 1 BR3 Port x reset bit y (y = 0..15) 19 1 BR4 Port x reset bit y (y = 0..15) 20 1 BR5 Port x reset bit y (y = 0..15) 21 1 BR6 Port x reset bit y (y = 0..15) 22 1 BR7 Port x reset bit y (y = 0..15) 23 1 BR8 Port x reset bit y (y = 0..15) 24 1 BR9 Port x reset bit y (y = 0..15) 25 1 BS0 Port x set bit y (y= 0..15) 0 1 BS1 Port x set bit y (y= 0..15) 1 1 BS10 Port x set bit y (y= 0..15) 10 1 BS11 Port x set bit y (y= 0..15) 11 1 BS12 Port x set bit y (y= 0..15) 12 1 BS13 Port x set bit y (y= 0..15) 13 1 BS14 Port x set bit y (y= 0..15) 14 1 BS15 Port x set bit y (y= 0..15) 15 1 BS2 Port x set bit y (y= 0..15) 2 1 BS3 Port x set bit y (y= 0..15) 3 1 BS4 Port x set bit y (y= 0..15) 4 1 BS5 Port x set bit y (y= 0..15) 5 1 BS6 Port x set bit y (y= 0..15) 6 1 BS7 Port x set bit y (y= 0..15) 7 1 BS8 Port x set bit y (y= 0..15) 8 1 BS9 Port x set bit y (y= 0..15) 9 1 IDR IDR GPIO port input data register 0x10 32 read-only n 0x0 0x0 IDR0 Port input data (y = 0..15) 0 1 IDR1 Port input data (y = 0..15) 1 1 IDR10 Port input data (y = 0..15) 10 1 IDR11 Port input data (y = 0..15) 11 1 IDR12 Port input data (y = 0..15) 12 1 IDR13 Port input data (y = 0..15) 13 1 IDR14 Port input data (y = 0..15) 14 1 IDR15 Port input data (y = 0..15) 15 1 IDR2 Port input data (y = 0..15) 2 1 IDR3 Port input data (y = 0..15) 3 1 IDR4 Port input data (y = 0..15) 4 1 IDR5 Port input data (y = 0..15) 5 1 IDR6 Port input data (y = 0..15) 6 1 IDR7 Port input data (y = 0..15) 7 1 IDR8 Port input data (y = 0..15) 8 1 IDR9 Port input data (y = 0..15) 9 1 LCKR LCKR GPIO port configuration lock register 0x1C 32 read-write n 0x0 0x0 LCK0 Port x lock bit y (y= 0..15) 0 1 LCK1 Port x lock bit y (y= 0..15) 1 1 LCK10 Port x lock bit y (y= 0..15) 10 1 LCK11 Port x lock bit y (y= 0..15) 11 1 LCK12 Port x lock bit y (y= 0..15) 12 1 LCK13 Port x lock bit y (y= 0..15) 13 1 LCK14 Port x lock bit y (y= 0..15) 14 1 LCK15 Port x lock bit y (y= 0..15) 15 1 LCK2 Port x lock bit y (y= 0..15) 2 1 LCK3 Port x lock bit y (y= 0..15) 3 1 LCK4 Port x lock bit y (y= 0..15) 4 1 LCK5 Port x lock bit y (y= 0..15) 5 1 LCK6 Port x lock bit y (y= 0..15) 6 1 LCK7 Port x lock bit y (y= 0..15) 7 1 LCK8 Port x lock bit y (y= 0..15) 8 1 LCK9 Port x lock bit y (y= 0..15) 9 1 LCKK Port x lock bit y (y= 0..15) 16 1 MODER MODER GPIO port mode register 0x0 32 read-write n 0x0 0x0 MODER0 Port x configuration bits (y = 0..15) 0 2 MODER1 Port x configuration bits (y = 0..15) 2 2 MODER10 Port x configuration bits (y = 0..15) 20 2 MODER11 Port x configuration bits (y = 0..15) 22 2 MODER12 Port x configuration bits (y = 0..15) 24 2 MODER13 Port x configuration bits (y = 0..15) 26 2 MODER14 Port x configuration bits (y = 0..15) 28 2 MODER15 Port x configuration bits (y = 0..15) 30 2 MODER2 Port x configuration bits (y = 0..15) 4 2 MODER3 Port x configuration bits (y = 0..15) 6 2 MODER4 Port x configuration bits (y = 0..15) 8 2 MODER5 Port x configuration bits (y = 0..15) 10 2 MODER6 Port x configuration bits (y = 0..15) 12 2 MODER7 Port x configuration bits (y = 0..15) 14 2 MODER8 Port x configuration bits (y = 0..15) 16 2 MODER9 Port x configuration bits (y = 0..15) 18 2 ODR ODR GPIO port output data register 0x14 32 read-write n 0x0 0x0 ODR0 Port output data (y = 0..15) 0 1 ODR1 Port output data (y = 0..15) 1 1 ODR10 Port output data (y = 0..15) 10 1 ODR11 Port output data (y = 0..15) 11 1 ODR12 Port output data (y = 0..15) 12 1 ODR13 Port output data (y = 0..15) 13 1 ODR14 Port output data (y = 0..15) 14 1 ODR15 Port output data (y = 0..15) 15 1 ODR2 Port output data (y = 0..15) 2 1 ODR3 Port output data (y = 0..15) 3 1 ODR4 Port output data (y = 0..15) 4 1 ODR5 Port output data (y = 0..15) 5 1 ODR6 Port output data (y = 0..15) 6 1 ODR7 Port output data (y = 0..15) 7 1 ODR8 Port output data (y = 0..15) 8 1 ODR9 Port output data (y = 0..15) 9 1 OSPEEDR OSPEEDR GPIO port output speed register 0x8 32 read-write n 0x0 0x0 OSPEEDR0 Port x configuration bits (y = 0..15) 0 2 OSPEEDR1 Port x configuration bits (y = 0..15) 2 2 OSPEEDR10 Port x configuration bits (y = 0..15) 20 2 OSPEEDR11 Port x configuration bits (y = 0..15) 22 2 OSPEEDR12 Port x configuration bits (y = 0..15) 24 2 OSPEEDR13 Port x configuration bits (y = 0..15) 26 2 OSPEEDR14 Port x configuration bits (y = 0..15) 28 2 OSPEEDR15 Port x configuration bits (y = 0..15) 30 2 OSPEEDR2 Port x configuration bits (y = 0..15) 4 2 OSPEEDR3 Port x configuration bits (y = 0..15) 6 2 OSPEEDR4 Port x configuration bits (y = 0..15) 8 2 OSPEEDR5 Port x configuration bits (y = 0..15) 10 2 OSPEEDR6 Port x configuration bits (y = 0..15) 12 2 OSPEEDR7 Port x configuration bits (y = 0..15) 14 2 OSPEEDR8 Port x configuration bits (y = 0..15) 16 2 OSPEEDR9 Port x configuration bits (y = 0..15) 18 2 OTYPER OTYPER GPIO port output type register 0x4 32 read-write n 0x0 0x0 OT0 Port x configuration bits (y = 0..15) 0 1 OT1 Port x configuration bits (y = 0..15) 1 1 OT10 Port x configuration bits (y = 0..15) 10 1 OT11 Port x configuration bits (y = 0..15) 11 1 OT12 Port x configuration bits (y = 0..15) 12 1 OT13 Port x configuration bits (y = 0..15) 13 1 OT14 Port x configuration bits (y = 0..15) 14 1 OT15 Port x configuration bits (y = 0..15) 15 1 OT2 Port x configuration bits (y = 0..15) 2 1 OT3 Port x configuration bits (y = 0..15) 3 1 OT4 Port x configuration bits (y = 0..15) 4 1 OT5 Port x configuration bits (y = 0..15) 5 1 OT6 Port x configuration bits (y = 0..15) 6 1 OT7 Port x configuration bits (y = 0..15) 7 1 OT8 Port x configuration bits (y = 0..15) 8 1 OT9 Port x configuration bits (y = 0..15) 9 1 PUPDR PUPDR GPIO port pull-up/pull-down register 0xC 32 read-write n 0x0 0x0 PUPDR0 Port x configuration bits (y = 0..15) 0 2 PUPDR1 Port x configuration bits (y = 0..15) 2 2 PUPDR10 Port x configuration bits (y = 0..15) 20 2 PUPDR11 Port x configuration bits (y = 0..15) 22 2 PUPDR12 Port x configuration bits (y = 0..15) 24 2 PUPDR13 Port x configuration bits (y = 0..15) 26 2 PUPDR14 Port x configuration bits (y = 0..15) 28 2 PUPDR15 Port x configuration bits (y = 0..15) 30 2 PUPDR2 Port x configuration bits (y = 0..15) 4 2 PUPDR3 Port x configuration bits (y = 0..15) 6 2 PUPDR4 Port x configuration bits (y = 0..15) 8 2 PUPDR5 Port x configuration bits (y = 0..15) 10 2 PUPDR6 Port x configuration bits (y = 0..15) 12 2 PUPDR7 Port x configuration bits (y = 0..15) 14 2 PUPDR8 Port x configuration bits (y = 0..15) 16 2 PUPDR9 Port x configuration bits (y = 0..15) 18 2 GPIOE General-purpose I/Os GPIO 0x0 0x0 0x400 registers n AFRH AFRH GPIO alternate function high register 0x24 32 read-write n 0x0 0x0 AFRH10 Alternate function selection for port x bit y (y = 8..15) 8 4 AFRH11 Alternate function selection for port x bit y (y = 8..15) 12 4 AFRH12 Alternate function selection for port x bit y (y = 8..15) 16 4 AFRH13 Alternate function selection for port x bit y (y = 8..15) 20 4 AFRH14 Alternate function selection for port x bit y (y = 8..15) 24 4 AFRH15 Alternate function selection for port x bit y (y = 8..15) 28 4 AFRH8 Alternate function selection for port x bit y (y = 8..15) 0 4 AFRH9 Alternate function selection for port x bit y (y = 8..15) 4 4 AFRL AFRL GPIO alternate function low register 0x20 32 read-write n 0x0 0x0 AFRL0 Alternate function selection for port x bit y (y = 0..7) 0 4 AFRL1 Alternate function selection for port x bit y (y = 0..7) 4 4 AFRL2 Alternate function selection for port x bit y (y = 0..7) 8 4 AFRL3 Alternate function selection for port x bit y (y = 0..7) 12 4 AFRL4 Alternate function selection for port x bit y (y = 0..7) 16 4 AFRL5 Alternate function selection for port x bit y (y = 0..7) 20 4 AFRL6 Alternate function selection for port x bit y (y = 0..7) 24 4 AFRL7 Alternate function selection for port x bit y (y = 0..7) 28 4 BSRR BSRR GPIO port bit set/reset register 0x18 32 write-only n 0x0 0x0 BR0 Port x set bit y (y= 0..15) 16 1 BR1 Port x reset bit y (y = 0..15) 17 1 BR10 Port x reset bit y (y = 0..15) 26 1 BR11 Port x reset bit y (y = 0..15) 27 1 BR12 Port x reset bit y (y = 0..15) 28 1 BR13 Port x reset bit y (y = 0..15) 29 1 BR14 Port x reset bit y (y = 0..15) 30 1 BR15 Port x reset bit y (y = 0..15) 31 1 BR2 Port x reset bit y (y = 0..15) 18 1 BR3 Port x reset bit y (y = 0..15) 19 1 BR4 Port x reset bit y (y = 0..15) 20 1 BR5 Port x reset bit y (y = 0..15) 21 1 BR6 Port x reset bit y (y = 0..15) 22 1 BR7 Port x reset bit y (y = 0..15) 23 1 BR8 Port x reset bit y (y = 0..15) 24 1 BR9 Port x reset bit y (y = 0..15) 25 1 BS0 Port x set bit y (y= 0..15) 0 1 BS1 Port x set bit y (y= 0..15) 1 1 BS10 Port x set bit y (y= 0..15) 10 1 BS11 Port x set bit y (y= 0..15) 11 1 BS12 Port x set bit y (y= 0..15) 12 1 BS13 Port x set bit y (y= 0..15) 13 1 BS14 Port x set bit y (y= 0..15) 14 1 BS15 Port x set bit y (y= 0..15) 15 1 BS2 Port x set bit y (y= 0..15) 2 1 BS3 Port x set bit y (y= 0..15) 3 1 BS4 Port x set bit y (y= 0..15) 4 1 BS5 Port x set bit y (y= 0..15) 5 1 BS6 Port x set bit y (y= 0..15) 6 1 BS7 Port x set bit y (y= 0..15) 7 1 BS8 Port x set bit y (y= 0..15) 8 1 BS9 Port x set bit y (y= 0..15) 9 1 IDR IDR GPIO port input data register 0x10 32 read-only n 0x0 0x0 IDR0 Port input data (y = 0..15) 0 1 IDR1 Port input data (y = 0..15) 1 1 IDR10 Port input data (y = 0..15) 10 1 IDR11 Port input data (y = 0..15) 11 1 IDR12 Port input data (y = 0..15) 12 1 IDR13 Port input data (y = 0..15) 13 1 IDR14 Port input data (y = 0..15) 14 1 IDR15 Port input data (y = 0..15) 15 1 IDR2 Port input data (y = 0..15) 2 1 IDR3 Port input data (y = 0..15) 3 1 IDR4 Port input data (y = 0..15) 4 1 IDR5 Port input data (y = 0..15) 5 1 IDR6 Port input data (y = 0..15) 6 1 IDR7 Port input data (y = 0..15) 7 1 IDR8 Port input data (y = 0..15) 8 1 IDR9 Port input data (y = 0..15) 9 1 LCKR LCKR GPIO port configuration lock register 0x1C 32 read-write n 0x0 0x0 LCK0 Port x lock bit y (y= 0..15) 0 1 LCK1 Port x lock bit y (y= 0..15) 1 1 LCK10 Port x lock bit y (y= 0..15) 10 1 LCK11 Port x lock bit y (y= 0..15) 11 1 LCK12 Port x lock bit y (y= 0..15) 12 1 LCK13 Port x lock bit y (y= 0..15) 13 1 LCK14 Port x lock bit y (y= 0..15) 14 1 LCK15 Port x lock bit y (y= 0..15) 15 1 LCK2 Port x lock bit y (y= 0..15) 2 1 LCK3 Port x lock bit y (y= 0..15) 3 1 LCK4 Port x lock bit y (y= 0..15) 4 1 LCK5 Port x lock bit y (y= 0..15) 5 1 LCK6 Port x lock bit y (y= 0..15) 6 1 LCK7 Port x lock bit y (y= 0..15) 7 1 LCK8 Port x lock bit y (y= 0..15) 8 1 LCK9 Port x lock bit y (y= 0..15) 9 1 LCKK Port x lock bit y (y= 0..15) 16 1 MODER MODER GPIO port mode register 0x0 32 read-write n 0x0 0x0 MODER0 Port x configuration bits (y = 0..15) 0 2 MODER1 Port x configuration bits (y = 0..15) 2 2 MODER10 Port x configuration bits (y = 0..15) 20 2 MODER11 Port x configuration bits (y = 0..15) 22 2 MODER12 Port x configuration bits (y = 0..15) 24 2 MODER13 Port x configuration bits (y = 0..15) 26 2 MODER14 Port x configuration bits (y = 0..15) 28 2 MODER15 Port x configuration bits (y = 0..15) 30 2 MODER2 Port x configuration bits (y = 0..15) 4 2 MODER3 Port x configuration bits (y = 0..15) 6 2 MODER4 Port x configuration bits (y = 0..15) 8 2 MODER5 Port x configuration bits (y = 0..15) 10 2 MODER6 Port x configuration bits (y = 0..15) 12 2 MODER7 Port x configuration bits (y = 0..15) 14 2 MODER8 Port x configuration bits (y = 0..15) 16 2 MODER9 Port x configuration bits (y = 0..15) 18 2 ODR ODR GPIO port output data register 0x14 32 read-write n 0x0 0x0 ODR0 Port output data (y = 0..15) 0 1 ODR1 Port output data (y = 0..15) 1 1 ODR10 Port output data (y = 0..15) 10 1 ODR11 Port output data (y = 0..15) 11 1 ODR12 Port output data (y = 0..15) 12 1 ODR13 Port output data (y = 0..15) 13 1 ODR14 Port output data (y = 0..15) 14 1 ODR15 Port output data (y = 0..15) 15 1 ODR2 Port output data (y = 0..15) 2 1 ODR3 Port output data (y = 0..15) 3 1 ODR4 Port output data (y = 0..15) 4 1 ODR5 Port output data (y = 0..15) 5 1 ODR6 Port output data (y = 0..15) 6 1 ODR7 Port output data (y = 0..15) 7 1 ODR8 Port output data (y = 0..15) 8 1 ODR9 Port output data (y = 0..15) 9 1 OSPEEDR OSPEEDR GPIO port output speed register 0x8 32 read-write n 0x0 0x0 OSPEEDR0 Port x configuration bits (y = 0..15) 0 2 OSPEEDR1 Port x configuration bits (y = 0..15) 2 2 OSPEEDR10 Port x configuration bits (y = 0..15) 20 2 OSPEEDR11 Port x configuration bits (y = 0..15) 22 2 OSPEEDR12 Port x configuration bits (y = 0..15) 24 2 OSPEEDR13 Port x configuration bits (y = 0..15) 26 2 OSPEEDR14 Port x configuration bits (y = 0..15) 28 2 OSPEEDR15 Port x configuration bits (y = 0..15) 30 2 OSPEEDR2 Port x configuration bits (y = 0..15) 4 2 OSPEEDR3 Port x configuration bits (y = 0..15) 6 2 OSPEEDR4 Port x configuration bits (y = 0..15) 8 2 OSPEEDR5 Port x configuration bits (y = 0..15) 10 2 OSPEEDR6 Port x configuration bits (y = 0..15) 12 2 OSPEEDR7 Port x configuration bits (y = 0..15) 14 2 OSPEEDR8 Port x configuration bits (y = 0..15) 16 2 OSPEEDR9 Port x configuration bits (y = 0..15) 18 2 OTYPER OTYPER GPIO port output type register 0x4 32 read-write n 0x0 0x0 OT0 Port x configuration bits (y = 0..15) 0 1 OT1 Port x configuration bits (y = 0..15) 1 1 OT10 Port x configuration bits (y = 0..15) 10 1 OT11 Port x configuration bits (y = 0..15) 11 1 OT12 Port x configuration bits (y = 0..15) 12 1 OT13 Port x configuration bits (y = 0..15) 13 1 OT14 Port x configuration bits (y = 0..15) 14 1 OT15 Port x configuration bits (y = 0..15) 15 1 OT2 Port x configuration bits (y = 0..15) 2 1 OT3 Port x configuration bits (y = 0..15) 3 1 OT4 Port x configuration bits (y = 0..15) 4 1 OT5 Port x configuration bits (y = 0..15) 5 1 OT6 Port x configuration bits (y = 0..15) 6 1 OT7 Port x configuration bits (y = 0..15) 7 1 OT8 Port x configuration bits (y = 0..15) 8 1 OT9 Port x configuration bits (y = 0..15) 9 1 PUPDR PUPDR GPIO port pull-up/pull-down register 0xC 32 read-write n 0x0 0x0 PUPDR0 Port x configuration bits (y = 0..15) 0 2 PUPDR1 Port x configuration bits (y = 0..15) 2 2 PUPDR10 Port x configuration bits (y = 0..15) 20 2 PUPDR11 Port x configuration bits (y = 0..15) 22 2 PUPDR12 Port x configuration bits (y = 0..15) 24 2 PUPDR13 Port x configuration bits (y = 0..15) 26 2 PUPDR14 Port x configuration bits (y = 0..15) 28 2 PUPDR15 Port x configuration bits (y = 0..15) 30 2 PUPDR2 Port x configuration bits (y = 0..15) 4 2 PUPDR3 Port x configuration bits (y = 0..15) 6 2 PUPDR4 Port x configuration bits (y = 0..15) 8 2 PUPDR5 Port x configuration bits (y = 0..15) 10 2 PUPDR6 Port x configuration bits (y = 0..15) 12 2 PUPDR7 Port x configuration bits (y = 0..15) 14 2 PUPDR8 Port x configuration bits (y = 0..15) 16 2 PUPDR9 Port x configuration bits (y = 0..15) 18 2 GPIOH General-purpose I/Os GPIO 0x0 0x0 0x400 registers n SDIO SDIO global interrupt 49 AFRH AFRH GPIO alternate function high register 0x24 32 read-write n 0x0 0x0 AFRH10 Alternate function selection for port x bit y (y = 8..15) 8 4 AFRH11 Alternate function selection for port x bit y (y = 8..15) 12 4 AFRH12 Alternate function selection for port x bit y (y = 8..15) 16 4 AFRH13 Alternate function selection for port x bit y (y = 8..15) 20 4 AFRH14 Alternate function selection for port x bit y (y = 8..15) 24 4 AFRH15 Alternate function selection for port x bit y (y = 8..15) 28 4 AFRH8 Alternate function selection for port x bit y (y = 8..15) 0 4 AFRH9 Alternate function selection for port x bit y (y = 8..15) 4 4 AFRL AFRL GPIO alternate function low register 0x20 32 read-write n 0x0 0x0 AFRL0 Alternate function selection for port x bit y (y = 0..7) 0 4 AFRL1 Alternate function selection for port x bit y (y = 0..7) 4 4 AFRL2 Alternate function selection for port x bit y (y = 0..7) 8 4 AFRL3 Alternate function selection for port x bit y (y = 0..7) 12 4 AFRL4 Alternate function selection for port x bit y (y = 0..7) 16 4 AFRL5 Alternate function selection for port x bit y (y = 0..7) 20 4 AFRL6 Alternate function selection for port x bit y (y = 0..7) 24 4 AFRL7 Alternate function selection for port x bit y (y = 0..7) 28 4 BSRR BSRR GPIO port bit set/reset register 0x18 32 write-only n 0x0 0x0 BR0 Port x set bit y (y= 0..15) 16 1 BR1 Port x reset bit y (y = 0..15) 17 1 BR10 Port x reset bit y (y = 0..15) 26 1 BR11 Port x reset bit y (y = 0..15) 27 1 BR12 Port x reset bit y (y = 0..15) 28 1 BR13 Port x reset bit y (y = 0..15) 29 1 BR14 Port x reset bit y (y = 0..15) 30 1 BR15 Port x reset bit y (y = 0..15) 31 1 BR2 Port x reset bit y (y = 0..15) 18 1 BR3 Port x reset bit y (y = 0..15) 19 1 BR4 Port x reset bit y (y = 0..15) 20 1 BR5 Port x reset bit y (y = 0..15) 21 1 BR6 Port x reset bit y (y = 0..15) 22 1 BR7 Port x reset bit y (y = 0..15) 23 1 BR8 Port x reset bit y (y = 0..15) 24 1 BR9 Port x reset bit y (y = 0..15) 25 1 BS0 Port x set bit y (y= 0..15) 0 1 BS1 Port x set bit y (y= 0..15) 1 1 BS10 Port x set bit y (y= 0..15) 10 1 BS11 Port x set bit y (y= 0..15) 11 1 BS12 Port x set bit y (y= 0..15) 12 1 BS13 Port x set bit y (y= 0..15) 13 1 BS14 Port x set bit y (y= 0..15) 14 1 BS15 Port x set bit y (y= 0..15) 15 1 BS2 Port x set bit y (y= 0..15) 2 1 BS3 Port x set bit y (y= 0..15) 3 1 BS4 Port x set bit y (y= 0..15) 4 1 BS5 Port x set bit y (y= 0..15) 5 1 BS6 Port x set bit y (y= 0..15) 6 1 BS7 Port x set bit y (y= 0..15) 7 1 BS8 Port x set bit y (y= 0..15) 8 1 BS9 Port x set bit y (y= 0..15) 9 1 IDR IDR GPIO port input data register 0x10 32 read-only n 0x0 0x0 IDR0 Port input data (y = 0..15) 0 1 IDR1 Port input data (y = 0..15) 1 1 IDR10 Port input data (y = 0..15) 10 1 IDR11 Port input data (y = 0..15) 11 1 IDR12 Port input data (y = 0..15) 12 1 IDR13 Port input data (y = 0..15) 13 1 IDR14 Port input data (y = 0..15) 14 1 IDR15 Port input data (y = 0..15) 15 1 IDR2 Port input data (y = 0..15) 2 1 IDR3 Port input data (y = 0..15) 3 1 IDR4 Port input data (y = 0..15) 4 1 IDR5 Port input data (y = 0..15) 5 1 IDR6 Port input data (y = 0..15) 6 1 IDR7 Port input data (y = 0..15) 7 1 IDR8 Port input data (y = 0..15) 8 1 IDR9 Port input data (y = 0..15) 9 1 LCKR LCKR GPIO port configuration lock register 0x1C 32 read-write n 0x0 0x0 LCK0 Port x lock bit y (y= 0..15) 0 1 LCK1 Port x lock bit y (y= 0..15) 1 1 LCK10 Port x lock bit y (y= 0..15) 10 1 LCK11 Port x lock bit y (y= 0..15) 11 1 LCK12 Port x lock bit y (y= 0..15) 12 1 LCK13 Port x lock bit y (y= 0..15) 13 1 LCK14 Port x lock bit y (y= 0..15) 14 1 LCK15 Port x lock bit y (y= 0..15) 15 1 LCK2 Port x lock bit y (y= 0..15) 2 1 LCK3 Port x lock bit y (y= 0..15) 3 1 LCK4 Port x lock bit y (y= 0..15) 4 1 LCK5 Port x lock bit y (y= 0..15) 5 1 LCK6 Port x lock bit y (y= 0..15) 6 1 LCK7 Port x lock bit y (y= 0..15) 7 1 LCK8 Port x lock bit y (y= 0..15) 8 1 LCK9 Port x lock bit y (y= 0..15) 9 1 LCKK Port x lock bit y (y= 0..15) 16 1 MODER MODER GPIO port mode register 0x0 32 read-write n 0x0 0x0 MODER0 Port x configuration bits (y = 0..15) 0 2 MODER1 Port x configuration bits (y = 0..15) 2 2 MODER10 Port x configuration bits (y = 0..15) 20 2 MODER11 Port x configuration bits (y = 0..15) 22 2 MODER12 Port x configuration bits (y = 0..15) 24 2 MODER13 Port x configuration bits (y = 0..15) 26 2 MODER14 Port x configuration bits (y = 0..15) 28 2 MODER15 Port x configuration bits (y = 0..15) 30 2 MODER2 Port x configuration bits (y = 0..15) 4 2 MODER3 Port x configuration bits (y = 0..15) 6 2 MODER4 Port x configuration bits (y = 0..15) 8 2 MODER5 Port x configuration bits (y = 0..15) 10 2 MODER6 Port x configuration bits (y = 0..15) 12 2 MODER7 Port x configuration bits (y = 0..15) 14 2 MODER8 Port x configuration bits (y = 0..15) 16 2 MODER9 Port x configuration bits (y = 0..15) 18 2 ODR ODR GPIO port output data register 0x14 32 read-write n 0x0 0x0 ODR0 Port output data (y = 0..15) 0 1 ODR1 Port output data (y = 0..15) 1 1 ODR10 Port output data (y = 0..15) 10 1 ODR11 Port output data (y = 0..15) 11 1 ODR12 Port output data (y = 0..15) 12 1 ODR13 Port output data (y = 0..15) 13 1 ODR14 Port output data (y = 0..15) 14 1 ODR15 Port output data (y = 0..15) 15 1 ODR2 Port output data (y = 0..15) 2 1 ODR3 Port output data (y = 0..15) 3 1 ODR4 Port output data (y = 0..15) 4 1 ODR5 Port output data (y = 0..15) 5 1 ODR6 Port output data (y = 0..15) 6 1 ODR7 Port output data (y = 0..15) 7 1 ODR8 Port output data (y = 0..15) 8 1 ODR9 Port output data (y = 0..15) 9 1 OSPEEDR OSPEEDR GPIO port output speed register 0x8 32 read-write n 0x0 0x0 OSPEEDR0 Port x configuration bits (y = 0..15) 0 2 OSPEEDR1 Port x configuration bits (y = 0..15) 2 2 OSPEEDR10 Port x configuration bits (y = 0..15) 20 2 OSPEEDR11 Port x configuration bits (y = 0..15) 22 2 OSPEEDR12 Port x configuration bits (y = 0..15) 24 2 OSPEEDR13 Port x configuration bits (y = 0..15) 26 2 OSPEEDR14 Port x configuration bits (y = 0..15) 28 2 OSPEEDR15 Port x configuration bits (y = 0..15) 30 2 OSPEEDR2 Port x configuration bits (y = 0..15) 4 2 OSPEEDR3 Port x configuration bits (y = 0..15) 6 2 OSPEEDR4 Port x configuration bits (y = 0..15) 8 2 OSPEEDR5 Port x configuration bits (y = 0..15) 10 2 OSPEEDR6 Port x configuration bits (y = 0..15) 12 2 OSPEEDR7 Port x configuration bits (y = 0..15) 14 2 OSPEEDR8 Port x configuration bits (y = 0..15) 16 2 OSPEEDR9 Port x configuration bits (y = 0..15) 18 2 OTYPER OTYPER GPIO port output type register 0x4 32 read-write n 0x0 0x0 OT0 Port x configuration bits (y = 0..15) 0 1 OT1 Port x configuration bits (y = 0..15) 1 1 OT10 Port x configuration bits (y = 0..15) 10 1 OT11 Port x configuration bits (y = 0..15) 11 1 OT12 Port x configuration bits (y = 0..15) 12 1 OT13 Port x configuration bits (y = 0..15) 13 1 OT14 Port x configuration bits (y = 0..15) 14 1 OT15 Port x configuration bits (y = 0..15) 15 1 OT2 Port x configuration bits (y = 0..15) 2 1 OT3 Port x configuration bits (y = 0..15) 3 1 OT4 Port x configuration bits (y = 0..15) 4 1 OT5 Port x configuration bits (y = 0..15) 5 1 OT6 Port x configuration bits (y = 0..15) 6 1 OT7 Port x configuration bits (y = 0..15) 7 1 OT8 Port x configuration bits (y = 0..15) 8 1 OT9 Port x configuration bits (y = 0..15) 9 1 PUPDR PUPDR GPIO port pull-up/pull-down register 0xC 32 read-write n 0x0 0x0 PUPDR0 Port x configuration bits (y = 0..15) 0 2 PUPDR1 Port x configuration bits (y = 0..15) 2 2 PUPDR10 Port x configuration bits (y = 0..15) 20 2 PUPDR11 Port x configuration bits (y = 0..15) 22 2 PUPDR12 Port x configuration bits (y = 0..15) 24 2 PUPDR13 Port x configuration bits (y = 0..15) 26 2 PUPDR14 Port x configuration bits (y = 0..15) 28 2 PUPDR15 Port x configuration bits (y = 0..15) 30 2 PUPDR2 Port x configuration bits (y = 0..15) 4 2 PUPDR3 Port x configuration bits (y = 0..15) 6 2 PUPDR4 Port x configuration bits (y = 0..15) 8 2 PUPDR5 Port x configuration bits (y = 0..15) 10 2 PUPDR6 Port x configuration bits (y = 0..15) 12 2 PUPDR7 Port x configuration bits (y = 0..15) 14 2 PUPDR8 Port x configuration bits (y = 0..15) 16 2 PUPDR9 Port x configuration bits (y = 0..15) 18 2 I2C1 Inter-integrated circuit I2C 0x0 0x0 0x400 registers n I2C2_EV I2C2 event interrupt 33 I2C2_ER I2C2 error interrupt 34 CCR CCR Clock control register 0x1C 32 read-write n 0x0 0x0 CCR Clock control register in Fast/Standard mode (Master mode) 0 12 DUTY Fast mode duty cycle 14 1 F_S I2C master mode selection 15 1 CR1 CR1 Control register 1 0x0 32 read-write n 0x0 0x0 ACK Acknowledge enable 10 1 ALERT SMBus alert 13 1 ENARP ARP enable 4 1 ENGC General call enable 6 1 ENPEC PEC enable 5 1 NOSTRETCH Clock stretching disable (Slave mode) 7 1 PE Peripheral enable 0 1 PEC Packet error checking 12 1 POS Acknowledge/PEC Position (for data reception) 11 1 SMBTYPE SMBus type 3 1 SMBUS SMBus mode 1 1 START Start generation 8 1 STOP Stop generation 9 1 SWRST Software reset 15 1 CR2 CR2 Control register 2 0x4 32 read-write n 0x0 0x0 DMAEN DMA requests enable 11 1 FREQ Peripheral clock frequency 0 6 ITBUFEN Buffer interrupt enable 10 1 ITERREN Error interrupt enable 8 1 ITEVTEN Event interrupt enable 9 1 LAST DMA last transfer 12 1 DR DR Data register 0x10 32 read-write n 0x0 0x0 DR 8-bit data register 0 8 OAR1 OAR1 Own address register 1 0x8 32 read-write n 0x0 0x0 ADD0 Interface address 0 1 ADD10 Interface address 8 2 ADD7 Interface address 1 7 ADDMODE Addressing mode (slave mode) 15 1 OAR2 OAR2 Own address register 2 0xC 32 read-write n 0x0 0x0 ADD2 Interface address 1 7 ENDUAL Dual addressing mode enable 0 1 SR1 SR1 Status register 1 0x14 32 read-write n 0x0 0x0 ADD10 10-bit header sent (Master mode) 3 1 read-only ADDR Address sent (master mode)/matched (slave mode) 1 1 read-only AF Acknowledge failure 10 1 read-write ARLO Arbitration lost (master mode) 9 1 read-write BERR Bus error 8 1 read-write BTF Byte transfer finished 2 1 read-only OVR Overrun/Underrun 11 1 read-write PECERR PEC Error in reception 12 1 read-write RxNE Data register not empty (receivers) 6 1 read-only SB Start bit (Master mode) 0 1 read-only SMBALERT SMBus alert 15 1 read-write STOPF Stop detection (slave mode) 4 1 read-only TIMEOUT Timeout or Tlow error 14 1 read-write TxE Data register empty (transmitters) 7 1 read-only SR2 SR2 Status register 2 0x18 32 read-only n 0x0 0x0 BUSY Bus busy 1 1 DUALF Dual flag (Slave mode) 7 1 GENCALL General call address (Slave mode) 4 1 MSL Master/slave 0 1 PEC acket error checking register 8 8 SMBDEFAULT SMBus device default address (Slave mode) 5 1 SMBHOST SMBus host header (Slave mode) 6 1 TRA Transmitter/receiver 2 1 TRISE TRISE TRISE register 0x20 32 read-write n 0x0 0x0 TRISE Maximum rise time in Fast/Standard mode (Master mode) 0 6 I2C2 Inter-integrated circuit I2C 0x0 0x0 0x400 registers n I2C3_EV I2C3 event interrupt 72 I2C3_ER I2C3 error interrupt 73 CCR CCR Clock control register 0x1C 32 read-write n 0x0 0x0 CCR Clock control register in Fast/Standard mode (Master mode) 0 12 DUTY Fast mode duty cycle 14 1 F_S I2C master mode selection 15 1 CR1 CR1 Control register 1 0x0 32 read-write n 0x0 0x0 ACK Acknowledge enable 10 1 ALERT SMBus alert 13 1 ENARP ARP enable 4 1 ENGC General call enable 6 1 ENPEC PEC enable 5 1 NOSTRETCH Clock stretching disable (Slave mode) 7 1 PE Peripheral enable 0 1 PEC Packet error checking 12 1 POS Acknowledge/PEC Position (for data reception) 11 1 SMBTYPE SMBus type 3 1 SMBUS SMBus mode 1 1 START Start generation 8 1 STOP Stop generation 9 1 SWRST Software reset 15 1 CR2 CR2 Control register 2 0x4 32 read-write n 0x0 0x0 DMAEN DMA requests enable 11 1 FREQ Peripheral clock frequency 0 6 ITBUFEN Buffer interrupt enable 10 1 ITERREN Error interrupt enable 8 1 ITEVTEN Event interrupt enable 9 1 LAST DMA last transfer 12 1 DR DR Data register 0x10 32 read-write n 0x0 0x0 DR 8-bit data register 0 8 OAR1 OAR1 Own address register 1 0x8 32 read-write n 0x0 0x0 ADD0 Interface address 0 1 ADD10 Interface address 8 2 ADD7 Interface address 1 7 ADDMODE Addressing mode (slave mode) 15 1 OAR2 OAR2 Own address register 2 0xC 32 read-write n 0x0 0x0 ADD2 Interface address 1 7 ENDUAL Dual addressing mode enable 0 1 SR1 SR1 Status register 1 0x14 32 read-write n 0x0 0x0 ADD10 10-bit header sent (Master mode) 3 1 read-only ADDR Address sent (master mode)/matched (slave mode) 1 1 read-only AF Acknowledge failure 10 1 read-write ARLO Arbitration lost (master mode) 9 1 read-write BERR Bus error 8 1 read-write BTF Byte transfer finished 2 1 read-only OVR Overrun/Underrun 11 1 read-write PECERR PEC Error in reception 12 1 read-write RxNE Data register not empty (receivers) 6 1 read-only SB Start bit (Master mode) 0 1 read-only SMBALERT SMBus alert 15 1 read-write STOPF Stop detection (slave mode) 4 1 read-only TIMEOUT Timeout or Tlow error 14 1 read-write TxE Data register empty (transmitters) 7 1 read-only SR2 SR2 Status register 2 0x18 32 read-only n 0x0 0x0 BUSY Bus busy 1 1 DUALF Dual flag (Slave mode) 7 1 GENCALL General call address (Slave mode) 4 1 MSL Master/slave 0 1 PEC acket error checking register 8 8 SMBDEFAULT SMBus device default address (Slave mode) 5 1 SMBHOST SMBus host header (Slave mode) 6 1 TRA Transmitter/receiver 2 1 TRISE TRISE TRISE register 0x20 32 read-write n 0x0 0x0 TRISE Maximum rise time in Fast/Standard mode (Master mode) 0 6 I2C3 Inter-integrated circuit I2C 0x0 0x0 0x400 registers n TIM3 TIM3 global interrupt 29 CCR CCR Clock control register 0x1C 32 read-write n 0x0 0x0 CCR Clock control register in Fast/Standard mode (Master mode) 0 12 DUTY Fast mode duty cycle 14 1 F_S I2C master mode selection 15 1 CR1 CR1 Control register 1 0x0 32 read-write n 0x0 0x0 ACK Acknowledge enable 10 1 ALERT SMBus alert 13 1 ENARP ARP enable 4 1 ENGC General call enable 6 1 ENPEC PEC enable 5 1 NOSTRETCH Clock stretching disable (Slave mode) 7 1 PE Peripheral enable 0 1 PEC Packet error checking 12 1 POS Acknowledge/PEC Position (for data reception) 11 1 SMBTYPE SMBus type 3 1 SMBUS SMBus mode 1 1 START Start generation 8 1 STOP Stop generation 9 1 SWRST Software reset 15 1 CR2 CR2 Control register 2 0x4 32 read-write n 0x0 0x0 DMAEN DMA requests enable 11 1 FREQ Peripheral clock frequency 0 6 ITBUFEN Buffer interrupt enable 10 1 ITERREN Error interrupt enable 8 1 ITEVTEN Event interrupt enable 9 1 LAST DMA last transfer 12 1 DR DR Data register 0x10 32 read-write n 0x0 0x0 DR 8-bit data register 0 8 OAR1 OAR1 Own address register 1 0x8 32 read-write n 0x0 0x0 ADD0 Interface address 0 1 ADD10 Interface address 8 2 ADD7 Interface address 1 7 ADDMODE Addressing mode (slave mode) 15 1 OAR2 OAR2 Own address register 2 0xC 32 read-write n 0x0 0x0 ADD2 Interface address 1 7 ENDUAL Dual addressing mode enable 0 1 SR1 SR1 Status register 1 0x14 32 read-write n 0x0 0x0 ADD10 10-bit header sent (Master mode) 3 1 read-only ADDR Address sent (master mode)/matched (slave mode) 1 1 read-only AF Acknowledge failure 10 1 read-write ARLO Arbitration lost (master mode) 9 1 read-write BERR Bus error 8 1 read-write BTF Byte transfer finished 2 1 read-only OVR Overrun/Underrun 11 1 read-write PECERR PEC Error in reception 12 1 read-write RxNE Data register not empty (receivers) 6 1 read-only SB Start bit (Master mode) 0 1 read-only SMBALERT SMBus alert 15 1 read-write STOPF Stop detection (slave mode) 4 1 read-only TIMEOUT Timeout or Tlow error 14 1 read-write TxE Data register empty (transmitters) 7 1 read-only SR2 SR2 Status register 2 0x18 32 read-only n 0x0 0x0 BUSY Bus busy 1 1 DUALF Dual flag (Slave mode) 7 1 GENCALL General call address (Slave mode) 4 1 MSL Master/slave 0 1 PEC acket error checking register 8 8 SMBDEFAULT SMBus device default address (Slave mode) 5 1 SMBHOST SMBus host header (Slave mode) 6 1 TRA Transmitter/receiver 2 1 TRISE TRISE TRISE register 0x20 32 read-write n 0x0 0x0 TRISE Maximum rise time in Fast/Standard mode (Master mode) 0 6 I2S2ext Serial peripheral interface SPI 0x0 0x0 0x400 registers n I2C1_EV I2C1 event interrupt 31 I2C1_ER I2C1 error interrupt 32 CR1 CR1 control register 1 0x0 32 read-write n 0x0 0x0 BIDIMODE Bidirectional data mode enable 15 1 BIDIOE Output enable in bidirectional mode 14 1 BR Baud rate control 3 3 CPHA Clock phase 0 1 CPOL Clock polarity 1 1 CRCEN Hardware CRC calculation enable 13 1 CRCNEXT CRC transfer next 12 1 DFF Data frame format 11 1 LSBFIRST Frame format 7 1 MSTR Master selection 2 1 RXONLY Receive only 10 1 SPE SPI enable 6 1 SSI Internal slave select 8 1 SSM Software slave management 9 1 CR2 CR2 control register 2 0x4 32 read-write n 0x0 0x0 ERRIE Error interrupt enable 5 1 FRF Frame format 4 1 RXDMAEN Rx buffer DMA enable 0 1 RXNEIE RX buffer not empty interrupt enable 6 1 SSOE SS output enable 2 1 TXDMAEN Tx buffer DMA enable 1 1 TXEIE Tx buffer empty interrupt enable 7 1 CRCPR CRCPR CRC polynomial register 0x10 32 read-write n 0x0 0x0 CRCPOLY CRC polynomial register 0 16 DR DR data register 0xC 32 read-write n 0x0 0x0 DR Data register 0 16 I2SCFGR I2SCFGR I2S configuration register 0x1C 32 read-write n 0x0 0x0 CHLEN Channel length (number of bits per audio channel) 0 1 CKPOL Steady state clock polarity 3 1 DATLEN Data length to be transferred 1 2 I2SCFG I2S configuration mode 8 2 I2SE I2S Enable 10 1 I2SMOD I2S mode selection 11 1 I2SSTD I2S standard selection 4 2 PCMSYNC PCM frame synchronization 7 1 I2SPR I2SPR I2S prescaler register 0x20 32 read-write n 0x0 0x0 I2SDIV I2S Linear prescaler 0 8 MCKOE Master clock output enable 9 1 ODD Odd factor for the prescaler 8 1 RXCRCR RXCRCR RX CRC register 0x14 32 read-only n 0x0 0x0 RxCRC Rx CRC register 0 16 SR SR status register 0x8 32 read-write n 0x0 0x0 BSY Busy flag 7 1 read-only CHSIDE Channel side 2 1 read-only CRCERR CRC error flag 4 1 read-write MODF Mode fault 5 1 read-only OVR Overrun flag 6 1 read-only RXNE Receive buffer not empty 0 1 read-only TIFRFE TI frame format error 8 1 read-only TXE Transmit buffer empty 1 1 read-only UDR Underrun flag 3 1 read-only TXCRCR TXCRCR TX CRC register 0x18 32 read-only n 0x0 0x0 TxCRC Tx CRC register 0 16 I2S3ext Serial peripheral interface SPI 0x0 0x0 0x400 registers n CR1 CR1 control register 1 0x0 32 read-write n 0x0 0x0 BIDIMODE Bidirectional data mode enable 15 1 BIDIOE Output enable in bidirectional mode 14 1 BR Baud rate control 3 3 CPHA Clock phase 0 1 CPOL Clock polarity 1 1 CRCEN Hardware CRC calculation enable 13 1 CRCNEXT CRC transfer next 12 1 DFF Data frame format 11 1 LSBFIRST Frame format 7 1 MSTR Master selection 2 1 RXONLY Receive only 10 1 SPE SPI enable 6 1 SSI Internal slave select 8 1 SSM Software slave management 9 1 CR2 CR2 control register 2 0x4 32 read-write n 0x0 0x0 ERRIE Error interrupt enable 5 1 FRF Frame format 4 1 RXDMAEN Rx buffer DMA enable 0 1 RXNEIE RX buffer not empty interrupt enable 6 1 SSOE SS output enable 2 1 TXDMAEN Tx buffer DMA enable 1 1 TXEIE Tx buffer empty interrupt enable 7 1 CRCPR CRCPR CRC polynomial register 0x10 32 read-write n 0x0 0x0 CRCPOLY CRC polynomial register 0 16 DR DR data register 0xC 32 read-write n 0x0 0x0 DR Data register 0 16 I2SCFGR I2SCFGR I2S configuration register 0x1C 32 read-write n 0x0 0x0 CHLEN Channel length (number of bits per audio channel) 0 1 CKPOL Steady state clock polarity 3 1 DATLEN Data length to be transferred 1 2 I2SCFG I2S configuration mode 8 2 I2SE I2S Enable 10 1 I2SMOD I2S mode selection 11 1 I2SSTD I2S standard selection 4 2 PCMSYNC PCM frame synchronization 7 1 I2SPR I2SPR I2S prescaler register 0x20 32 read-write n 0x0 0x0 I2SDIV I2S Linear prescaler 0 8 MCKOE Master clock output enable 9 1 ODD Odd factor for the prescaler 8 1 RXCRCR RXCRCR RX CRC register 0x14 32 read-only n 0x0 0x0 RxCRC Rx CRC register 0 16 SR SR status register 0x8 32 read-write n 0x0 0x0 BSY Busy flag 7 1 read-only CHSIDE Channel side 2 1 read-only CRCERR CRC error flag 4 1 read-write MODF Mode fault 5 1 read-only OVR Overrun flag 6 1 read-only RXNE Receive buffer not empty 0 1 read-only TIFRFE TI frame format error 8 1 read-only TXE Transmit buffer empty 1 1 read-only UDR Underrun flag 3 1 read-only TXCRCR TXCRCR TX CRC register 0x18 32 read-only n 0x0 0x0 TxCRC Tx CRC register 0 16 IWDG Independent watchdog IWDG 0x0 0x0 0x400 registers n KR KR Key register 0x0 32 write-only n 0x0 0x0 KEY Key value 0 16 PR PR Prescaler register 0x4 32 read-write n 0x0 0x0 PR Prescaler divider 0 3 RLR RLR Reload register 0x8 32 read-write n 0x0 0x0 RL Watchdog counter reload value 0 12 SR SR Status register 0xC 32 read-only n 0x0 0x0 PVU Watchdog prescaler value update 0 1 RVU Watchdog counter reload value update 1 1 MPU Memory protection unit MPU 0x0 0x0 0x15 registers n CTRL MPU_CTRL MPU control register 0x4 32 read-only n 0x0 0x0 ENABLE Enables the MPU 0 1 HFNMIENA Enables the operation of MPU during hard fault 1 1 PRIVDEFENA Enable priviliged software access to default memory map 2 1 RASR MPU_RASR MPU region attribute and size register 0x10 32 read-write n 0x0 0x0 AP Access permission 24 3 B memory attribute 16 1 C memory attribute 17 1 ENABLE Region enable bit. 0 1 S Shareable memory attribute 18 1 SIZE Size of the MPU protection region 1 5 SRD Subregion disable bits 8 8 TEX memory attribute 19 3 XN Instruction access disable bit 28 1 RBAR MPU_RBAR MPU region base address register 0xC 32 read-write n 0x0 0x0 ADDR Region base address field 5 27 REGION MPU region field 0 4 VALID MPU region number valid 4 1 RNR MPU_RNR MPU region number register 0x8 32 read-write n 0x0 0x0 REGION MPU region 0 8 TYPER MPU_TYPER MPU type register 0x0 32 read-only n 0x0 0x0 DREGION Number of MPU data regions 8 8 IREGION Number of MPU instruction regions 16 8 SEPARATE Separate flag 0 1 NVIC Nested Vectored Interrupt Controller NVIC 0x0 0x0 0x351 registers n IABR0 IABR0 Interrupt Active Bit Register 0x200 32 read-only n 0x0 0x0 ACTIVE ACTIVE 0 32 IABR1 IABR1 Interrupt Active Bit Register 0x204 32 read-only n 0x0 0x0 ACTIVE ACTIVE 0 32 IABR2 IABR2 Interrupt Active Bit Register 0x208 32 read-only n 0x0 0x0 ACTIVE ACTIVE 0 32 ICER0 ICER0 Interrupt Clear-Enable Register 0x80 32 read-write n 0x0 0x0 CLRENA CLRENA 0 32 ICER1 ICER1 Interrupt Clear-Enable Register 0x84 32 read-write n 0x0 0x0 CLRENA CLRENA 0 32 ICER2 ICER2 Interrupt Clear-Enable Register 0x88 32 read-write n 0x0 0x0 CLRENA CLRENA 0 32 ICPR0 ICPR0 Interrupt Clear-Pending Register 0x180 32 read-write n 0x0 0x0 CLRPEND CLRPEND 0 32 ICPR1 ICPR1 Interrupt Clear-Pending Register 0x184 32 read-write n 0x0 0x0 CLRPEND CLRPEND 0 32 ICPR2 ICPR2 Interrupt Clear-Pending Register 0x188 32 read-write n 0x0 0x0 CLRPEND CLRPEND 0 32 IPR0 IPR0 Interrupt Priority Register 0x300 32 read-write n 0x0 0x0 IPR_N0 IPR_N0 0 8 IPR_N1 IPR_N1 8 8 IPR_N2 IPR_N2 16 8 IPR_N3 IPR_N3 24 8 IPR1 IPR1 Interrupt Priority Register 0x304 32 read-write n 0x0 0x0 IPR_N0 IPR_N0 0 8 IPR_N1 IPR_N1 8 8 IPR_N2 IPR_N2 16 8 IPR_N3 IPR_N3 24 8 IPR10 IPR10 Interrupt Priority Register 0x328 32 read-write n 0x0 0x0 IPR_N0 IPR_N0 0 8 IPR_N1 IPR_N1 8 8 IPR_N2 IPR_N2 16 8 IPR_N3 IPR_N3 24 8 IPR11 IPR11 Interrupt Priority Register 0x32C 32 read-write n 0x0 0x0 IPR_N0 IPR_N0 0 8 IPR_N1 IPR_N1 8 8 IPR_N2 IPR_N2 16 8 IPR_N3 IPR_N3 24 8 IPR12 IPR12 Interrupt Priority Register 0x330 32 read-write n 0x0 0x0 IPR_N0 IPR_N0 0 8 IPR_N1 IPR_N1 8 8 IPR_N2 IPR_N2 16 8 IPR_N3 IPR_N3 24 8 IPR13 IPR13 Interrupt Priority Register 0x334 32 read-write n 0x0 0x0 IPR_N0 IPR_N0 0 8 IPR_N1 IPR_N1 8 8 IPR_N2 IPR_N2 16 8 IPR_N3 IPR_N3 24 8 IPR14 IPR14 Interrupt Priority Register 0x338 32 read-write n 0x0 0x0 IPR_N0 IPR_N0 0 8 IPR_N1 IPR_N1 8 8 IPR_N2 IPR_N2 16 8 IPR_N3 IPR_N3 24 8 IPR15 IPR15 Interrupt Priority Register 0x33C 32 read-write n 0x0 0x0 IPR_N0 IPR_N0 0 8 IPR_N1 IPR_N1 8 8 IPR_N2 IPR_N2 16 8 IPR_N3 IPR_N3 24 8 IPR16 IPR16 Interrupt Priority Register 0x340 32 read-write n 0x0 0x0 IPR_N0 IPR_N0 0 8 IPR_N1 IPR_N1 8 8 IPR_N2 IPR_N2 16 8 IPR_N3 IPR_N3 24 8 IPR17 IPR17 Interrupt Priority Register 0x344 32 read-write n 0x0 0x0 IPR_N0 IPR_N0 0 8 IPR_N1 IPR_N1 8 8 IPR_N2 IPR_N2 16 8 IPR_N3 IPR_N3 24 8 IPR18 IPR18 Interrupt Priority Register 0x348 32 read-write n 0x0 0x0 IPR_N0 IPR_N0 0 8 IPR_N1 IPR_N1 8 8 IPR_N2 IPR_N2 16 8 IPR_N3 IPR_N3 24 8 IPR19 IPR19 Interrupt Priority Register 0x34C 32 read-write n 0x0 0x0 IPR_N0 IPR_N0 0 8 IPR_N1 IPR_N1 8 8 IPR_N2 IPR_N2 16 8 IPR_N3 IPR_N3 24 8 IPR2 IPR2 Interrupt Priority Register 0x308 32 read-write n 0x0 0x0 IPR_N0 IPR_N0 0 8 IPR_N1 IPR_N1 8 8 IPR_N2 IPR_N2 16 8 IPR_N3 IPR_N3 24 8 IPR3 IPR3 Interrupt Priority Register 0x30C 32 read-write n 0x0 0x0 IPR_N0 IPR_N0 0 8 IPR_N1 IPR_N1 8 8 IPR_N2 IPR_N2 16 8 IPR_N3 IPR_N3 24 8 IPR4 IPR4 Interrupt Priority Register 0x310 32 read-write n 0x0 0x0 IPR_N0 IPR_N0 0 8 IPR_N1 IPR_N1 8 8 IPR_N2 IPR_N2 16 8 IPR_N3 IPR_N3 24 8 IPR5 IPR5 Interrupt Priority Register 0x314 32 read-write n 0x0 0x0 IPR_N0 IPR_N0 0 8 IPR_N1 IPR_N1 8 8 IPR_N2 IPR_N2 16 8 IPR_N3 IPR_N3 24 8 IPR6 IPR6 Interrupt Priority Register 0x318 32 read-write n 0x0 0x0 IPR_N0 IPR_N0 0 8 IPR_N1 IPR_N1 8 8 IPR_N2 IPR_N2 16 8 IPR_N3 IPR_N3 24 8 IPR7 IPR7 Interrupt Priority Register 0x31C 32 read-write n 0x0 0x0 IPR_N0 IPR_N0 0 8 IPR_N1 IPR_N1 8 8 IPR_N2 IPR_N2 16 8 IPR_N3 IPR_N3 24 8 IPR8 IPR8 Interrupt Priority Register 0x320 32 read-write n 0x0 0x0 IPR_N0 IPR_N0 0 8 IPR_N1 IPR_N1 8 8 IPR_N2 IPR_N2 16 8 IPR_N3 IPR_N3 24 8 IPR9 IPR9 Interrupt Priority Register 0x324 32 read-write n 0x0 0x0 IPR_N0 IPR_N0 0 8 IPR_N1 IPR_N1 8 8 IPR_N2 IPR_N2 16 8 IPR_N3 IPR_N3 24 8 ISER0 ISER0 Interrupt Set-Enable Register 0x0 32 read-write n 0x0 0x0 SETENA SETENA 0 32 ISER1 ISER1 Interrupt Set-Enable Register 0x4 32 read-write n 0x0 0x0 SETENA SETENA 0 32 ISER2 ISER2 Interrupt Set-Enable Register 0x8 32 read-write n 0x0 0x0 SETENA SETENA 0 32 ISPR0 ISPR0 Interrupt Set-Pending Register 0x100 32 read-write n 0x0 0x0 SETPEND SETPEND 0 32 ISPR1 ISPR1 Interrupt Set-Pending Register 0x104 32 read-write n 0x0 0x0 SETPEND SETPEND 0 32 ISPR2 ISPR2 Interrupt Set-Pending Register 0x108 32 read-write n 0x0 0x0 SETPEND SETPEND 0 32 NVIC_STIR Nested vectored interrupt controller NVIC 0x0 0x0 0x5 registers n STIR STIR Software trigger interrupt register 0x0 32 read-write n 0x0 0x0 INTID Software generated interrupt ID 0 9 OTG_FS_DEVICE USB on the go full speed USB_OTG_FS 0x0 0x0 0x400 registers n DIEPCTL1 DIEPCTL1 OTG device endpoint-1 control register 0x120 32 read-write n 0x0 0x0 CNAK CNAK 26 1 write-only EONUM_DPID EONUM/DPID 16 1 read-only EPDIS EPDIS 30 1 read-write EPENA EPENA 31 1 read-write EPTYP EPTYP 18 2 read-write MPSIZ MPSIZ 0 11 read-write NAKSTS NAKSTS 17 1 read-only SD0PID_SEVNFRM SD0PID/SEVNFRM 28 1 write-only SNAK SNAK 27 1 write-only SODDFRM_SD1PID SODDFRM/SD1PID 29 1 write-only Stall Stall 21 1 read-write TXFNUM TXFNUM 22 4 read-write USBAEP USBAEP 15 1 read-write DIEPCTL2 DIEPCTL2 OTG device endpoint-2 control register 0x140 32 read-write n 0x0 0x0 CNAK CNAK 26 1 write-only EONUM_DPID EONUM/DPID 16 1 read-only EPDIS EPDIS 30 1 read-write EPENA EPENA 31 1 read-write EPTYP EPTYP 18 2 read-write MPSIZ MPSIZ 0 11 read-write NAKSTS NAKSTS 17 1 read-only SD0PID_SEVNFRM SD0PID/SEVNFRM 28 1 write-only SNAK SNAK 27 1 write-only SODDFRM SODDFRM 29 1 write-only Stall Stall 21 1 read-write TXFNUM TXFNUM 22 4 read-write USBAEP USBAEP 15 1 read-write DIEPCTL3 DIEPCTL3 OTG device endpoint-3 control register 0x160 32 read-write n 0x0 0x0 CNAK CNAK 26 1 write-only EONUM_DPID EONUM/DPID 16 1 read-only EPDIS EPDIS 30 1 read-write EPENA EPENA 31 1 read-write EPTYP EPTYP 18 2 read-write MPSIZ MPSIZ 0 11 read-write NAKSTS NAKSTS 17 1 read-only SD0PID_SEVNFRM SD0PID/SEVNFRM 28 1 write-only SNAK SNAK 27 1 write-only SODDFRM SODDFRM 29 1 write-only Stall Stall 21 1 read-write TXFNUM TXFNUM 22 4 read-write USBAEP USBAEP 15 1 read-write DIEPEMPMSK DIEPEMPMSK OTG_FS device IN endpoint FIFO empty interrupt mask register 0x34 32 read-write n 0x0 0x0 INEPTXFEM IN EP Tx FIFO empty interrupt mask bits 0 16 DIEPINT0 DIEPINT0 device endpoint-x interrupt register 0x108 32 read-write n 0x0 0x0 EPDISD EPDISD 1 1 read-write INEPNE INEPNE 6 1 read-write ITTXFE ITTXFE 4 1 read-write TOC TOC 3 1 read-write TXFE TXFE 7 1 read-only XFRC XFRC 0 1 read-write DIEPINT1 DIEPINT1 device endpoint-1 interrupt register 0x128 32 read-write n 0x0 0x0 EPDISD EPDISD 1 1 read-write INEPNE INEPNE 6 1 read-write ITTXFE ITTXFE 4 1 read-write TOC TOC 3 1 read-write TXFE TXFE 7 1 read-only XFRC XFRC 0 1 read-write DIEPINT2 DIEPINT2 device endpoint-2 interrupt register 0x148 32 read-write n 0x0 0x0 EPDISD EPDISD 1 1 read-write INEPNE INEPNE 6 1 read-write ITTXFE ITTXFE 4 1 read-write TOC TOC 3 1 read-write TXFE TXFE 7 1 read-only XFRC XFRC 0 1 read-write DIEPINT3 DIEPINT3 device endpoint-3 interrupt register 0x168 32 read-write n 0x0 0x0 EPDISD EPDISD 1 1 read-write INEPNE INEPNE 6 1 read-write ITTXFE ITTXFE 4 1 read-write TOC TOC 3 1 read-write TXFE TXFE 7 1 read-only XFRC XFRC 0 1 read-write DIEPTSIZ0 DIEPTSIZ0 device endpoint-0 transfer size register 0x110 32 read-write n 0x0 0x0 PKTCNT Packet count 19 2 XFRSIZ Transfer size 0 7 DIEPTSIZ1 DIEPTSIZ1 device endpoint-1 transfer size register 0x130 32 read-write n 0x0 0x0 MCNT Multi count 29 2 PKTCNT Packet count 19 10 XFRSIZ Transfer size 0 19 DIEPTSIZ2 DIEPTSIZ2 device endpoint-2 transfer size register 0x150 32 read-write n 0x0 0x0 MCNT Multi count 29 2 PKTCNT Packet count 19 10 XFRSIZ Transfer size 0 19 DIEPTSIZ3 DIEPTSIZ3 device endpoint-3 transfer size register 0x170 32 read-write n 0x0 0x0 MCNT Multi count 29 2 PKTCNT Packet count 19 10 XFRSIZ Transfer size 0 19 DOEPCTL0 DOEPCTL0 device endpoint-0 control register 0x300 32 read-write n 0x0 0x0 CNAK CNAK 26 1 write-only EPDIS EPDIS 30 1 read-only EPENA EPENA 31 1 write-only EPTYP EPTYP 18 2 read-only MPSIZ MPSIZ 0 2 read-only NAKSTS NAKSTS 17 1 read-only SNAK SNAK 27 1 write-only SNPM SNPM 20 1 read-write Stall Stall 21 1 read-write USBAEP USBAEP 15 1 read-only DOEPCTL1 DOEPCTL1 device endpoint-1 control register 0x320 32 read-write n 0x0 0x0 CNAK CNAK 26 1 write-only EONUM_DPID EONUM/DPID 16 1 read-only EPDIS EPDIS 30 1 read-write EPENA EPENA 31 1 read-write EPTYP EPTYP 18 2 read-write MPSIZ MPSIZ 0 11 read-write NAKSTS NAKSTS 17 1 read-only SD0PID_SEVNFRM SD0PID/SEVNFRM 28 1 write-only SNAK SNAK 27 1 write-only SNPM SNPM 20 1 read-write SODDFRM SODDFRM 29 1 write-only Stall Stall 21 1 read-write USBAEP USBAEP 15 1 read-write DOEPCTL2 DOEPCTL2 device endpoint-2 control register 0x340 32 read-write n 0x0 0x0 CNAK CNAK 26 1 write-only EONUM_DPID EONUM/DPID 16 1 read-only EPDIS EPDIS 30 1 read-write EPENA EPENA 31 1 read-write EPTYP EPTYP 18 2 read-write MPSIZ MPSIZ 0 11 read-write NAKSTS NAKSTS 17 1 read-only SD0PID_SEVNFRM SD0PID/SEVNFRM 28 1 write-only SNAK SNAK 27 1 write-only SNPM SNPM 20 1 read-write SODDFRM SODDFRM 29 1 write-only Stall Stall 21 1 read-write USBAEP USBAEP 15 1 read-write DOEPCTL3 DOEPCTL3 device endpoint-3 control register 0x360 32 read-write n 0x0 0x0 CNAK CNAK 26 1 write-only EONUM_DPID EONUM/DPID 16 1 read-only EPDIS EPDIS 30 1 read-write EPENA EPENA 31 1 read-write EPTYP EPTYP 18 2 read-write MPSIZ MPSIZ 0 11 read-write NAKSTS NAKSTS 17 1 read-only SD0PID_SEVNFRM SD0PID/SEVNFRM 28 1 write-only SNAK SNAK 27 1 write-only SNPM SNPM 20 1 read-write SODDFRM SODDFRM 29 1 write-only Stall Stall 21 1 read-write USBAEP USBAEP 15 1 read-write DOEPINT0 DOEPINT0 device endpoint-0 interrupt register 0x308 32 read-write n 0x0 0x0 B2BSTUP B2BSTUP 6 1 EPDISD EPDISD 1 1 OTEPDIS OTEPDIS 4 1 STUP STUP 3 1 XFRC XFRC 0 1 DOEPINT1 DOEPINT1 device endpoint-1 interrupt register 0x328 32 read-write n 0x0 0x0 B2BSTUP B2BSTUP 6 1 EPDISD EPDISD 1 1 OTEPDIS OTEPDIS 4 1 STUP STUP 3 1 XFRC XFRC 0 1 DOEPINT2 DOEPINT2 device endpoint-2 interrupt register 0x348 32 read-write n 0x0 0x0 B2BSTUP B2BSTUP 6 1 EPDISD EPDISD 1 1 OTEPDIS OTEPDIS 4 1 STUP STUP 3 1 XFRC XFRC 0 1 DOEPINT3 DOEPINT3 device endpoint-3 interrupt register 0x368 32 read-write n 0x0 0x0 B2BSTUP B2BSTUP 6 1 EPDISD EPDISD 1 1 OTEPDIS OTEPDIS 4 1 STUP STUP 3 1 XFRC XFRC 0 1 DOEPTSIZ0 DOEPTSIZ0 device OUT endpoint-0 transfer size register 0x310 32 read-write n 0x0 0x0 PKTCNT Packet count 19 1 STUPCNT SETUP packet count 29 2 XFRSIZ Transfer size 0 7 DOEPTSIZ1 DOEPTSIZ1 device OUT endpoint-1 transfer size register 0x330 32 read-write n 0x0 0x0 PKTCNT Packet count 19 10 RXDPID_STUPCNT Received data PID/SETUP packet count 29 2 XFRSIZ Transfer size 0 19 DOEPTSIZ2 DOEPTSIZ2 device OUT endpoint-2 transfer size register 0x350 32 read-write n 0x0 0x0 PKTCNT Packet count 19 10 RXDPID_STUPCNT Received data PID/SETUP packet count 29 2 XFRSIZ Transfer size 0 19 DOEPTSIZ3 DOEPTSIZ3 device OUT endpoint-3 transfer size register 0x370 32 read-write n 0x0 0x0 PKTCNT Packet count 19 10 RXDPID_STUPCNT Received data PID/SETUP packet count 29 2 XFRSIZ Transfer size 0 19 DTXFSTS0 DTXFSTS0 OTG_FS device IN endpoint transmit FIFO status register 0x118 32 read-only n 0x0 0x0 INEPTFSAV IN endpoint TxFIFO space available 0 16 DTXFSTS1 DTXFSTS1 OTG_FS device IN endpoint transmit FIFO status register 0x138 32 read-only n 0x0 0x0 INEPTFSAV IN endpoint TxFIFO space available 0 16 DTXFSTS2 DTXFSTS2 OTG_FS device IN endpoint transmit FIFO status register 0x158 32 read-only n 0x0 0x0 INEPTFSAV IN endpoint TxFIFO space available 0 16 DTXFSTS3 DTXFSTS3 OTG_FS device IN endpoint transmit FIFO status register 0x178 32 read-only n 0x0 0x0 INEPTFSAV IN endpoint TxFIFO space available 0 16 DVBUSDIS DVBUSDIS OTG_FS device VBUS discharge time register 0x28 32 read-write n 0x0 0x0 VBUSDT Device VBUS discharge time 0 16 DVBUSPULSE DVBUSPULSE OTG_FS device VBUS pulsing time register 0x2C 32 read-write n 0x0 0x0 DVBUSP Device VBUS pulsing time 0 12 FS_DAINT FS_DAINT OTG_FS device all endpoints interrupt register (OTG_FS_DAINT) 0x18 32 read-only n 0x0 0x0 IEPINT IN endpoint interrupt bits 0 16 OEPINT OUT endpoint interrupt bits 16 16 FS_DAINTMSK FS_DAINTMSK OTG_FS all endpoints interrupt mask register (OTG_FS_DAINTMSK) 0x1C 32 read-write n 0x0 0x0 IEPM IN EP interrupt mask bits 0 16 OEPINT OUT endpoint interrupt bits 16 16 FS_DCFG FS_DCFG OTG_FS device configuration register (OTG_FS_DCFG) 0x0 32 read-write n 0x0 0x0 DAD Device address 4 7 DSPD Device speed 0 2 NZLSOHSK Non-zero-length status OUT handshake 2 1 PFIVL Periodic frame interval 11 2 FS_DCTL FS_DCTL OTG_FS device control register (OTG_FS_DCTL) 0x4 32 read-write n 0x0 0x0 CGINAK Clear global IN NAK 8 1 read-write CGONAK Clear global OUT NAK 10 1 read-write GINSTS Global IN NAK status 2 1 read-only GONSTS Global OUT NAK status 3 1 read-only POPRGDNE Power-on programming done 11 1 read-write RWUSIG Remote wakeup signaling 0 1 read-write SDIS Soft disconnect 1 1 read-write SGINAK Set global IN NAK 7 1 read-write SGONAK Set global OUT NAK 9 1 read-write TCTL Test control 4 3 read-write FS_DIEPCTL0 FS_DIEPCTL0 OTG_FS device control IN endpoint 0 control register (OTG_FS_DIEPCTL0) 0x100 32 read-write n 0x0 0x0 CNAK Clear NAK 26 1 write-only EPDIS Endpoint disable 30 1 read-only EPENA Endpoint enable 31 1 read-only EPTYP Endpoint type 18 2 read-only MPSIZ Maximum packet size 0 2 read-write NAKSTS NAK status 17 1 read-only SNAK Set NAK 27 1 write-only STALL STALL handshake 21 1 read-write TXFNUM TxFIFO number 22 4 read-write USBAEP USB active endpoint 15 1 read-only FS_DIEPMSK FS_DIEPMSK OTG_FS device IN endpoint common interrupt mask register (OTG_FS_DIEPMSK) 0x10 32 read-write n 0x0 0x0 EPDM Endpoint disabled interrupt mask 1 1 INEPNEM IN endpoint NAK effective mask 6 1 INEPNMM IN token received with EP mismatch mask 5 1 ITTXFEMSK IN token received when TxFIFO empty mask 4 1 TOM Timeout condition mask (Non-isochronous endpoints) 3 1 XFRCM Transfer completed interrupt mask 0 1 FS_DOEPMSK FS_DOEPMSK OTG_FS device OUT endpoint common interrupt mask register (OTG_FS_DOEPMSK) 0x14 32 read-write n 0x0 0x0 EPDM Endpoint disabled interrupt mask 1 1 OTEPDM OUT token received when endpoint disabled mask 4 1 STUPM SETUP phase done mask 3 1 XFRCM Transfer completed interrupt mask 0 1 FS_DSTS FS_DSTS OTG_FS device status register (OTG_FS_DSTS) 0x8 32 read-only n 0x0 0x0 EERR Erratic error 3 1 ENUMSPD Enumerated speed 1 2 FNSOF Frame number of the received SOF 8 14 SUSPSTS Suspend status 0 1 OTG_FS_GLOBAL USB on the go full speed USB_OTG_FS 0x0 0x0 0x400 registers n FS_CID FS_CID core ID register 0x3C 32 read-write n 0x0 0x0 PRODUCT_ID Product ID field 0 32 FS_DIEPTXF1 FS_DIEPTXF1 OTG_FS device IN endpoint transmit FIFO size register (OTG_FS_DIEPTXF2) 0x104 32 read-write n 0x0 0x0 INEPTXFD IN endpoint TxFIFO depth 16 16 INEPTXSA IN endpoint FIFO2 transmit RAM start address 0 16 FS_DIEPTXF2 FS_DIEPTXF2 OTG_FS device IN endpoint transmit FIFO size register (OTG_FS_DIEPTXF3) 0x108 32 read-write n 0x0 0x0 INEPTXFD IN endpoint TxFIFO depth 16 16 INEPTXSA IN endpoint FIFO3 transmit RAM start address 0 16 FS_DIEPTXF3 FS_DIEPTXF3 OTG_FS device IN endpoint transmit FIFO size register (OTG_FS_DIEPTXF4) 0x10C 32 read-write n 0x0 0x0 INEPTXFD IN endpoint TxFIFO depth 16 16 INEPTXSA IN endpoint FIFO4 transmit RAM start address 0 16 FS_GAHBCFG FS_GAHBCFG OTG_FS AHB configuration register (OTG_FS_GAHBCFG) 0x8 32 read-write n 0x0 0x0 GINT Global interrupt mask 0 1 PTXFELVL Periodic TxFIFO empty level 8 1 TXFELVL TxFIFO empty level 7 1 FS_GCCFG FS_GCCFG OTG_FS general core configuration register (OTG_FS_GCCFG) 0x38 32 read-write n 0x0 0x0 PWRDWN Power down 16 1 SOFOUTEN SOF output enable 20 1 VBUSASEN Enable the VBUS sensing device 18 1 VBUSBSEN Enable the VBUS sensing device 19 1 FS_GINTMSK FS_GINTMSK OTG_FS interrupt mask register (OTG_FS_GINTMSK) 0x18 32 read-write n 0x0 0x0 CIDSCHGM Connector ID status change mask 28 1 read-write DISCINT Disconnect detected interrupt mask 29 1 read-write ENUMDNEM Enumeration done mask 13 1 read-write EOPFM End of periodic frame interrupt mask 15 1 read-write EPMISM Endpoint mismatch interrupt mask 17 1 read-write ESUSPM Early suspend mask 10 1 read-write GINAKEFFM Global non-periodic IN NAK effective mask 6 1 read-write GONAKEFFM Global OUT NAK effective mask 7 1 read-write HCIM Host channels interrupt mask 25 1 read-write IEPINT IN endpoints interrupt mask 18 1 read-write IISOIXFRM Incomplete isochronous IN transfer mask 20 1 read-write IPXFRM_IISOOXFRM Incomplete periodic transfer mask(Host mode)/Incomplete isochronous OUT transfer mask(Device mode) 21 1 read-write ISOODRPM Isochronous OUT packet dropped interrupt mask 14 1 read-write MMISM Mode mismatch interrupt mask 1 1 read-write NPTXFEM Non-periodic TxFIFO empty mask 5 1 read-write OEPINT OUT endpoints interrupt mask 19 1 read-write OTGINT OTG interrupt mask 2 1 read-write PRTIM Host port interrupt mask 24 1 read-only PTXFEM Periodic TxFIFO empty mask 26 1 read-write RXFLVLM Receive FIFO non-empty mask 4 1 read-write SOFM Start of frame mask 3 1 read-write SRQIM Session request/new session detected interrupt mask 30 1 read-write USBRST USB reset mask 12 1 read-write USBSUSPM USB suspend mask 11 1 read-write WUIM Resume/remote wakeup detected interrupt mask 31 1 read-write FS_GINTSTS FS_GINTSTS OTG_FS core interrupt register (OTG_FS_GINTSTS) 0x14 32 read-write n 0x0 0x0 CIDSCHG Connector ID status change 28 1 read-write CMOD Current mode of operation 0 1 read-only DISCINT Disconnect detected interrupt 29 1 read-write ENUMDNE Enumeration done 13 1 read-write EOPF End of periodic frame interrupt 15 1 read-write ESUSP Early suspend 10 1 read-write GINAKEFF Global IN non-periodic NAK effective 6 1 read-only GOUTNAKEFF Global OUT NAK effective 7 1 read-only HCINT Host channels interrupt 25 1 read-only HPRTINT Host port interrupt 24 1 read-only IEPINT IN endpoint interrupt 18 1 read-only IISOIXFR Incomplete isochronous IN transfer 20 1 read-write IPXFR_INCOMPISOOUT Incomplete periodic transfer(Host mode)/Incomplete isochronous OUT transfer(Device mode) 21 1 read-write ISOODRP Isochronous OUT packet dropped interrupt 14 1 read-write MMIS Mode mismatch interrupt 1 1 read-write NPTXFE Non-periodic TxFIFO empty 5 1 read-only OEPINT OUT endpoint interrupt 19 1 read-only OTGINT OTG interrupt 2 1 read-only PTXFE Periodic TxFIFO empty 26 1 read-only RXFLVL RxFIFO non-empty 4 1 read-only SOF Start of frame 3 1 read-write SRQINT Session request/new session detected interrupt 30 1 read-write USBRST USB reset 12 1 read-write USBSUSP USB suspend 11 1 read-write WKUPINT Resume/remote wakeup detected interrupt 31 1 read-write FS_GNPTXFSIZ_Device FS_GNPTXFSIZ_Device OTG_FS non-periodic transmit FIFO size register (Device mode) 0x28 32 read-write n 0x0 0x0 TX0FD Endpoint 0 TxFIFO depth 16 16 TX0FSA Endpoint 0 transmit RAM start address 0 16 FS_GNPTXFSIZ_Host FS_GNPTXFSIZ_Host OTG_FS non-periodic transmit FIFO size register (Host mode) FS_GNPTXFSIZ_Device 0x28 32 read-write n 0x0 0x0 NPTXFD Non-periodic TxFIFO depth 16 16 NPTXFSA Non-periodic transmit RAM start address 0 16 FS_GNPTXSTS FS_GNPTXSTS OTG_FS non-periodic transmit FIFO/queue status register (OTG_FS_GNPTXSTS) 0x2C 32 read-only n 0x0 0x0 NPTQXSAV Non-periodic transmit request queue space available 16 8 NPTXFSAV Non-periodic TxFIFO space available 0 16 NPTXQTOP Top of the non-periodic transmit request queue 24 7 FS_GOTGCTL FS_GOTGCTL OTG_FS control and status register (OTG_FS_GOTGCTL) 0x0 32 read-write n 0x0 0x0 ASVLD A-session valid 18 1 read-only BSVLD B-session valid 19 1 read-only CIDSTS Connector ID status 16 1 read-only DBCT Long/short debounce time 17 1 read-only DHNPEN Device HNP enabled 11 1 read-write HNGSCS Host negotiation success 8 1 read-only HNPRQ HNP request 9 1 read-write HSHNPEN Host set HNP enable 10 1 read-write SRQ Session request 1 1 read-write SRQSCS Session request success 0 1 read-only FS_GOTGINT FS_GOTGINT OTG_FS interrupt register (OTG_FS_GOTGINT) 0x4 32 read-write n 0x0 0x0 ADTOCHG A-device timeout change 18 1 DBCDNE Debounce done 19 1 HNGDET Host negotiation detected 17 1 HNSSCHG Host negotiation success status change 9 1 SEDET Session end detected 2 1 SRSSCHG Session request success status change 8 1 FS_GRSTCTL FS_GRSTCTL OTG_FS reset register (OTG_FS_GRSTCTL) 0x10 32 read-write n 0x0 0x0 AHBIDL AHB master idle 31 1 read-only CSRST Core soft reset 0 1 read-write FCRST Host frame counter reset 2 1 read-write HSRST HCLK soft reset 1 1 read-write RXFFLSH RxFIFO flush 4 1 read-write TXFFLSH TxFIFO flush 5 1 read-write TXFNUM TxFIFO number 6 5 read-write FS_GRXFSIZ FS_GRXFSIZ OTG_FS Receive FIFO size register (OTG_FS_GRXFSIZ) 0x24 32 read-write n 0x0 0x0 RXFD RxFIFO depth 0 16 FS_GRXSTSR_Device FS_GRXSTSR_Device OTG_FS Receive status debug read(Device mode) 0x1C 32 read-only n 0x0 0x0 BCNT Byte count 4 11 DPID Data PID 15 2 EPNUM Endpoint number 0 4 FRMNUM Frame number 21 4 PKTSTS Packet status 17 4 FS_GRXSTSR_Host FS_GRXSTSR_Host OTG_FS Receive status debug read(Host mode) FS_GRXSTSR_Device 0x1C 32 read-only n 0x0 0x0 BCNT Byte count 4 11 DPID Data PID 15 2 EPNUM Endpoint number 0 4 FRMNUM Frame number 21 4 PKTSTS Packet status 17 4 FS_GUSBCFG FS_GUSBCFG OTG_FS USB configuration register (OTG_FS_GUSBCFG) 0xC 32 read-write n 0x0 0x0 CTXPKT Corrupt Tx packet 31 1 read-write FDMOD Force device mode 30 1 read-write FHMOD Force host mode 29 1 read-write HNPCAP HNP-capable 9 1 read-write PHYSEL Full Speed serial transceiver select 6 1 write-only SRPCAP SRP-capable 8 1 read-write TOCAL FS timeout calibration 0 3 read-write TRDT USB turnaround time 10 4 read-write FS_HPTXFSIZ FS_HPTXFSIZ OTG_FS Host periodic transmit FIFO size register (OTG_FS_HPTXFSIZ) 0x100 32 read-write n 0x0 0x0 PTXFSIZ Host periodic TxFIFO depth 16 16 PTXSA Host periodic TxFIFO start address 0 16 OTG_FS_HOST USB on the go full speed USB_OTG_FS 0x0 0x0 0x400 registers n FS_HCCHAR0 FS_HCCHAR0 OTG_FS host channel-0 characteristics register (OTG_FS_HCCHAR0) 0x100 32 read-write n 0x0 0x0 CHDIS Channel disable 30 1 CHENA Channel enable 31 1 DAD Device address 22 7 EPDIR Endpoint direction 15 1 EPNUM Endpoint number 11 4 EPTYP Endpoint type 18 2 LSDEV Low-speed device 17 1 MCNT Multicount 20 2 MPSIZ Maximum packet size 0 11 ODDFRM Odd frame 29 1 FS_HCCHAR1 FS_HCCHAR1 OTG_FS host channel-1 characteristics register (OTG_FS_HCCHAR1) 0x120 32 read-write n 0x0 0x0 CHDIS Channel disable 30 1 CHENA Channel enable 31 1 DAD Device address 22 7 EPDIR Endpoint direction 15 1 EPNUM Endpoint number 11 4 EPTYP Endpoint type 18 2 LSDEV Low-speed device 17 1 MCNT Multicount 20 2 MPSIZ Maximum packet size 0 11 ODDFRM Odd frame 29 1 FS_HCCHAR2 FS_HCCHAR2 OTG_FS host channel-2 characteristics register (OTG_FS_HCCHAR2) 0x140 32 read-write n 0x0 0x0 CHDIS Channel disable 30 1 CHENA Channel enable 31 1 DAD Device address 22 7 EPDIR Endpoint direction 15 1 EPNUM Endpoint number 11 4 EPTYP Endpoint type 18 2 LSDEV Low-speed device 17 1 MCNT Multicount 20 2 MPSIZ Maximum packet size 0 11 ODDFRM Odd frame 29 1 FS_HCCHAR3 FS_HCCHAR3 OTG_FS host channel-3 characteristics register (OTG_FS_HCCHAR3) 0x160 32 read-write n 0x0 0x0 CHDIS Channel disable 30 1 CHENA Channel enable 31 1 DAD Device address 22 7 EPDIR Endpoint direction 15 1 EPNUM Endpoint number 11 4 EPTYP Endpoint type 18 2 LSDEV Low-speed device 17 1 MCNT Multicount 20 2 MPSIZ Maximum packet size 0 11 ODDFRM Odd frame 29 1 FS_HCCHAR4 FS_HCCHAR4 OTG_FS host channel-4 characteristics register (OTG_FS_HCCHAR4) 0x180 32 read-write n 0x0 0x0 CHDIS Channel disable 30 1 CHENA Channel enable 31 1 DAD Device address 22 7 EPDIR Endpoint direction 15 1 EPNUM Endpoint number 11 4 EPTYP Endpoint type 18 2 LSDEV Low-speed device 17 1 MCNT Multicount 20 2 MPSIZ Maximum packet size 0 11 ODDFRM Odd frame 29 1 FS_HCCHAR5 FS_HCCHAR5 OTG_FS host channel-5 characteristics register (OTG_FS_HCCHAR5) 0x1A0 32 read-write n 0x0 0x0 CHDIS Channel disable 30 1 CHENA Channel enable 31 1 DAD Device address 22 7 EPDIR Endpoint direction 15 1 EPNUM Endpoint number 11 4 EPTYP Endpoint type 18 2 LSDEV Low-speed device 17 1 MCNT Multicount 20 2 MPSIZ Maximum packet size 0 11 ODDFRM Odd frame 29 1 FS_HCCHAR6 FS_HCCHAR6 OTG_FS host channel-6 characteristics register (OTG_FS_HCCHAR6) 0x1C0 32 read-write n 0x0 0x0 CHDIS Channel disable 30 1 CHENA Channel enable 31 1 DAD Device address 22 7 EPDIR Endpoint direction 15 1 EPNUM Endpoint number 11 4 EPTYP Endpoint type 18 2 LSDEV Low-speed device 17 1 MCNT Multicount 20 2 MPSIZ Maximum packet size 0 11 ODDFRM Odd frame 29 1 FS_HCCHAR7 FS_HCCHAR7 OTG_FS host channel-7 characteristics register (OTG_FS_HCCHAR7) 0x1E0 32 read-write n 0x0 0x0 CHDIS Channel disable 30 1 CHENA Channel enable 31 1 DAD Device address 22 7 EPDIR Endpoint direction 15 1 EPNUM Endpoint number 11 4 EPTYP Endpoint type 18 2 LSDEV Low-speed device 17 1 MCNT Multicount 20 2 MPSIZ Maximum packet size 0 11 ODDFRM Odd frame 29 1 FS_HCFG FS_HCFG OTG_FS host configuration register (OTG_FS_HCFG) 0x0 32 read-write n 0x0 0x0 FSLSPCS FS/LS PHY clock select 0 2 read-write FSLSS FS- and LS-only support 2 1 read-only FS_HCINT0 FS_HCINT0 OTG_FS host channel-0 interrupt register (OTG_FS_HCINT0) 0x108 32 read-write n 0x0 0x0 ACK ACK response received/transmitted interrupt 5 1 BBERR Babble error 8 1 CHH Channel halted 1 1 DTERR Data toggle error 10 1 FRMOR Frame overrun 9 1 NAK NAK response received interrupt 4 1 STALL STALL response received interrupt 3 1 TXERR Transaction error 7 1 XFRC Transfer completed 0 1 FS_HCINT1 FS_HCINT1 OTG_FS host channel-1 interrupt register (OTG_FS_HCINT1) 0x128 32 read-write n 0x0 0x0 ACK ACK response received/transmitted interrupt 5 1 BBERR Babble error 8 1 CHH Channel halted 1 1 DTERR Data toggle error 10 1 FRMOR Frame overrun 9 1 NAK NAK response received interrupt 4 1 STALL STALL response received interrupt 3 1 TXERR Transaction error 7 1 XFRC Transfer completed 0 1 FS_HCINT2 FS_HCINT2 OTG_FS host channel-2 interrupt register (OTG_FS_HCINT2) 0x148 32 read-write n 0x0 0x0 ACK ACK response received/transmitted interrupt 5 1 BBERR Babble error 8 1 CHH Channel halted 1 1 DTERR Data toggle error 10 1 FRMOR Frame overrun 9 1 NAK NAK response received interrupt 4 1 STALL STALL response received interrupt 3 1 TXERR Transaction error 7 1 XFRC Transfer completed 0 1 FS_HCINT3 FS_HCINT3 OTG_FS host channel-3 interrupt register (OTG_FS_HCINT3) 0x168 32 read-write n 0x0 0x0 ACK ACK response received/transmitted interrupt 5 1 BBERR Babble error 8 1 CHH Channel halted 1 1 DTERR Data toggle error 10 1 FRMOR Frame overrun 9 1 NAK NAK response received interrupt 4 1 STALL STALL response received interrupt 3 1 TXERR Transaction error 7 1 XFRC Transfer completed 0 1 FS_HCINT4 FS_HCINT4 OTG_FS host channel-4 interrupt register (OTG_FS_HCINT4) 0x188 32 read-write n 0x0 0x0 ACK ACK response received/transmitted interrupt 5 1 BBERR Babble error 8 1 CHH Channel halted 1 1 DTERR Data toggle error 10 1 FRMOR Frame overrun 9 1 NAK NAK response received interrupt 4 1 STALL STALL response received interrupt 3 1 TXERR Transaction error 7 1 XFRC Transfer completed 0 1 FS_HCINT5 FS_HCINT5 OTG_FS host channel-5 interrupt register (OTG_FS_HCINT5) 0x1A8 32 read-write n 0x0 0x0 ACK ACK response received/transmitted interrupt 5 1 BBERR Babble error 8 1 CHH Channel halted 1 1 DTERR Data toggle error 10 1 FRMOR Frame overrun 9 1 NAK NAK response received interrupt 4 1 STALL STALL response received interrupt 3 1 TXERR Transaction error 7 1 XFRC Transfer completed 0 1 FS_HCINT6 FS_HCINT6 OTG_FS host channel-6 interrupt register (OTG_FS_HCINT6) 0x1C8 32 read-write n 0x0 0x0 ACK ACK response received/transmitted interrupt 5 1 BBERR Babble error 8 1 CHH Channel halted 1 1 DTERR Data toggle error 10 1 FRMOR Frame overrun 9 1 NAK NAK response received interrupt 4 1 STALL STALL response received interrupt 3 1 TXERR Transaction error 7 1 XFRC Transfer completed 0 1 FS_HCINT7 FS_HCINT7 OTG_FS host channel-7 interrupt register (OTG_FS_HCINT7) 0x1E8 32 read-write n 0x0 0x0 ACK ACK response received/transmitted interrupt 5 1 BBERR Babble error 8 1 CHH Channel halted 1 1 DTERR Data toggle error 10 1 FRMOR Frame overrun 9 1 NAK NAK response received interrupt 4 1 STALL STALL response received interrupt 3 1 TXERR Transaction error 7 1 XFRC Transfer completed 0 1 FS_HCINTMSK0 FS_HCINTMSK0 OTG_FS host channel-0 mask register (OTG_FS_HCINTMSK0) 0x10C 32 read-write n 0x0 0x0 ACKM ACK response received/transmitted interrupt mask 5 1 BBERRM Babble error mask 8 1 CHHM Channel halted mask 1 1 DTERRM Data toggle error mask 10 1 FRMORM Frame overrun mask 9 1 NAKM NAK response received interrupt mask 4 1 NYET response received interrupt mask 6 1 STALLM STALL response received interrupt mask 3 1 TXERRM Transaction error mask 7 1 XFRCM Transfer completed mask 0 1 FS_HCINTMSK1 FS_HCINTMSK1 OTG_FS host channel-1 mask register (OTG_FS_HCINTMSK1) 0x12C 32 read-write n 0x0 0x0 ACKM ACK response received/transmitted interrupt mask 5 1 BBERRM Babble error mask 8 1 CHHM Channel halted mask 1 1 DTERRM Data toggle error mask 10 1 FRMORM Frame overrun mask 9 1 NAKM NAK response received interrupt mask 4 1 NYET response received interrupt mask 6 1 STALLM STALL response received interrupt mask 3 1 TXERRM Transaction error mask 7 1 XFRCM Transfer completed mask 0 1 FS_HCINTMSK2 FS_HCINTMSK2 OTG_FS host channel-2 mask register (OTG_FS_HCINTMSK2) 0x14C 32 read-write n 0x0 0x0 ACKM ACK response received/transmitted interrupt mask 5 1 BBERRM Babble error mask 8 1 CHHM Channel halted mask 1 1 DTERRM Data toggle error mask 10 1 FRMORM Frame overrun mask 9 1 NAKM NAK response received interrupt mask 4 1 NYET response received interrupt mask 6 1 STALLM STALL response received interrupt mask 3 1 TXERRM Transaction error mask 7 1 XFRCM Transfer completed mask 0 1 FS_HCINTMSK3 FS_HCINTMSK3 OTG_FS host channel-3 mask register (OTG_FS_HCINTMSK3) 0x16C 32 read-write n 0x0 0x0 ACKM ACK response received/transmitted interrupt mask 5 1 BBERRM Babble error mask 8 1 CHHM Channel halted mask 1 1 DTERRM Data toggle error mask 10 1 FRMORM Frame overrun mask 9 1 NAKM NAK response received interrupt mask 4 1 NYET response received interrupt mask 6 1 STALLM STALL response received interrupt mask 3 1 TXERRM Transaction error mask 7 1 XFRCM Transfer completed mask 0 1 FS_HCINTMSK4 FS_HCINTMSK4 OTG_FS host channel-4 mask register (OTG_FS_HCINTMSK4) 0x18C 32 read-write n 0x0 0x0 ACKM ACK response received/transmitted interrupt mask 5 1 BBERRM Babble error mask 8 1 CHHM Channel halted mask 1 1 DTERRM Data toggle error mask 10 1 FRMORM Frame overrun mask 9 1 NAKM NAK response received interrupt mask 4 1 NYET response received interrupt mask 6 1 STALLM STALL response received interrupt mask 3 1 TXERRM Transaction error mask 7 1 XFRCM Transfer completed mask 0 1 FS_HCINTMSK5 FS_HCINTMSK5 OTG_FS host channel-5 mask register (OTG_FS_HCINTMSK5) 0x1AC 32 read-write n 0x0 0x0 ACKM ACK response received/transmitted interrupt mask 5 1 BBERRM Babble error mask 8 1 CHHM Channel halted mask 1 1 DTERRM Data toggle error mask 10 1 FRMORM Frame overrun mask 9 1 NAKM NAK response received interrupt mask 4 1 NYET response received interrupt mask 6 1 STALLM STALL response received interrupt mask 3 1 TXERRM Transaction error mask 7 1 XFRCM Transfer completed mask 0 1 FS_HCINTMSK6 FS_HCINTMSK6 OTG_FS host channel-6 mask register (OTG_FS_HCINTMSK6) 0x1CC 32 read-write n 0x0 0x0 ACKM ACK response received/transmitted interrupt mask 5 1 BBERRM Babble error mask 8 1 CHHM Channel halted mask 1 1 DTERRM Data toggle error mask 10 1 FRMORM Frame overrun mask 9 1 NAKM NAK response received interrupt mask 4 1 NYET response received interrupt mask 6 1 STALLM STALL response received interrupt mask 3 1 TXERRM Transaction error mask 7 1 XFRCM Transfer completed mask 0 1 FS_HCINTMSK7 FS_HCINTMSK7 OTG_FS host channel-7 mask register (OTG_FS_HCINTMSK7) 0x1EC 32 read-write n 0x0 0x0 ACKM ACK response received/transmitted interrupt mask 5 1 BBERRM Babble error mask 8 1 CHHM Channel halted mask 1 1 DTERRM Data toggle error mask 10 1 FRMORM Frame overrun mask 9 1 NAKM NAK response received interrupt mask 4 1 NYET response received interrupt mask 6 1 STALLM STALL response received interrupt mask 3 1 TXERRM Transaction error mask 7 1 XFRCM Transfer completed mask 0 1 FS_HCTSIZ0 FS_HCTSIZ0 OTG_FS host channel-0 transfer size register 0x110 32 read-write n 0x0 0x0 DPID Data PID 29 2 PKTCNT Packet count 19 10 XFRSIZ Transfer size 0 19 FS_HCTSIZ1 FS_HCTSIZ1 OTG_FS host channel-1 transfer size register 0x130 32 read-write n 0x0 0x0 DPID Data PID 29 2 PKTCNT Packet count 19 10 XFRSIZ Transfer size 0 19 FS_HCTSIZ2 FS_HCTSIZ2 OTG_FS host channel-2 transfer size register 0x150 32 read-write n 0x0 0x0 DPID Data PID 29 2 PKTCNT Packet count 19 10 XFRSIZ Transfer size 0 19 FS_HCTSIZ3 FS_HCTSIZ3 OTG_FS host channel-3 transfer size register 0x170 32 read-write n 0x0 0x0 DPID Data PID 29 2 PKTCNT Packet count 19 10 XFRSIZ Transfer size 0 19 FS_HCTSIZ4 FS_HCTSIZ4 OTG_FS host channel-x transfer size register 0x190 32 read-write n 0x0 0x0 DPID Data PID 29 2 PKTCNT Packet count 19 10 XFRSIZ Transfer size 0 19 FS_HCTSIZ5 FS_HCTSIZ5 OTG_FS host channel-5 transfer size register 0x1B0 32 read-write n 0x0 0x0 DPID Data PID 29 2 PKTCNT Packet count 19 10 XFRSIZ Transfer size 0 19 FS_HCTSIZ6 FS_HCTSIZ6 OTG_FS host channel-6 transfer size register 0x1D0 32 read-write n 0x0 0x0 DPID Data PID 29 2 PKTCNT Packet count 19 10 XFRSIZ Transfer size 0 19 FS_HCTSIZ7 FS_HCTSIZ7 OTG_FS host channel-7 transfer size register 0x1F0 32 read-write n 0x0 0x0 DPID Data PID 29 2 PKTCNT Packet count 19 10 XFRSIZ Transfer size 0 19 FS_HFNUM FS_HFNUM OTG_FS host frame number/frame time remaining register (OTG_FS_HFNUM) 0x8 32 read-only n 0x0 0x0 FRNUM Frame number 0 16 FTREM Frame time remaining 16 16 FS_HPRT FS_HPRT OTG_FS host port control and status register (OTG_FS_HPRT) 0x40 32 read-write n 0x0 0x0 PCDET Port connect detected 1 1 read-write PCSTS Port connect status 0 1 read-only PENA Port enable 2 1 read-write PENCHNG Port enable/disable change 3 1 read-write PLSTS Port line status 10 2 read-only POCA Port overcurrent active 4 1 read-only POCCHNG Port overcurrent change 5 1 read-write PPWR Port power 12 1 read-write PRES Port resume 6 1 read-write PRST Port reset 8 1 read-write PSPD Port speed 17 2 read-only PSUSP Port suspend 7 1 read-write PTCTL Port test control 13 4 read-write FS_HPTXSTS FS_HPTXSTS OTG_FS_Host periodic transmit FIFO/queue status register (OTG_FS_HPTXSTS) 0x10 32 read-write n 0x0 0x0 PTXFSAVL Periodic transmit data FIFO space available 0 16 read-write PTXQSAV Periodic transmit request queue space available 16 8 read-only PTXQTOP Top of the periodic transmit request queue 24 8 read-only HAINT HAINT OTG_FS Host all channels interrupt register 0x14 32 read-only n 0x0 0x0 HAINT Channel interrupts 0 16 HAINTMSK HAINTMSK OTG_FS host all channels interrupt mask register 0x18 32 read-write n 0x0 0x0 HAINTM Channel interrupt mask 0 16 HFIR HFIR OTG_FS Host frame interval register 0x4 32 read-write n 0x0 0x0 FRIVL Frame interval 0 16 OTG_FS_PWRCLK USB on the go full speed USB_OTG_FS 0x0 0x0 0x400 registers n FS_PCGCCTL FS_PCGCCTL OTG_FS power and clock gating control register 0x0 32 read-write n 0x0 0x0 GATEHCLK Gate HCLK 1 1 PHYSUSP PHY Suspended 4 1 STPPCLK Stop PHY clock 0 1 PWR Power control PWR 0x0 0x0 0x400 registers n CR CR power control register 0x0 32 read-write n 0x0 0x0 ADCDC1 ADCDC1 13 1 CSBF Clear standby flag 3 1 CWUF Clear wakeup flag 2 1 DBP Disable backup domain write protection 8 1 FPDS Flash power down in Stop mode 9 1 LPDS Low-power deep sleep 0 1 PDDS Power down deepsleep 1 1 PLS PVD level selection 5 3 PVDE Power voltage detector enable 4 1 VOS Regulator voltage scaling output selection 14 2 CSR CSR power control/status register 0x4 32 read-write n 0x0 0x0 BRE Backup regulator enable 9 1 read-write BRR Backup regulator ready 3 1 read-only EWUP Enable WKUP pin 8 1 read-write PVDO PVD output 2 1 read-only SBF Standby flag 1 1 read-only VOSRDY Regulator voltage scaling output selection ready bit 14 1 read-write WUF Wakeup flag 0 1 read-only RCC Reset and clock control RCC 0x0 0x0 0x400 registers n I2C1_EV I2C1 event interrupt 31 I2C1_ER I2C1 error interrupt 32 AHB1ENR AHB1ENR AHB1 peripheral clock register 0x30 32 read-write n 0x0 0x0 CRCEN CRC clock enable 12 1 DMA1EN DMA1 clock enable 21 1 DMA2EN DMA2 clock enable 22 1 GPIOAEN IO port A clock enable 0 1 GPIOBEN IO port B clock enable 1 1 GPIOCEN IO port C clock enable 2 1 GPIODEN IO port D clock enable 3 1 GPIOEEN IO port E clock enable 4 1 GPIOHEN IO port H clock enable 7 1 AHB1LPENR AHB1LPENR AHB1 peripheral clock enable in low power mode register 0x50 32 read-write n 0x0 0x0 CRCLPEN CRC clock enable during Sleep mode 12 1 DMA1LPEN DMA1 clock enable during Sleep mode 21 1 DMA2LPEN DMA2 clock enable during Sleep mode 22 1 FLITFLPEN Flash interface clock enable during Sleep mode 15 1 GPIOALPEN IO port A clock enable during sleep mode 0 1 GPIOBLPEN IO port B clock enable during Sleep mode 1 1 GPIOCLPEN IO port C clock enable during Sleep mode 2 1 GPIODLPEN IO port D clock enable during Sleep mode 3 1 GPIOELPEN IO port E clock enable during Sleep mode 4 1 GPIOHLPEN IO port H clock enable during Sleep mode 7 1 SRAM1LPEN SRAM 1interface clock enable during Sleep mode 16 1 AHB1RSTR AHB1RSTR AHB1 peripheral reset register 0x10 32 read-write n 0x0 0x0 CRCRST CRC reset 12 1 DMA1RST DMA2 reset 21 1 DMA2RST DMA2 reset 22 1 GPIOARST IO port A reset 0 1 GPIOBRST IO port B reset 1 1 GPIOCRST IO port C reset 2 1 GPIODRST IO port D reset 3 1 GPIOERST IO port E reset 4 1 GPIOHRST IO port H reset 7 1 AHB2ENR AHB2ENR AHB2 peripheral clock enable register 0x34 32 read-write n 0x0 0x0 OTGFSEN USB OTG FS clock enable 7 1 AHB2LPENR AHB2LPENR AHB2 peripheral clock enable in low power mode register 0x54 32 read-write n 0x0 0x0 OTGFSLPEN USB OTG FS clock enable during Sleep mode 7 1 AHB2RSTR AHB2RSTR AHB2 peripheral reset register 0x14 32 read-write n 0x0 0x0 OTGFSRST USB OTG FS module reset 7 1 APB1ENR APB1ENR APB1 peripheral clock enable register 0x40 32 read-write n 0x0 0x0 I2C1EN I2C1 clock enable 21 1 I2C2EN I2C2 clock enable 22 1 I2C3EN I2C3 clock enable 23 1 PWREN Power interface clock enable 28 1 SPI2EN SPI2 clock enable 14 1 SPI3EN SPI3 clock enable 15 1 TIM2EN TIM2 clock enable 0 1 TIM3EN TIM3 clock enable 1 1 TIM4EN TIM4 clock enable 2 1 TIM5EN TIM5 clock enable 3 1 USART2EN USART 2 clock enable 17 1 WWDGEN Window watchdog clock enable 11 1 APB1LPENR APB1LPENR APB1 peripheral clock enable in low power mode register 0x60 32 read-write n 0x0 0x0 I2C1LPEN I2C1 clock enable during Sleep mode 21 1 I2C2LPEN I2C2 clock enable during Sleep mode 22 1 I2C3LPEN I2C3 clock enable during Sleep mode 23 1 PWRLPEN Power interface clock enable during Sleep mode 28 1 SPI2LPEN SPI2 clock enable during Sleep mode 14 1 SPI3LPEN SPI3 clock enable during Sleep mode 15 1 TIM2LPEN TIM2 clock enable during Sleep mode 0 1 TIM3LPEN TIM3 clock enable during Sleep mode 1 1 TIM4LPEN TIM4 clock enable during Sleep mode 2 1 TIM5LPEN TIM5 clock enable during Sleep mode 3 1 USART2LPEN USART2 clock enable during Sleep mode 17 1 WWDGLPEN Window watchdog clock enable during Sleep mode 11 1 APB1RSTR APB1RSTR APB1 peripheral reset register 0x20 32 read-write n 0x0 0x0 I2C1RST I2C 1 reset 21 1 I2C2RST I2C 2 reset 22 1 I2C3RST I2C3 reset 23 1 PWRRST Power interface reset 28 1 SPI2RST SPI 2 reset 14 1 SPI3RST SPI 3 reset 15 1 TIM2RST TIM2 reset 0 1 TIM3RST TIM3 reset 1 1 TIM4RST TIM4 reset 2 1 TIM5RST TIM5 reset 3 1 UART2RST USART 2 reset 17 1 WWDGRST Window watchdog reset 11 1 APB2ENR APB2ENR APB2 peripheral clock enable register 0x44 32 read-write n 0x0 0x0 ADC1EN ADC1 clock enable 8 1 SDIOEN SDIO clock enable 11 1 SPI1EN SPI1 clock enable 12 1 SPI4EN SPI4 clock enable 13 1 SYSCFGEN System configuration controller clock enable 14 1 TIM10EN TIM10 clock enable 17 1 TIM11EN TIM11 clock enable 18 1 TIM1EN TIM1 clock enable 0 1 TIM9EN TIM9 clock enable 16 1 USART1EN USART1 clock enable 4 1 USART6EN USART6 clock enable 5 1 APB2LPENR APB2LPENR APB2 peripheral clock enabled in low power mode register 0x64 32 read-write n 0x0 0x0 ADC1LPEN ADC1 clock enable during Sleep mode 8 1 SDIOLPEN SDIO clock enable during Sleep mode 11 1 SPI1LPEN SPI 1 clock enable during Sleep mode 12 1 SPI4LPEN SPI4 clock enable during Sleep mode 13 1 SYSCFGLPEN System configuration controller clock enable during Sleep mode 14 1 TIM10LPEN TIM10 clock enable during Sleep mode 17 1 TIM11LPEN TIM11 clock enable during Sleep mode 18 1 TIM1LPEN TIM1 clock enable during Sleep mode 0 1 TIM9LPEN TIM9 clock enable during sleep mode 16 1 USART1LPEN USART1 clock enable during Sleep mode 4 1 USART6LPEN USART6 clock enable during Sleep mode 5 1 APB2RSTR APB2RSTR APB2 peripheral reset register 0x24 32 read-write n 0x0 0x0 ADCRST ADC interface reset (common to all ADCs) 8 1 SDIORST SDIO reset 11 1 SPI1RST SPI 1 reset 12 1 SYSCFGRST System configuration controller reset 14 1 TIM10RST TIM10 reset 17 1 TIM11RST TIM11 reset 18 1 TIM1RST TIM1 reset 0 1 TIM9RST TIM9 reset 16 1 USART1RST USART1 reset 4 1 USART6RST USART6 reset 5 1 BDCR BDCR Backup domain control register 0x70 32 read-write n 0x0 0x0 BDRST Backup domain software reset 16 1 read-write LSEBYP External low-speed oscillator bypass 2 1 read-write LSEON External low-speed oscillator enable 0 1 read-write LSERDY External low-speed oscillator ready 1 1 read-only RTCEN RTC clock enable 15 1 read-write RTCSEL0 RTC clock source selection 8 1 read-write RTCSEL1 RTC clock source selection 9 1 read-write CFGR CFGR clock configuration register 0x8 32 read-write n 0x0 0x0 HPRE AHB prescaler 4 4 read-write I2SSRC I2S clock selection 23 1 read-write MCO1 Microcontroller clock output 1 21 2 read-write MCO1PRE MCO1 prescaler 24 3 read-write MCO2 Microcontroller clock output 2 30 2 read-write MCO2PRE MCO2 prescaler 27 3 read-write PPRE1 APB Low speed prescaler (APB1) 10 3 read-write PPRE2 APB high-speed prescaler (APB2) 13 3 read-write RTCPRE HSE division factor for RTC clock 16 5 read-write SW0 System clock switch 0 1 read-write SW1 System clock switch 1 1 read-write SWS0 System clock switch status 2 1 read-only SWS1 System clock switch status 3 1 read-only CIR CIR clock interrupt register 0xC 32 read-write n 0x0 0x0 CSSC Clock security system interrupt clear 23 1 write-only CSSF Clock security system interrupt flag 7 1 read-only HSERDYC HSE ready interrupt clear 19 1 write-only HSERDYF HSE ready interrupt flag 3 1 read-only HSERDYIE HSE ready interrupt enable 11 1 read-write HSIRDYC HSI ready interrupt clear 18 1 write-only HSIRDYF HSI ready interrupt flag 2 1 read-only HSIRDYIE HSI ready interrupt enable 10 1 read-write LSERDYC LSE ready interrupt clear 17 1 write-only LSERDYF LSE ready interrupt flag 1 1 read-only LSERDYIE LSE ready interrupt enable 9 1 read-write LSIRDYC LSI ready interrupt clear 16 1 write-only LSIRDYF LSI ready interrupt flag 0 1 read-only LSIRDYIE LSI ready interrupt enable 8 1 read-write PLLI2SRDYC PLLI2S ready interrupt clear 21 1 write-only PLLI2SRDYF PLLI2S ready interrupt flag 5 1 read-only PLLI2SRDYIE PLLI2S ready interrupt enable 13 1 read-write PLLRDYC Main PLL(PLL) ready interrupt clear 20 1 write-only PLLRDYF Main PLL (PLL) ready interrupt flag 4 1 read-only PLLRDYIE Main PLL (PLL) ready interrupt enable 12 1 read-write CR CR clock control register 0x0 32 read-write n 0x0 0x0 CSSON Clock security system enable 19 1 read-write HSEBYP HSE clock bypass 18 1 read-write HSEON HSE clock enable 16 1 read-write HSERDY HSE clock ready flag 17 1 read-only HSICAL Internal high-speed clock calibration 8 8 read-only HSION Internal high-speed clock enable 0 1 read-write HSIRDY Internal high-speed clock ready flag 1 1 read-only HSITRIM Internal high-speed clock trimming 3 5 read-write PLLI2SON PLLI2S enable 26 1 read-write PLLI2SRDY PLLI2S clock ready flag 27 1 read-only PLLON Main PLL (PLL) enable 24 1 read-write PLLRDY Main PLL (PLL) clock ready flag 25 1 read-only CSR CSR clock control and status register 0x74 32 read-write n 0x0 0x0 BORRSTF BOR reset flag 25 1 read-write LPWRRSTF Low-power reset flag 31 1 read-write LSION Internal low-speed oscillator enable 0 1 read-write LSIRDY Internal low-speed oscillator ready 1 1 read-only PADRSTF PIN reset flag 26 1 read-write PORRSTF POR/PDR reset flag 27 1 read-write RMVF Remove reset flag 24 1 read-write SFTRSTF Software reset flag 28 1 read-write WDGRSTF Independent watchdog reset flag 29 1 read-write WWDGRSTF Window watchdog reset flag 30 1 read-write PLLCFGR PLLCFGR PLL configuration register 0x4 32 read-write n 0x0 0x0 PLLM0 Division factor for the main PLL (PLL) and audio PLL (PLLI2S) input clock 0 1 PLLM1 Division factor for the main PLL (PLL) and audio PLL (PLLI2S) input clock 1 1 PLLM2 Division factor for the main PLL (PLL) and audio PLL (PLLI2S) input clock 2 1 PLLM3 Division factor for the main PLL (PLL) and audio PLL (PLLI2S) input clock 3 1 PLLM4 Division factor for the main PLL (PLL) and audio PLL (PLLI2S) input clock 4 1 PLLM5 Division factor for the main PLL (PLL) and audio PLL (PLLI2S) input clock 5 1 PLLN0 Main PLL (PLL) multiplication factor for VCO 6 1 PLLN1 Main PLL (PLL) multiplication factor for VCO 7 1 PLLN2 Main PLL (PLL) multiplication factor for VCO 8 1 PLLN3 Main PLL (PLL) multiplication factor for VCO 9 1 PLLN4 Main PLL (PLL) multiplication factor for VCO 10 1 PLLN5 Main PLL (PLL) multiplication factor for VCO 11 1 PLLN6 Main PLL (PLL) multiplication factor for VCO 12 1 PLLN7 Main PLL (PLL) multiplication factor for VCO 13 1 PLLN8 Main PLL (PLL) multiplication factor for VCO 14 1 PLLP0 Main PLL (PLL) division factor for main system clock 16 1 PLLP1 Main PLL (PLL) division factor for main system clock 17 1 PLLQ0 Main PLL (PLL) division factor for USB OTG FS, SDIO and random number generator clocks 24 1 PLLQ1 Main PLL (PLL) division factor for USB OTG FS, SDIO and random number generator clocks 25 1 PLLQ2 Main PLL (PLL) division factor for USB OTG FS, SDIO and random number generator clocks 26 1 PLLQ3 Main PLL (PLL) division factor for USB OTG FS, SDIO and random number generator clocks 27 1 PLLSRC Main PLL(PLL) and audio PLL (PLLI2S) entry clock source 22 1 PLLI2SCFGR PLLI2SCFGR PLLI2S configuration register 0x84 32 read-write n 0x0 0x0 PLLI2SNx PLLI2S multiplication factor for VCO 6 9 PLLI2SRx PLLI2S division factor for I2S clocks 28 3 SSCGR SSCGR spread spectrum clock generation register 0x80 32 read-write n 0x0 0x0 INCSTEP Incrementation step 13 15 MODPER Modulation period 0 13 SPREADSEL Spread Select 30 1 SSCGEN Spread spectrum modulation enable 31 1 RTC Real-time clock RTC 0x0 0x0 0x400 registers n I2C2_EV I2C2 event interrupt 33 I2C2_ER I2C2 error interrupt 34 ALRMAR ALRMAR alarm A register 0x1C 32 read-write n 0x0 0x0 DT Date tens in BCD format 28 2 DU Date units or day in BCD format 24 4 HT Hour tens in BCD format 20 2 HU Hour units in BCD format 16 4 MNT Minute tens in BCD format 12 3 MNU Minute units in BCD format 8 4 MSK1 Alarm A seconds mask 7 1 MSK2 Alarm A minutes mask 15 1 MSK3 Alarm A hours mask 23 1 MSK4 Alarm A date mask 31 1 PM AM/PM notation 22 1 ST Second tens in BCD format 4 3 SU Second units in BCD format 0 4 WDSEL Week day selection 30 1 ALRMASSR ALRMASSR alarm A sub second register 0x44 32 read-write n 0x0 0x0 MASKSS Mask the most-significant bits starting at this bit 24 4 SS Sub seconds value 0 15 ALRMBR ALRMBR alarm B register 0x20 32 read-write n 0x0 0x0 DT Date tens in BCD format 28 2 DU Date units or day in BCD format 24 4 HT Hour tens in BCD format 20 2 HU Hour units in BCD format 16 4 MNT Minute tens in BCD format 12 3 MNU Minute units in BCD format 8 4 MSK1 Alarm B seconds mask 7 1 MSK2 Alarm B minutes mask 15 1 MSK3 Alarm B hours mask 23 1 MSK4 Alarm B date mask 31 1 PM AM/PM notation 22 1 ST Second tens in BCD format 4 3 SU Second units in BCD format 0 4 WDSEL Week day selection 30 1 ALRMBSSR ALRMBSSR alarm B sub second register 0x48 32 read-write n 0x0 0x0 MASKSS Mask the most-significant bits starting at this bit 24 4 SS Sub seconds value 0 15 BKP0R BKP0R backup register 0x50 32 read-write n 0x0 0x0 BKP BKP 0 32 BKP10R BKP10R backup register 0x78 32 read-write n 0x0 0x0 BKP BKP 0 32 BKP11R BKP11R backup register 0x7C 32 read-write n 0x0 0x0 BKP BKP 0 32 BKP12R BKP12R backup register 0x80 32 read-write n 0x0 0x0 BKP BKP 0 32 BKP13R BKP13R backup register 0x84 32 read-write n 0x0 0x0 BKP BKP 0 32 BKP14R BKP14R backup register 0x88 32 read-write n 0x0 0x0 BKP BKP 0 32 BKP15R BKP15R backup register 0x8C 32 read-write n 0x0 0x0 BKP BKP 0 32 BKP16R BKP16R backup register 0x90 32 read-write n 0x0 0x0 BKP BKP 0 32 BKP17R BKP17R backup register 0x94 32 read-write n 0x0 0x0 BKP BKP 0 32 BKP18R BKP18R backup register 0x98 32 read-write n 0x0 0x0 BKP BKP 0 32 BKP19R BKP19R backup register 0x9C 32 read-write n 0x0 0x0 BKP BKP 0 32 BKP1R BKP1R backup register 0x54 32 read-write n 0x0 0x0 BKP BKP 0 32 BKP2R BKP2R backup register 0x58 32 read-write n 0x0 0x0 BKP BKP 0 32 BKP3R BKP3R backup register 0x5C 32 read-write n 0x0 0x0 BKP BKP 0 32 BKP4R BKP4R backup register 0x60 32 read-write n 0x0 0x0 BKP BKP 0 32 BKP5R BKP5R backup register 0x64 32 read-write n 0x0 0x0 BKP BKP 0 32 BKP6R BKP6R backup register 0x68 32 read-write n 0x0 0x0 BKP BKP 0 32 BKP7R BKP7R backup register 0x6C 32 read-write n 0x0 0x0 BKP BKP 0 32 BKP8R BKP8R backup register 0x70 32 read-write n 0x0 0x0 BKP BKP 0 32 BKP9R BKP9R backup register 0x74 32 read-write n 0x0 0x0 BKP BKP 0 32 CALIBR CALIBR calibration register 0x18 32 read-write n 0x0 0x0 DC Digital calibration 0 5 DCS Digital calibration sign 7 1 CALR CALR calibration register 0x3C 32 read-write n 0x0 0x0 CALM Calibration minus 0 9 CALP Increase frequency of RTC by 488.5 ppm 15 1 CALW16 Use a 16-second calibration cycle period 13 1 CALW8 Use an 8-second calibration cycle period 14 1 CR CR control register 0x8 32 read-write n 0x0 0x0 ADD1H Add 1 hour (summer time change) 16 1 ALRAE Alarm A enable 8 1 ALRAIE Alarm A interrupt enable 12 1 ALRBE Alarm B enable 9 1 ALRBIE Alarm B interrupt enable 13 1 BKP Backup 18 1 BYPSHAD Bypass the shadow registers 5 1 COE Calibration output enable 23 1 COSEL Calibration Output selection 19 1 DCE Coarse digital calibration enable 7 1 FMT Hour format 6 1 OSEL Output selection 21 2 POL Output polarity 20 1 REFCKON Reference clock detection enable (50 or 60 Hz) 4 1 SUB1H Subtract 1 hour (winter time change) 17 1 TSE Time stamp enable 11 1 TSEDGE Time-stamp event active edge 3 1 TSIE Time-stamp interrupt enable 15 1 WCKSEL Wakeup clock selection 0 3 WUTE Wakeup timer enable 10 1 WUTIE Wakeup timer interrupt enable 14 1 DR DR date register 0x4 32 read-write n 0x0 0x0 DT Date tens in BCD format 4 2 DU Date units in BCD format 0 4 MT Month tens in BCD format 12 1 MU Month units in BCD format 8 4 WDU Week day units 13 3 YT Year tens in BCD format 20 4 YU Year units in BCD format 16 4 ISR ISR initialization and status register 0xC 32 read-write n 0x0 0x0 ALRAF Alarm A flag 8 1 read-write ALRAWF Alarm A write flag 0 1 read-only ALRBF Alarm B flag 9 1 read-write ALRBWF Alarm B write flag 1 1 read-only INIT Initialization mode 7 1 read-write INITF Initialization flag 6 1 read-only INITS Initialization status flag 4 1 read-only RECALPF Recalibration pending Flag 16 1 read-only RSF Registers synchronization flag 5 1 read-write SHPF Shift operation pending 3 1 read-write TAMP1F Tamper detection flag 13 1 read-write TAMP2F TAMPER2 detection flag 14 1 read-write TSF Time-stamp flag 11 1 read-write TSOVF Time-stamp overflow flag 12 1 read-write WUTF Wakeup timer flag 10 1 read-write WUTWF Wakeup timer write flag 2 1 read-only PRER PRER prescaler register 0x10 32 read-write n 0x0 0x0 PREDIV_A Asynchronous prescaler factor 16 7 PREDIV_S Synchronous prescaler factor 0 15 SHIFTR SHIFTR shift control register 0x2C 32 write-only n 0x0 0x0 ADD1S Add one second 31 1 SUBFS Subtract a fraction of a second 0 15 SSR SSR sub second register 0x28 32 read-only n 0x0 0x0 SS Sub second value 0 16 TAFCR TAFCR tamper and alternate function configuration register 0x40 32 read-write n 0x0 0x0 ALARMOUTTYPE AFO_ALARM output type 18 1 TAMP1E Tamper 1 detection enable 0 1 TAMP1INSEL TAMPER1 mapping 16 1 TAMP1TRG Active level for tamper 1 1 1 TAMP2E Tamper 2 detection enable 3 1 TAMP2TRG Active level for tamper 2 4 1 TAMPFLT Tamper filter count 11 2 TAMPFREQ Tamper sampling frequency 8 3 TAMPIE Tamper interrupt enable 2 1 TAMPPRCH Tamper precharge duration 13 2 TAMPPUDIS TAMPER pull-up disable 15 1 TAMPTS Activate timestamp on tamper detection event 7 1 TSINSEL TIMESTAMP mapping 17 1 TR TR time register 0x0 32 read-write n 0x0 0x0 HT Hour tens in BCD format 20 2 HU Hour units in BCD format 16 4 MNT Minute tens in BCD format 12 3 MNU Minute units in BCD format 8 4 PM AM/PM notation 22 1 ST Second tens in BCD format 4 3 SU Second units in BCD format 0 4 TSDR TSDR time stamp date register 0x34 32 read-only n 0x0 0x0 DT Date tens in BCD format 4 2 DU Date units in BCD format 0 4 MT Month tens in BCD format 12 1 MU Month units in BCD format 8 4 WDU Week day units 13 3 TSSSR TSSSR timestamp sub second register 0x38 32 read-only n 0x0 0x0 SS Sub second value 0 16 TSTR TSTR time stamp time register 0x30 32 read-only n 0x0 0x0 HT Hour tens in BCD format 20 2 HU Hour units in BCD format 16 4 MNT Minute tens in BCD format 12 3 MNU Minute units in BCD format 8 4 PM AM/PM notation 22 1 ST Second tens in BCD format 4 3 SU Second units in BCD format 0 4 WPR WPR write protection register 0x24 32 write-only n 0x0 0x0 KEY Write protection key 0 8 WUTR WUTR wakeup timer register 0x14 32 read-write n 0x0 0x0 WUT Wakeup auto-reload value bits 0 16 SCB System control block SCB 0x0 0x0 0x41 registers n AFSR AFSR Auxiliary fault status register 0x3C 32 read-write n 0x0 0x0 IMPDEF Implementation defined 0 32 AIRCR AIRCR Application interrupt and reset control register 0xC 32 read-write n 0x0 0x0 ENDIANESS ENDIANESS 15 1 PRIGROUP PRIGROUP 8 3 SYSRESETREQ SYSRESETREQ 2 1 VECTCLRACTIVE VECTCLRACTIVE 1 1 VECTKEYSTAT Register key 16 16 VECTRESET VECTRESET 0 1 BFAR BFAR Bus fault address register 0x38 32 read-write n 0x0 0x0 BFAR Bus fault address 0 32 CCR CCR Configuration and control register 0x14 32 read-write n 0x0 0x0 BFHFNMIGN BFHFNMIGN 8 1 DIV_0_TRP DIV_0_TRP 4 1 NONBASETHRDENA Configures how the processor enters Thread mode 0 1 STKALIGN STKALIGN 9 1 UNALIGN__TRP UNALIGN_ TRP 3 1 USERSETMPEND USERSETMPEND 1 1 CFSR_UFSR_BFSR_MMFSR CFSR_UFSR_BFSR_MMFSR Configurable fault status register 0x28 32 read-write n 0x0 0x0 BFARVALID Bus Fault Address Register (BFAR) valid flag 15 1 DIVBYZERO Divide by zero usage fault 25 1 IACCVIOL Instruction access violation flag 1 1 IBUSERR Instruction bus error 8 1 IMPRECISERR Imprecise data bus error 10 1 INVPC Invalid PC load usage fault 18 1 INVSTATE Invalid state usage fault 17 1 LSPERR Bus fault on floating-point lazy state preservation 13 1 MLSPERR MLSPERR 5 1 MMARVALID Memory Management Fault Address Register (MMAR) valid flag 7 1 MSTKERR Memory manager fault on stacking for exception entry. 4 1 MUNSTKERR Memory manager fault on unstacking for a return from exception 3 1 NOCP No coprocessor usage fault. 19 1 PRECISERR Precise data bus error 9 1 STKERR Bus fault on stacking for exception entry 12 1 UNALIGNED Unaligned access usage fault 24 1 UNDEFINSTR Undefined instruction usage fault 16 1 UNSTKERR Bus fault on unstacking for a return from exception 11 1 CPUID CPUID CPUID base register 0x0 32 read-only n 0x0 0x0 Constant Reads as 0xF 16 4 Implementer Implementer code 24 8 PartNo Part number of the processor 4 12 Revision Revision number 0 4 Variant Variant number 20 4 HFSR HFSR Hard fault status register 0x2C 32 read-write n 0x0 0x0 DEBUG_VT Reserved for Debug use 31 1 FORCED Forced hard fault 30 1 VECTTBL Vector table hard fault 1 1 ICSR ICSR Interrupt control and state register 0x4 32 read-write n 0x0 0x0 ISRPENDING Interrupt pending flag 22 1 NMIPENDSET NMI set-pending bit. 31 1 PENDSTCLR SysTick exception clear-pending bit 25 1 PENDSTSET SysTick exception set-pending bit 26 1 PENDSVCLR PendSV clear-pending bit 27 1 PENDSVSET PendSV set-pending bit 28 1 RETTOBASE Return to base level 11 1 VECTACTIVE Active vector 0 9 VECTPENDING Pending vector 12 7 MMFAR MMFAR Memory management fault address register 0x34 32 read-write n 0x0 0x0 MMFAR Memory management fault address 0 32 SCR SCR System control register 0x10 32 read-write n 0x0 0x0 SEVEONPEND Send Event on Pending bit 4 1 SLEEPDEEP SLEEPDEEP 2 1 SLEEPONEXIT SLEEPONEXIT 1 1 SHCRS SHCRS System handler control and state register 0x24 32 read-write n 0x0 0x0 BUSFAULTACT Bus fault exception active bit 1 1 BUSFAULTENA Bus fault enable bit 17 1 BUSFAULTPENDED Bus fault exception pending bit 14 1 MEMFAULTACT Memory management fault exception active bit 0 1 MEMFAULTENA Memory management fault enable bit 16 1 MEMFAULTPENDED Memory management fault exception pending bit 13 1 MONITORACT Debug monitor active bit 8 1 PENDSVACT PendSV exception active bit 10 1 SVCALLACT SVC call active bit 7 1 SVCALLPENDED SVC call pending bit 15 1 SYSTICKACT SysTick exception active bit 11 1 USGFAULTACT Usage fault exception active bit 3 1 USGFAULTENA Usage fault enable bit 18 1 USGFAULTPENDED Usage fault exception pending bit 12 1 SHPR1 SHPR1 System handler priority registers 0x18 32 read-write n 0x0 0x0 PRI_4 Priority of system handler 4 0 8 PRI_5 Priority of system handler 5 8 8 PRI_6 Priority of system handler 6 16 8 SHPR2 SHPR2 System handler priority registers 0x1C 32 read-write n 0x0 0x0 PRI_11 Priority of system handler 11 24 8 SHPR3 SHPR3 System handler priority registers 0x20 32 read-write n 0x0 0x0 PRI_14 Priority of system handler 14 16 8 PRI_15 Priority of system handler 15 24 8 VTOR VTOR Vector table offset register 0x8 32 read-write n 0x0 0x0 TBLOFF Vector table base offset field 9 21 SCB_ACTRL System control block ACTLR SCB 0x0 0x0 0x5 registers n ACTRL ACTRL Auxiliary control register 0x0 32 read-write n 0x0 0x0 DISDEFWBUF DISDEFWBUF 1 1 DISFOLD DISFOLD 2 1 DISFPCA DISFPCA 8 1 DISMCYCINT DISMCYCINT 0 1 DISOOFP DISOOFP 9 1 SDIO Secure digital input/output interface SDIO 0x0 0x0 0x400 registers n I2C3_EV I2C3 event interrupt 72 I2C3_ER I2C3 error interrupt 73 ARG ARG argument register 0x8 32 read-write n 0x0 0x0 CMDARG Command argument 0 32 CLKCR CLKCR SDI clock control register 0x4 32 read-write n 0x0 0x0 BYPASS Clock divider bypass enable bit 10 1 CLKDIV Clock divide factor 0 8 CLKEN Clock enable bit 8 1 HWFC_EN HW Flow Control enable 14 1 NEGEDGE SDIO_CK dephasing selection bit 13 1 PWRSAV Power saving configuration bit 9 1 WIDBUS Wide bus mode enable bit 11 2 CMD CMD command register 0xC 32 read-write n 0x0 0x0 CE_ATACMD CE-ATA command 14 1 CMDINDEX Command index 0 6 CPSMEN Command path state machine (CPSM) Enable bit 10 1 ENCMDcompl Enable CMD completion 12 1 nIEN not Interrupt Enable 13 1 SDIOSuspend SD I/O suspend command 11 1 WAITINT CPSM waits for interrupt request 8 1 WAITPEND CPSM Waits for ends of data transfer (CmdPend internal signal). 9 1 WAITRESP Wait for response bits 6 2 DCOUNT DCOUNT data counter register 0x30 32 read-only n 0x0 0x0 DATACOUNT Data count value 0 25 DCTRL DCTRL data control register 0x2C 32 read-write n 0x0 0x0 DBLOCKSIZE Data block size 4 4 DMAEN DMA enable bit 3 1 DTDIR Data transfer direction selection 1 1 DTEN DTEN 0 1 DTMODE Data transfer mode selection 1: Stream or SDIO multibyte data transfer. 2 1 RWMOD Read wait mode 10 1 RWSTART Read wait start 8 1 RWSTOP Read wait stop 9 1 SDIOEN SD I/O enable functions 11 1 DLEN DLEN data length register 0x28 32 read-write n 0x0 0x0 DATALENGTH Data length value 0 25 DTIMER DTIMER data timer register 0x24 32 read-write n 0x0 0x0 DATATIME Data timeout period 0 32 FIFO FIFO data FIFO register 0x80 32 read-write n 0x0 0x0 FIFOData Receive and transmit FIFO data 0 32 FIFOCNT FIFOCNT FIFO counter register 0x48 32 read-only n 0x0 0x0 FIFOCOUNT Remaining number of words to be written to or read from the FIFO. 0 24 ICR ICR interrupt clear register 0x38 32 read-write n 0x0 0x0 CCRCFAILC CCRCFAIL flag clear bit 0 1 CEATAENDC CEATAEND flag clear bit 23 1 CMDRENDC CMDREND flag clear bit 6 1 CMDSENTC CMDSENT flag clear bit 7 1 CTIMEOUTC CTIMEOUT flag clear bit 2 1 DATAENDC DATAEND flag clear bit 8 1 DBCKENDC DBCKEND flag clear bit 10 1 DCRCFAILC DCRCFAIL flag clear bit 1 1 DTIMEOUTC DTIMEOUT flag clear bit 3 1 RXOVERRC RXOVERR flag clear bit 5 1 SDIOITC SDIOIT flag clear bit 22 1 STBITERRC STBITERR flag clear bit 9 1 TXUNDERRC TXUNDERR flag clear bit 4 1 MASK MASK mask register 0x3C 32 read-write n 0x0 0x0 CCRCFAILIE Command CRC fail interrupt enable 0 1 CEATAENDIE CE-ATA command completion signal received interrupt enable 23 1 CMDACTIE Command acting interrupt enable 11 1 CMDRENDIE Command response received interrupt enable 6 1 CMDSENTIE Command sent interrupt enable 7 1 CTIMEOUTIE Command timeout interrupt enable 2 1 DATAENDIE Data end interrupt enable 8 1 DBCKENDIE Data block end interrupt enable 10 1 DCRCFAILIE Data CRC fail interrupt enable 1 1 DTIMEOUTIE Data timeout interrupt enable 3 1 RXACTIE Data receive acting interrupt enable 13 1 RXDAVLIE Data available in Rx FIFO interrupt enable 21 1 RXFIFOEIE Rx FIFO empty interrupt enable 19 1 RXFIFOFIE Rx FIFO full interrupt enable 17 1 RXFIFOHFIE Rx FIFO half full interrupt enable 15 1 RXOVERRIE Rx FIFO overrun error interrupt enable 5 1 SDIOITIE SDIO mode interrupt received interrupt enable 22 1 STBITERRIE Start bit error interrupt enable 9 1 TXACTIE Data transmit acting interrupt enable 12 1 TXDAVLIE Data available in Tx FIFO interrupt enable 20 1 TXFIFOEIE Tx FIFO empty interrupt enable 18 1 TXFIFOFIE Tx FIFO full interrupt enable 16 1 TXFIFOHEIE Tx FIFO half empty interrupt enable 14 1 TXUNDERRIE Tx FIFO underrun error interrupt enable 4 1 POWER POWER power control register 0x0 32 read-write n 0x0 0x0 PWRCTRL PWRCTRL 0 2 RESP1 RESP1 response 1..4 register 0x14 32 read-only n 0x0 0x0 CARDSTATUS1 Card Status 0 32 RESP2 RESP2 response 1..4 register 0x18 32 read-only n 0x0 0x0 CARDSTATUS2 Card Status 0 32 RESP3 RESP3 response 1..4 register 0x1C 32 read-only n 0x0 0x0 CARDSTATUS3 Card Status 0 32 RESP4 RESP4 response 1..4 register 0x20 32 read-only n 0x0 0x0 CARDSTATUS4 Card Status 0 32 RESPCMD RESPCMD command response register 0x10 32 read-only n 0x0 0x0 RESPCMD Response command index 0 6 STA STA status register 0x34 32 read-only n 0x0 0x0 CCRCFAIL Command response received (CRC check failed) 0 1 CEATAEND CE-ATA command completion signal received for CMD61 23 1 CMDACT Command transfer in progress 11 1 CMDREND Command response received (CRC check passed) 6 1 CMDSENT Command sent (no response required) 7 1 CTIMEOUT Command response timeout 2 1 DATAEND Data end (data counter, SDIDCOUNT, is zero) 8 1 DBCKEND Data block sent/received (CRC check passed) 10 1 DCRCFAIL Data block sent/received (CRC check failed) 1 1 DTIMEOUT Data timeout 3 1 RXACT Data receive in progress 13 1 RXDAVL Data available in receive FIFO 21 1 RXFIFOE Receive FIFO empty 19 1 RXFIFOF Receive FIFO full 17 1 RXFIFOHF Receive FIFO half full: there are at least 8 words in the FIFO 15 1 RXOVERR Received FIFO overrun error 5 1 SDIOIT SDIO interrupt received 22 1 STBITERR Start bit not detected on all data signals in wide bus mode 9 1 TXACT Data transmit in progress 12 1 TXDAVL Data available in transmit FIFO 20 1 TXFIFOE Transmit FIFO empty 18 1 TXFIFOF Transmit FIFO full 16 1 TXFIFOHE Transmit FIFO half empty: at least 8 words can be written into the FIFO 14 1 TXUNDERR Transmit FIFO underrun error 4 1 SPI1 Serial peripheral interface SPI 0x0 0x0 0x400 registers n CR1 CR1 control register 1 0x0 32 read-write n 0x0 0x0 BIDIMODE Bidirectional data mode enable 15 1 BIDIOE Output enable in bidirectional mode 14 1 BR Baud rate control 3 3 CPHA Clock phase 0 1 CPOL Clock polarity 1 1 CRCEN Hardware CRC calculation enable 13 1 CRCNEXT CRC transfer next 12 1 DFF Data frame format 11 1 LSBFIRST Frame format 7 1 MSTR Master selection 2 1 RXONLY Receive only 10 1 SPE SPI enable 6 1 SSI Internal slave select 8 1 SSM Software slave management 9 1 CR2 CR2 control register 2 0x4 32 read-write n 0x0 0x0 ERRIE Error interrupt enable 5 1 FRF Frame format 4 1 RXDMAEN Rx buffer DMA enable 0 1 RXNEIE RX buffer not empty interrupt enable 6 1 SSOE SS output enable 2 1 TXDMAEN Tx buffer DMA enable 1 1 TXEIE Tx buffer empty interrupt enable 7 1 CRCPR CRCPR CRC polynomial register 0x10 32 read-write n 0x0 0x0 CRCPOLY CRC polynomial register 0 16 DR DR data register 0xC 32 read-write n 0x0 0x0 DR Data register 0 16 I2SCFGR I2SCFGR I2S configuration register 0x1C 32 read-write n 0x0 0x0 CHLEN Channel length (number of bits per audio channel) 0 1 CKPOL Steady state clock polarity 3 1 DATLEN Data length to be transferred 1 2 I2SCFG I2S configuration mode 8 2 I2SE I2S Enable 10 1 I2SMOD I2S mode selection 11 1 I2SSTD I2S standard selection 4 2 PCMSYNC PCM frame synchronization 7 1 I2SPR I2SPR I2S prescaler register 0x20 32 read-write n 0x0 0x0 I2SDIV I2S Linear prescaler 0 8 MCKOE Master clock output enable 9 1 ODD Odd factor for the prescaler 8 1 RXCRCR RXCRCR RX CRC register 0x14 32 read-only n 0x0 0x0 RxCRC Rx CRC register 0 16 SR SR status register 0x8 32 read-write n 0x0 0x0 BSY Busy flag 7 1 read-only CHSIDE Channel side 2 1 read-only CRCERR CRC error flag 4 1 read-write MODF Mode fault 5 1 read-only OVR Overrun flag 6 1 read-only RXNE Receive buffer not empty 0 1 read-only TIFRFE TI frame format error 8 1 read-only TXE Transmit buffer empty 1 1 read-only UDR Underrun flag 3 1 read-only TXCRCR TXCRCR TX CRC register 0x18 32 read-only n 0x0 0x0 TxCRC Tx CRC register 0 16 SPI2 Serial peripheral interface SPI 0x0 0x0 0x400 registers n SPI1 SPI1 global interrupt 35 CR1 CR1 control register 1 0x0 32 read-write n 0x0 0x0 BIDIMODE Bidirectional data mode enable 15 1 BIDIOE Output enable in bidirectional mode 14 1 BR Baud rate control 3 3 CPHA Clock phase 0 1 CPOL Clock polarity 1 1 CRCEN Hardware CRC calculation enable 13 1 CRCNEXT CRC transfer next 12 1 DFF Data frame format 11 1 LSBFIRST Frame format 7 1 MSTR Master selection 2 1 RXONLY Receive only 10 1 SPE SPI enable 6 1 SSI Internal slave select 8 1 SSM Software slave management 9 1 CR2 CR2 control register 2 0x4 32 read-write n 0x0 0x0 ERRIE Error interrupt enable 5 1 FRF Frame format 4 1 RXDMAEN Rx buffer DMA enable 0 1 RXNEIE RX buffer not empty interrupt enable 6 1 SSOE SS output enable 2 1 TXDMAEN Tx buffer DMA enable 1 1 TXEIE Tx buffer empty interrupt enable 7 1 CRCPR CRCPR CRC polynomial register 0x10 32 read-write n 0x0 0x0 CRCPOLY CRC polynomial register 0 16 DR DR data register 0xC 32 read-write n 0x0 0x0 DR Data register 0 16 I2SCFGR I2SCFGR I2S configuration register 0x1C 32 read-write n 0x0 0x0 CHLEN Channel length (number of bits per audio channel) 0 1 CKPOL Steady state clock polarity 3 1 DATLEN Data length to be transferred 1 2 I2SCFG I2S configuration mode 8 2 I2SE I2S Enable 10 1 I2SMOD I2S mode selection 11 1 I2SSTD I2S standard selection 4 2 PCMSYNC PCM frame synchronization 7 1 I2SPR I2SPR I2S prescaler register 0x20 32 read-write n 0x0 0x0 I2SDIV I2S Linear prescaler 0 8 MCKOE Master clock output enable 9 1 ODD Odd factor for the prescaler 8 1 RXCRCR RXCRCR RX CRC register 0x14 32 read-only n 0x0 0x0 RxCRC Rx CRC register 0 16 SR SR status register 0x8 32 read-write n 0x0 0x0 BSY Busy flag 7 1 read-only CHSIDE Channel side 2 1 read-only CRCERR CRC error flag 4 1 read-write MODF Mode fault 5 1 read-only OVR Overrun flag 6 1 read-only RXNE Receive buffer not empty 0 1 read-only TIFRFE TI frame format error 8 1 read-only TXE Transmit buffer empty 1 1 read-only UDR Underrun flag 3 1 read-only TXCRCR TXCRCR TX CRC register 0x18 32 read-only n 0x0 0x0 TxCRC Tx CRC register 0 16 SPI3 Serial peripheral interface SPI 0x0 0x0 0x400 registers n SPI2 SPI2 global interrupt 36 CR1 CR1 control register 1 0x0 32 read-write n 0x0 0x0 BIDIMODE Bidirectional data mode enable 15 1 BIDIOE Output enable in bidirectional mode 14 1 BR Baud rate control 3 3 CPHA Clock phase 0 1 CPOL Clock polarity 1 1 CRCEN Hardware CRC calculation enable 13 1 CRCNEXT CRC transfer next 12 1 DFF Data frame format 11 1 LSBFIRST Frame format 7 1 MSTR Master selection 2 1 RXONLY Receive only 10 1 SPE SPI enable 6 1 SSI Internal slave select 8 1 SSM Software slave management 9 1 CR2 CR2 control register 2 0x4 32 read-write n 0x0 0x0 ERRIE Error interrupt enable 5 1 FRF Frame format 4 1 RXDMAEN Rx buffer DMA enable 0 1 RXNEIE RX buffer not empty interrupt enable 6 1 SSOE SS output enable 2 1 TXDMAEN Tx buffer DMA enable 1 1 TXEIE Tx buffer empty interrupt enable 7 1 CRCPR CRCPR CRC polynomial register 0x10 32 read-write n 0x0 0x0 CRCPOLY CRC polynomial register 0 16 DR DR data register 0xC 32 read-write n 0x0 0x0 DR Data register 0 16 I2SCFGR I2SCFGR I2S configuration register 0x1C 32 read-write n 0x0 0x0 CHLEN Channel length (number of bits per audio channel) 0 1 CKPOL Steady state clock polarity 3 1 DATLEN Data length to be transferred 1 2 I2SCFG I2S configuration mode 8 2 I2SE I2S Enable 10 1 I2SMOD I2S mode selection 11 1 I2SSTD I2S standard selection 4 2 PCMSYNC PCM frame synchronization 7 1 I2SPR I2SPR I2S prescaler register 0x20 32 read-write n 0x0 0x0 I2SDIV I2S Linear prescaler 0 8 MCKOE Master clock output enable 9 1 ODD Odd factor for the prescaler 8 1 RXCRCR RXCRCR RX CRC register 0x14 32 read-only n 0x0 0x0 RxCRC Rx CRC register 0 16 SR SR status register 0x8 32 read-write n 0x0 0x0 BSY Busy flag 7 1 read-only CHSIDE Channel side 2 1 read-only CRCERR CRC error flag 4 1 read-write MODF Mode fault 5 1 read-only OVR Overrun flag 6 1 read-only RXNE Receive buffer not empty 0 1 read-only TIFRFE TI frame format error 8 1 read-only TXE Transmit buffer empty 1 1 read-only UDR Underrun flag 3 1 read-only TXCRCR TXCRCR TX CRC register 0x18 32 read-only n 0x0 0x0 TxCRC Tx CRC register 0 16 SPI4 Serial peripheral interface SPI 0x0 0x0 0x400 registers n SPI3 SPI3 global interrupt 51 CR1 CR1 control register 1 0x0 32 read-write n 0x0 0x0 BIDIMODE Bidirectional data mode enable 15 1 BIDIOE Output enable in bidirectional mode 14 1 BR Baud rate control 3 3 CPHA Clock phase 0 1 CPOL Clock polarity 1 1 CRCEN Hardware CRC calculation enable 13 1 CRCNEXT CRC transfer next 12 1 DFF Data frame format 11 1 LSBFIRST Frame format 7 1 MSTR Master selection 2 1 RXONLY Receive only 10 1 SPE SPI enable 6 1 SSI Internal slave select 8 1 SSM Software slave management 9 1 CR2 CR2 control register 2 0x4 32 read-write n 0x0 0x0 ERRIE Error interrupt enable 5 1 FRF Frame format 4 1 RXDMAEN Rx buffer DMA enable 0 1 RXNEIE RX buffer not empty interrupt enable 6 1 SSOE SS output enable 2 1 TXDMAEN Tx buffer DMA enable 1 1 TXEIE Tx buffer empty interrupt enable 7 1 CRCPR CRCPR CRC polynomial register 0x10 32 read-write n 0x0 0x0 CRCPOLY CRC polynomial register 0 16 DR DR data register 0xC 32 read-write n 0x0 0x0 DR Data register 0 16 I2SCFGR I2SCFGR I2S configuration register 0x1C 32 read-write n 0x0 0x0 CHLEN Channel length (number of bits per audio channel) 0 1 CKPOL Steady state clock polarity 3 1 DATLEN Data length to be transferred 1 2 I2SCFG I2S configuration mode 8 2 I2SE I2S Enable 10 1 I2SMOD I2S mode selection 11 1 I2SSTD I2S standard selection 4 2 PCMSYNC PCM frame synchronization 7 1 I2SPR I2SPR I2S prescaler register 0x20 32 read-write n 0x0 0x0 I2SDIV I2S Linear prescaler 0 8 MCKOE Master clock output enable 9 1 ODD Odd factor for the prescaler 8 1 RXCRCR RXCRCR RX CRC register 0x14 32 read-only n 0x0 0x0 RxCRC Rx CRC register 0 16 SR SR status register 0x8 32 read-write n 0x0 0x0 BSY Busy flag 7 1 read-only CHSIDE Channel side 2 1 read-only CRCERR CRC error flag 4 1 read-write MODF Mode fault 5 1 read-only OVR Overrun flag 6 1 read-only RXNE Receive buffer not empty 0 1 read-only TIFRFE TI frame format error 8 1 read-only TXE Transmit buffer empty 1 1 read-only UDR Underrun flag 3 1 read-only TXCRCR TXCRCR TX CRC register 0x18 32 read-only n 0x0 0x0 TxCRC Tx CRC register 0 16 SPI5 Serial peripheral interface SPI 0x0 0x0 0x400 registers n CR1 CR1 control register 1 0x0 32 read-write n 0x0 0x0 BIDIMODE Bidirectional data mode enable 15 1 BIDIOE Output enable in bidirectional mode 14 1 BR Baud rate control 3 3 CPHA Clock phase 0 1 CPOL Clock polarity 1 1 CRCEN Hardware CRC calculation enable 13 1 CRCNEXT CRC transfer next 12 1 DFF Data frame format 11 1 LSBFIRST Frame format 7 1 MSTR Master selection 2 1 RXONLY Receive only 10 1 SPE SPI enable 6 1 SSI Internal slave select 8 1 SSM Software slave management 9 1 CR2 CR2 control register 2 0x4 32 read-write n 0x0 0x0 ERRIE Error interrupt enable 5 1 FRF Frame format 4 1 RXDMAEN Rx buffer DMA enable 0 1 RXNEIE RX buffer not empty interrupt enable 6 1 SSOE SS output enable 2 1 TXDMAEN Tx buffer DMA enable 1 1 TXEIE Tx buffer empty interrupt enable 7 1 CRCPR CRCPR CRC polynomial register 0x10 32 read-write n 0x0 0x0 CRCPOLY CRC polynomial register 0 16 DR DR data register 0xC 32 read-write n 0x0 0x0 DR Data register 0 16 I2SCFGR I2SCFGR I2S configuration register 0x1C 32 read-write n 0x0 0x0 CHLEN Channel length (number of bits per audio channel) 0 1 CKPOL Steady state clock polarity 3 1 DATLEN Data length to be transferred 1 2 I2SCFG I2S configuration mode 8 2 I2SE I2S Enable 10 1 I2SMOD I2S mode selection 11 1 I2SSTD I2S standard selection 4 2 PCMSYNC PCM frame synchronization 7 1 I2SPR I2SPR I2S prescaler register 0x20 32 read-write n 0x0 0x0 I2SDIV I2S Linear prescaler 0 8 MCKOE Master clock output enable 9 1 ODD Odd factor for the prescaler 8 1 RXCRCR RXCRCR RX CRC register 0x14 32 read-only n 0x0 0x0 RxCRC Rx CRC register 0 16 SR SR status register 0x8 32 read-write n 0x0 0x0 BSY Busy flag 7 1 read-only CHSIDE Channel side 2 1 read-only CRCERR CRC error flag 4 1 read-write MODF Mode fault 5 1 read-only OVR Overrun flag 6 1 read-only RXNE Receive buffer not empty 0 1 read-only TIFRFE TI frame format error 8 1 read-only TXE Transmit buffer empty 1 1 read-only UDR Underrun flag 3 1 read-only TXCRCR TXCRCR TX CRC register 0x18 32 read-only n 0x0 0x0 TxCRC Tx CRC register 0 16 STK SysTick timer STK 0x0 0x0 0x11 registers n CALIB CALIB SysTick calibration value register 0xC 32 read-write n 0x0 0x0 NOREF NOREF flag. Reads as zero 31 1 SKEW SKEW flag: Indicates whether the TENMS value is exact 30 1 TENMS Calibration value 0 24 CTRL CTRL SysTick control and status register 0x0 32 read-write n 0x0 0x0 CLKSOURCE Clock source selection 2 1 COUNTFLAG COUNTFLAG 16 1 ENABLE Counter enable 0 1 TICKINT SysTick exception request enable 1 1 LOAD LOAD SysTick reload value register 0x4 32 read-write n 0x0 0x0 RELOAD RELOAD value 0 24 VAL VAL SysTick current value register 0x8 32 read-write n 0x0 0x0 CURRENT Current counter value 0 24 SYSCFG System configuration controller SYSCFG 0x0 0x0 0x400 registers n CMPCR CMPCR Compensation cell control register 0x20 32 read-only n 0x0 0x0 CMP_PD Compensation cell power-down 0 1 READY READY 8 1 EXTICR1 EXTICR1 external interrupt configuration register 1 0x8 32 read-write n 0x0 0x0 EXTI0 EXTI x configuration (x = 0 to 3) 0 4 EXTI1 EXTI x configuration (x = 0 to 3) 4 4 EXTI2 EXTI x configuration (x = 0 to 3) 8 4 EXTI3 EXTI x configuration (x = 0 to 3) 12 4 EXTICR2 EXTICR2 external interrupt configuration register 2 0xC 32 read-write n 0x0 0x0 EXTI4 EXTI x configuration (x = 4 to 7) 0 4 EXTI5 EXTI x configuration (x = 4 to 7) 4 4 EXTI6 EXTI x configuration (x = 4 to 7) 8 4 EXTI7 EXTI x configuration (x = 4 to 7) 12 4 EXTICR3 EXTICR3 external interrupt configuration register 3 0x10 32 read-write n 0x0 0x0 EXTI10 EXTI10 8 4 EXTI11 EXTI x configuration (x = 8 to 11) 12 4 EXTI8 EXTI x configuration (x = 8 to 11) 0 4 EXTI9 EXTI x configuration (x = 8 to 11) 4 4 EXTICR4 EXTICR4 external interrupt configuration register 4 0x14 32 read-write n 0x0 0x0 EXTI12 EXTI x configuration (x = 12 to 15) 0 4 EXTI13 EXTI x configuration (x = 12 to 15) 4 4 EXTI14 EXTI x configuration (x = 12 to 15) 8 4 EXTI15 EXTI x configuration (x = 12 to 15) 12 4 MEMRM MEMRM memory remap register 0x0 32 read-write n 0x0 0x0 MEM_MODE MEM_MODE 0 2 PMC PMC peripheral mode configuration register 0x4 32 read-write n 0x0 0x0 ADC1DC2 ADC1DC2 16 1 TIM1 Advanced-timers TIM 0x0 0x0 0x400 registers n ARR ARR auto-reload register 0x2C 32 read-write n 0x0 0x0 ARR Auto-reload value 0 16 BDTR BDTR break and dead-time register 0x44 32 read-write n 0x0 0x0 AOE Automatic output enable 14 1 BKE Break enable 12 1 BKP Break polarity 13 1 DTG Dead-time generator setup 0 8 LOCK Lock configuration 8 2 MOE Main output enable 15 1 OSSI Off-state selection for Idle mode 10 1 OSSR Off-state selection for Run mode 11 1 CCER CCER capture/compare enable register 0x20 32 read-write n 0x0 0x0 CC1E Capture/Compare 1 output enable 0 1 CC1NE Capture/Compare 1 complementary output enable 2 1 CC1NP Capture/Compare 1 output Polarity 3 1 CC1P Capture/Compare 1 output Polarity 1 1 CC2E Capture/Compare 2 output enable 4 1 CC2NE Capture/Compare 2 complementary output enable 6 1 CC2NP Capture/Compare 2 output Polarity 7 1 CC2P Capture/Compare 2 output Polarity 5 1 CC3E Capture/Compare 3 output enable 8 1 CC3NE Capture/Compare 3 complementary output enable 10 1 CC3NP Capture/Compare 3 output Polarity 11 1 CC3P Capture/Compare 3 output Polarity 9 1 CC4E Capture/Compare 4 output enable 12 1 CC4P Capture/Compare 3 output Polarity 13 1 CCMR1_Input CCMR1_Input capture/compare mode register 1 (input mode) CCMR1_Output 0x18 32 read-write n 0x0 0x0 CC1S Capture/Compare 1 selection 0 2 CC2S Capture/Compare 2 selection 8 2 IC1F Input capture 1 filter 4 4 IC2F Input capture 2 filter 12 4 IC2PCS Input capture 2 prescaler 10 2 ICPCS Input capture 1 prescaler 2 2 CCMR1_Output CCMR1_Output capture/compare mode register 1 (output mode) 0x18 32 read-write n 0x0 0x0 CC1S Capture/Compare 1 selection 0 2 CC2S Capture/Compare 2 selection 8 2 OC1CE Output Compare 1 clear enable 7 1 OC1FE Output Compare 1 fast enable 2 1 OC1M Output Compare 1 mode 4 3 OC1PE Output Compare 1 preload enable 3 1 OC2CE Output Compare 2 clear enable 15 1 OC2FE Output Compare 2 fast enable 10 1 OC2M Output Compare 2 mode 12 3 OC2PE Output Compare 2 preload enable 11 1 CCMR2_Input CCMR2_Input capture/compare mode register 2 (input mode) CCMR2_Output 0x1C 32 read-write n 0x0 0x0 CC3S Capture/compare 3 selection 0 2 CC4S Capture/Compare 4 selection 8 2 IC3F Input capture 3 filter 4 4 IC3PSC Input capture 3 prescaler 2 2 IC4F Input capture 4 filter 12 4 IC4PSC Input capture 4 prescaler 10 2 CCMR2_Output CCMR2_Output capture/compare mode register 2 (output mode) 0x1C 32 read-write n 0x0 0x0 CC3S Capture/Compare 3 selection 0 2 CC4S Capture/Compare 4 selection 8 2 OC3CE Output compare 3 clear enable 7 1 OC3FE Output compare 3 fast enable 2 1 OC3M Output compare 3 mode 4 3 OC3PE Output compare 3 preload enable 3 1 OC4CE Output compare 4 clear enable 15 1 OC4FE Output compare 4 fast enable 10 1 OC4M Output compare 4 mode 12 3 OC4PE Output compare 4 preload enable 11 1 CCR1 CCR1 capture/compare register 1 0x34 32 read-write n 0x0 0x0 CCR1 Capture/Compare 1 value 0 16 CCR2 CCR2 capture/compare register 2 0x38 32 read-write n 0x0 0x0 CCR2 Capture/Compare 2 value 0 16 CCR3 CCR3 capture/compare register 3 0x3C 32 read-write n 0x0 0x0 CCR3 Capture/Compare value 0 16 CCR4 CCR4 capture/compare register 4 0x40 32 read-write n 0x0 0x0 CCR4 Capture/Compare value 0 16 CNT CNT counter 0x24 32 read-write n 0x0 0x0 CNT counter value 0 16 CR1 CR1 control register 1 0x0 32 read-write n 0x0 0x0 ARPE Auto-reload preload enable 7 1 CEN Counter enable 0 1 CKD Clock division 8 2 CMS Center-aligned mode selection 5 2 DIR Direction 4 1 OPM One-pulse mode 3 1 UDIS Update disable 1 1 URS Update request source 2 1 CR2 CR2 control register 2 0x4 32 read-write n 0x0 0x0 CCDS Capture/compare DMA selection 3 1 CCPC Capture/compare preloaded control 0 1 CCUS Capture/compare control update selection 2 1 MMS Master mode selection 4 3 OIS1 Output Idle state 1 8 1 OIS1N Output Idle state 1 9 1 OIS2 Output Idle state 2 10 1 OIS2N Output Idle state 2 11 1 OIS3 Output Idle state 3 12 1 OIS3N Output Idle state 3 13 1 OIS4 Output Idle state 4 14 1 TI1S TI1 selection 7 1 DCR DCR DMA control register 0x48 32 read-write n 0x0 0x0 DBA DMA base address 0 5 DBL DMA burst length 8 5 DIER DIER DMA/Interrupt enable register 0xC 32 read-write n 0x0 0x0 BIE Break interrupt enable 7 1 CC1DE Capture/Compare 1 DMA request enable 9 1 CC1IE Capture/Compare 1 interrupt enable 1 1 CC2DE Capture/Compare 2 DMA request enable 10 1 CC2IE Capture/Compare 2 interrupt enable 2 1 CC3DE Capture/Compare 3 DMA request enable 11 1 CC3IE Capture/Compare 3 interrupt enable 3 1 CC4DE Capture/Compare 4 DMA request enable 12 1 CC4IE Capture/Compare 4 interrupt enable 4 1 COMDE COM DMA request enable 13 1 COMIE COM interrupt enable 5 1 TDE Trigger DMA request enable 14 1 TIE Trigger interrupt enable 6 1 UDE Update DMA request enable 8 1 UIE Update interrupt enable 0 1 DMAR DMAR DMA address for full transfer 0x4C 32 read-write n 0x0 0x0 DMAB DMA register for burst accesses 0 16 EGR EGR event generation register 0x14 32 write-only n 0x0 0x0 BG Break generation 7 1 CC1G Capture/compare 1 generation 1 1 CC2G Capture/compare 2 generation 2 1 CC3G Capture/compare 3 generation 3 1 CC4G Capture/compare 4 generation 4 1 COMG Capture/Compare control update generation 5 1 TG Trigger generation 6 1 UG Update generation 0 1 PSC PSC prescaler 0x28 32 read-write n 0x0 0x0 PSC Prescaler value 0 16 RCR RCR repetition counter register 0x30 32 read-write n 0x0 0x0 REP Repetition counter value 0 8 SMCR SMCR slave mode control register 0x8 32 read-write n 0x0 0x0 ECE External clock enable 14 1 ETF External trigger filter 8 4 ETP External trigger polarity 15 1 ETPS External trigger prescaler 12 2 MSM Master/Slave mode 7 1 SMS Slave mode selection 0 3 TS Trigger selection 4 3 SR SR status register 0x10 32 read-write n 0x0 0x0 BIF Break interrupt flag 7 1 CC1IF Capture/compare 1 interrupt flag 1 1 CC1OF Capture/Compare 1 overcapture flag 9 1 CC2IF Capture/Compare 2 interrupt flag 2 1 CC2OF Capture/compare 2 overcapture flag 10 1 CC3IF Capture/Compare 3 interrupt flag 3 1 CC3OF Capture/Compare 3 overcapture flag 11 1 CC4IF Capture/Compare 4 interrupt flag 4 1 CC4OF Capture/Compare 4 overcapture flag 12 1 COMIF COM interrupt flag 5 1 TIF Trigger interrupt flag 6 1 UIF Update interrupt flag 0 1 TIM10 General-purpose-timers TIM 0x0 0x0 0x400 registers n SPI1 SPI1 global interrupt 35 ARR ARR auto-reload register 0x2C 32 read-write n 0x0 0x0 ARR Auto-reload value 0 16 CCER CCER capture/compare enable register 0x20 32 read-write n 0x0 0x0 CC1E Capture/Compare 1 output enable 0 1 CC1NP Capture/Compare 1 output Polarity 3 1 CC1P Capture/Compare 1 output Polarity 1 1 CCMR1_Input CCMR1_Input capture/compare mode register 1 (input mode) CCMR1_Output 0x18 32 read-write n 0x0 0x0 CC1S Capture/Compare 1 selection 0 2 IC1F Input capture 1 filter 4 4 ICPCS Input capture 1 prescaler 2 2 CCMR1_Output CCMR1_Output capture/compare mode register 1 (output mode) 0x18 32 read-write n 0x0 0x0 CC1S Capture/Compare 1 selection 0 2 OC1FE Output Compare 1 fast enable 2 1 OC1M Output Compare 1 mode 4 3 OC1PE Output Compare 1 preload enable 3 1 CCR1 CCR1 capture/compare register 1 0x34 32 read-write n 0x0 0x0 CCR1 Capture/Compare 1 value 0 16 CNT CNT counter 0x24 32 read-write n 0x0 0x0 CNT counter value 0 16 CR1 CR1 control register 1 0x0 32 read-write n 0x0 0x0 ARPE Auto-reload preload enable 7 1 CEN Counter enable 0 1 CKD Clock division 8 2 UDIS Update disable 1 1 URS Update request source 2 1 DIER DIER DMA/Interrupt enable register 0xC 32 read-write n 0x0 0x0 CC1IE Capture/Compare 1 interrupt enable 1 1 UIE Update interrupt enable 0 1 EGR EGR event generation register 0x14 32 write-only n 0x0 0x0 CC1G Capture/compare 1 generation 1 1 UG Update generation 0 1 PSC PSC prescaler 0x28 32 read-write n 0x0 0x0 PSC Prescaler value 0 16 SR SR status register 0x10 32 read-write n 0x0 0x0 CC1IF Capture/compare 1 interrupt flag 1 1 CC1OF Capture/Compare 1 overcapture flag 9 1 UIF Update interrupt flag 0 1 TIM11 General-purpose-timers TIM 0x0 0x0 0x400 registers n SPI2 SPI2 global interrupt 36 ARR ARR auto-reload register 0x2C 32 read-write n 0x0 0x0 ARR Auto-reload value 0 16 CCER CCER capture/compare enable register 0x20 32 read-write n 0x0 0x0 CC1E Capture/Compare 1 output enable 0 1 CC1NP Capture/Compare 1 output Polarity 3 1 CC1P Capture/Compare 1 output Polarity 1 1 CCMR1_Input CCMR1_Input capture/compare mode register 1 (input mode) CCMR1_Output 0x18 32 read-write n 0x0 0x0 CC1S Capture/Compare 1 selection 0 2 IC1F Input capture 1 filter 4 4 ICPCS Input capture 1 prescaler 2 2 CCMR1_Output CCMR1_Output capture/compare mode register 1 (output mode) 0x18 32 read-write n 0x0 0x0 CC1S Capture/Compare 1 selection 0 2 OC1FE Output Compare 1 fast enable 2 1 OC1M Output Compare 1 mode 4 3 OC1PE Output Compare 1 preload enable 3 1 CCR1 CCR1 capture/compare register 1 0x34 32 read-write n 0x0 0x0 CCR1 Capture/Compare 1 value 0 16 CNT CNT counter 0x24 32 read-write n 0x0 0x0 CNT counter value 0 16 CR1 CR1 control register 1 0x0 32 read-write n 0x0 0x0 ARPE Auto-reload preload enable 7 1 CEN Counter enable 0 1 CKD Clock division 8 2 UDIS Update disable 1 1 URS Update request source 2 1 DIER DIER DMA/Interrupt enable register 0xC 32 read-write n 0x0 0x0 CC1IE Capture/Compare 1 interrupt enable 1 1 UIE Update interrupt enable 0 1 EGR EGR event generation register 0x14 32 write-only n 0x0 0x0 CC1G Capture/compare 1 generation 1 1 UG Update generation 0 1 OR OR option register 0x50 32 read-write n 0x0 0x0 RMP Input 1 remapping capability 0 2 PSC PSC prescaler 0x28 32 read-write n 0x0 0x0 PSC Prescaler value 0 16 SR SR status register 0x10 32 read-write n 0x0 0x0 CC1IF Capture/compare 1 interrupt flag 1 1 CC1OF Capture/Compare 1 overcapture flag 9 1 UIF Update interrupt flag 0 1 TIM2 General purpose timers TIM 0x0 0x0 0x400 registers n SPI3 SPI3 global interrupt 51 ARR ARR auto-reload register 0x2C 32 read-write n 0x0 0x0 ARR_H High Auto-reload value 16 16 ARR_L Low Auto-reload value 0 16 CCER CCER capture/compare enable register 0x20 32 read-write n 0x0 0x0 CC1E Capture/Compare 1 output enable 0 1 CC1NP Capture/Compare 1 output Polarity 3 1 CC1P Capture/Compare 1 output Polarity 1 1 CC2E Capture/Compare 2 output enable 4 1 CC2NP Capture/Compare 2 output Polarity 7 1 CC2P Capture/Compare 2 output Polarity 5 1 CC3E Capture/Compare 3 output enable 8 1 CC3NP Capture/Compare 3 output Polarity 11 1 CC3P Capture/Compare 3 output Polarity 9 1 CC4E Capture/Compare 4 output enable 12 1 CC4NP Capture/Compare 4 output Polarity 15 1 CC4P Capture/Compare 3 output Polarity 13 1 CCMR1_Input CCMR1_Input capture/compare mode register 1 (input mode) CCMR1_Output 0x18 32 read-write n 0x0 0x0 CC1S Capture/Compare 1 selection 0 2 CC2S Capture/Compare 2 selection 8 2 IC1F Input capture 1 filter 4 4 IC2F Input capture 2 filter 12 4 IC2PCS Input capture 2 prescaler 10 2 ICPCS Input capture 1 prescaler 2 2 CCMR1_Output CCMR1_Output capture/compare mode register 1 (output mode) 0x18 32 read-write n 0x0 0x0 CC1S CC1S 0 2 CC2S CC2S 8 2 OC1CE OC1CE 7 1 OC1FE OC1FE 2 1 OC1M OC1M 4 3 OC1PE OC1PE 3 1 OC2CE OC2CE 15 1 OC2FE OC2FE 10 1 OC2M OC2M 12 3 OC2PE OC2PE 11 1 CCMR2_Input CCMR2_Input capture/compare mode register 2 (input mode) CCMR2_Output 0x1C 32 read-write n 0x0 0x0 CC3S Capture/compare 3 selection 0 2 CC4S Capture/Compare 4 selection 8 2 IC3F Input capture 3 filter 4 4 IC3PSC Input capture 3 prescaler 2 2 IC4F Input capture 4 filter 12 4 IC4PSC Input capture 4 prescaler 10 2 CCMR2_Output CCMR2_Output capture/compare mode register 2 (output mode) 0x1C 32 read-write n 0x0 0x0 CC3S CC3S 0 2 CC4S CC4S 8 2 O24CE O24CE 15 1 OC3CE OC3CE 7 1 OC3FE OC3FE 2 1 OC3M OC3M 4 3 OC3PE OC3PE 3 1 OC4FE OC4FE 10 1 OC4M OC4M 12 3 OC4PE OC4PE 11 1 CCR1 CCR1 capture/compare register 1 0x34 32 read-write n 0x0 0x0 CCR1_H High Capture/Compare 1 value 16 16 CCR1_L Low Capture/Compare 1 value 0 16 CCR2 CCR2 capture/compare register 2 0x38 32 read-write n 0x0 0x0 CCR2_H High Capture/Compare 2 value 16 16 CCR2_L Low Capture/Compare 2 value 0 16 CCR3 CCR3 capture/compare register 3 0x3C 32 read-write n 0x0 0x0 CCR3_H High Capture/Compare value 16 16 CCR3_L Low Capture/Compare value 0 16 CCR4 CCR4 capture/compare register 4 0x40 32 read-write n 0x0 0x0 CCR4_H High Capture/Compare value 16 16 CCR4_L Low Capture/Compare value 0 16 CNT CNT counter 0x24 32 read-write n 0x0 0x0 CNT_H High counter value 16 16 CNT_L Low counter value 0 16 CR1 CR1 control register 1 0x0 32 read-write n 0x0 0x0 ARPE Auto-reload preload enable 7 1 CEN Counter enable 0 1 CKD Clock division 8 2 CMS Center-aligned mode selection 5 2 DIR Direction 4 1 OPM One-pulse mode 3 1 UDIS Update disable 1 1 URS Update request source 2 1 CR2 CR2 control register 2 0x4 32 read-write n 0x0 0x0 CCDS Capture/compare DMA selection 3 1 MMS Master mode selection 4 3 TI1S TI1 selection 7 1 DCR DCR DMA control register 0x48 32 read-write n 0x0 0x0 DBA DMA base address 0 5 DBL DMA burst length 8 5 DIER DIER DMA/Interrupt enable register 0xC 32 read-write n 0x0 0x0 CC1DE Capture/Compare 1 DMA request enable 9 1 CC1IE Capture/Compare 1 interrupt enable 1 1 CC2DE Capture/Compare 2 DMA request enable 10 1 CC2IE Capture/Compare 2 interrupt enable 2 1 CC3DE Capture/Compare 3 DMA request enable 11 1 CC3IE Capture/Compare 3 interrupt enable 3 1 CC4DE Capture/Compare 4 DMA request enable 12 1 CC4IE Capture/Compare 4 interrupt enable 4 1 TDE Trigger DMA request enable 14 1 TIE Trigger interrupt enable 6 1 UDE Update DMA request enable 8 1 UIE Update interrupt enable 0 1 DMAR DMAR DMA address for full transfer 0x4C 32 read-write n 0x0 0x0 DMAB DMA register for burst accesses 0 16 EGR EGR event generation register 0x14 32 write-only n 0x0 0x0 CC1G Capture/compare 1 generation 1 1 CC2G Capture/compare 2 generation 2 1 CC3G Capture/compare 3 generation 3 1 CC4G Capture/compare 4 generation 4 1 TG Trigger generation 6 1 UG Update generation 0 1 OR OR TIM5 option register 0x50 32 read-write n 0x0 0x0 ITR1_RMP Timer Input 4 remap 10 2 PSC PSC prescaler 0x28 32 read-write n 0x0 0x0 PSC Prescaler value 0 16 SMCR SMCR slave mode control register 0x8 32 read-write n 0x0 0x0 ECE External clock enable 14 1 ETF External trigger filter 8 4 ETP External trigger polarity 15 1 ETPS External trigger prescaler 12 2 MSM Master/Slave mode 7 1 SMS Slave mode selection 0 3 TS Trigger selection 4 3 SR SR status register 0x10 32 read-write n 0x0 0x0 CC1IF Capture/compare 1 interrupt flag 1 1 CC1OF Capture/Compare 1 overcapture flag 9 1 CC2IF Capture/Compare 2 interrupt flag 2 1 CC2OF Capture/compare 2 overcapture flag 10 1 CC3IF Capture/Compare 3 interrupt flag 3 1 CC3OF Capture/Compare 3 overcapture flag 11 1 CC4IF Capture/Compare 4 interrupt flag 4 1 CC4OF Capture/Compare 4 overcapture flag 12 1 TIF Trigger interrupt flag 6 1 UIF Update interrupt flag 0 1 TIM3 General purpose timers TIM 0x0 0x0 0x400 registers n SPI4 SPI4 Global interrupt 84 ARR ARR auto-reload register 0x2C 32 read-write n 0x0 0x0 ARR_H High Auto-reload value 16 16 ARR_L Low Auto-reload value 0 16 CCER CCER capture/compare enable register 0x20 32 read-write n 0x0 0x0 CC1E Capture/Compare 1 output enable 0 1 CC1NP Capture/Compare 1 output Polarity 3 1 CC1P Capture/Compare 1 output Polarity 1 1 CC2E Capture/Compare 2 output enable 4 1 CC2NP Capture/Compare 2 output Polarity 7 1 CC2P Capture/Compare 2 output Polarity 5 1 CC3E Capture/Compare 3 output enable 8 1 CC3NP Capture/Compare 3 output Polarity 11 1 CC3P Capture/Compare 3 output Polarity 9 1 CC4E Capture/Compare 4 output enable 12 1 CC4NP Capture/Compare 4 output Polarity 15 1 CC4P Capture/Compare 3 output Polarity 13 1 CCMR1_Input CCMR1_Input capture/compare mode register 1 (input mode) CCMR1_Output 0x18 32 read-write n 0x0 0x0 CC1S Capture/Compare 1 selection 0 2 CC2S Capture/Compare 2 selection 8 2 IC1F Input capture 1 filter 4 4 IC2F Input capture 2 filter 12 4 IC2PCS Input capture 2 prescaler 10 2 ICPCS Input capture 1 prescaler 2 2 CCMR1_Output CCMR1_Output capture/compare mode register 1 (output mode) 0x18 32 read-write n 0x0 0x0 CC1S CC1S 0 2 CC2S CC2S 8 2 OC1CE OC1CE 7 1 OC1FE OC1FE 2 1 OC1M OC1M 4 3 OC1PE OC1PE 3 1 OC2CE OC2CE 15 1 OC2FE OC2FE 10 1 OC2M OC2M 12 3 OC2PE OC2PE 11 1 CCMR2_Input CCMR2_Input capture/compare mode register 2 (input mode) CCMR2_Output 0x1C 32 read-write n 0x0 0x0 CC3S Capture/compare 3 selection 0 2 CC4S Capture/Compare 4 selection 8 2 IC3F Input capture 3 filter 4 4 IC3PSC Input capture 3 prescaler 2 2 IC4F Input capture 4 filter 12 4 IC4PSC Input capture 4 prescaler 10 2 CCMR2_Output CCMR2_Output capture/compare mode register 2 (output mode) 0x1C 32 read-write n 0x0 0x0 CC3S CC3S 0 2 CC4S CC4S 8 2 O24CE O24CE 15 1 OC3CE OC3CE 7 1 OC3FE OC3FE 2 1 OC3M OC3M 4 3 OC3PE OC3PE 3 1 OC4FE OC4FE 10 1 OC4M OC4M 12 3 OC4PE OC4PE 11 1 CCR1 CCR1 capture/compare register 1 0x34 32 read-write n 0x0 0x0 CCR1_H High Capture/Compare 1 value 16 16 CCR1_L Low Capture/Compare 1 value 0 16 CCR2 CCR2 capture/compare register 2 0x38 32 read-write n 0x0 0x0 CCR2_H High Capture/Compare 2 value 16 16 CCR2_L Low Capture/Compare 2 value 0 16 CCR3 CCR3 capture/compare register 3 0x3C 32 read-write n 0x0 0x0 CCR3_H High Capture/Compare value 16 16 CCR3_L Low Capture/Compare value 0 16 CCR4 CCR4 capture/compare register 4 0x40 32 read-write n 0x0 0x0 CCR4_H High Capture/Compare value 16 16 CCR4_L Low Capture/Compare value 0 16 CNT CNT counter 0x24 32 read-write n 0x0 0x0 CNT_H High counter value 16 16 CNT_L Low counter value 0 16 CR1 CR1 control register 1 0x0 32 read-write n 0x0 0x0 ARPE Auto-reload preload enable 7 1 CEN Counter enable 0 1 CKD Clock division 8 2 CMS Center-aligned mode selection 5 2 DIR Direction 4 1 OPM One-pulse mode 3 1 UDIS Update disable 1 1 URS Update request source 2 1 CR2 CR2 control register 2 0x4 32 read-write n 0x0 0x0 CCDS Capture/compare DMA selection 3 1 MMS Master mode selection 4 3 TI1S TI1 selection 7 1 DCR DCR DMA control register 0x48 32 read-write n 0x0 0x0 DBA DMA base address 0 5 DBL DMA burst length 8 5 DIER DIER DMA/Interrupt enable register 0xC 32 read-write n 0x0 0x0 CC1DE Capture/Compare 1 DMA request enable 9 1 CC1IE Capture/Compare 1 interrupt enable 1 1 CC2DE Capture/Compare 2 DMA request enable 10 1 CC2IE Capture/Compare 2 interrupt enable 2 1 CC3DE Capture/Compare 3 DMA request enable 11 1 CC3IE Capture/Compare 3 interrupt enable 3 1 CC4DE Capture/Compare 4 DMA request enable 12 1 CC4IE Capture/Compare 4 interrupt enable 4 1 TDE Trigger DMA request enable 14 1 TIE Trigger interrupt enable 6 1 UDE Update DMA request enable 8 1 UIE Update interrupt enable 0 1 DMAR DMAR DMA address for full transfer 0x4C 32 read-write n 0x0 0x0 DMAB DMA register for burst accesses 0 16 EGR EGR event generation register 0x14 32 write-only n 0x0 0x0 CC1G Capture/compare 1 generation 1 1 CC2G Capture/compare 2 generation 2 1 CC3G Capture/compare 3 generation 3 1 CC4G Capture/compare 4 generation 4 1 TG Trigger generation 6 1 UG Update generation 0 1 PSC PSC prescaler 0x28 32 read-write n 0x0 0x0 PSC Prescaler value 0 16 SMCR SMCR slave mode control register 0x8 32 read-write n 0x0 0x0 ECE External clock enable 14 1 ETF External trigger filter 8 4 ETP External trigger polarity 15 1 ETPS External trigger prescaler 12 2 MSM Master/Slave mode 7 1 SMS Slave mode selection 0 3 TS Trigger selection 4 3 SR SR status register 0x10 32 read-write n 0x0 0x0 CC1IF Capture/compare 1 interrupt flag 1 1 CC1OF Capture/Compare 1 overcapture flag 9 1 CC2IF Capture/Compare 2 interrupt flag 2 1 CC2OF Capture/compare 2 overcapture flag 10 1 CC3IF Capture/Compare 3 interrupt flag 3 1 CC3OF Capture/Compare 3 overcapture flag 11 1 CC4IF Capture/Compare 4 interrupt flag 4 1 CC4OF Capture/Compare 4 overcapture flag 12 1 TIF Trigger interrupt flag 6 1 UIF Update interrupt flag 0 1 TIM4 General purpose timers TIM 0x0 0x0 0x400 registers n ARR ARR auto-reload register 0x2C 32 read-write n 0x0 0x0 ARR_H High Auto-reload value 16 16 ARR_L Low Auto-reload value 0 16 CCER CCER capture/compare enable register 0x20 32 read-write n 0x0 0x0 CC1E Capture/Compare 1 output enable 0 1 CC1NP Capture/Compare 1 output Polarity 3 1 CC1P Capture/Compare 1 output Polarity 1 1 CC2E Capture/Compare 2 output enable 4 1 CC2NP Capture/Compare 2 output Polarity 7 1 CC2P Capture/Compare 2 output Polarity 5 1 CC3E Capture/Compare 3 output enable 8 1 CC3NP Capture/Compare 3 output Polarity 11 1 CC3P Capture/Compare 3 output Polarity 9 1 CC4E Capture/Compare 4 output enable 12 1 CC4NP Capture/Compare 4 output Polarity 15 1 CC4P Capture/Compare 3 output Polarity 13 1 CCMR1_Input CCMR1_Input capture/compare mode register 1 (input mode) CCMR1_Output 0x18 32 read-write n 0x0 0x0 CC1S Capture/Compare 1 selection 0 2 CC2S Capture/Compare 2 selection 8 2 IC1F Input capture 1 filter 4 4 IC2F Input capture 2 filter 12 4 IC2PCS Input capture 2 prescaler 10 2 ICPCS Input capture 1 prescaler 2 2 CCMR1_Output CCMR1_Output capture/compare mode register 1 (output mode) 0x18 32 read-write n 0x0 0x0 CC1S CC1S 0 2 CC2S CC2S 8 2 OC1CE OC1CE 7 1 OC1FE OC1FE 2 1 OC1M OC1M 4 3 OC1PE OC1PE 3 1 OC2CE OC2CE 15 1 OC2FE OC2FE 10 1 OC2M OC2M 12 3 OC2PE OC2PE 11 1 CCMR2_Input CCMR2_Input capture/compare mode register 2 (input mode) CCMR2_Output 0x1C 32 read-write n 0x0 0x0 CC3S Capture/compare 3 selection 0 2 CC4S Capture/Compare 4 selection 8 2 IC3F Input capture 3 filter 4 4 IC3PSC Input capture 3 prescaler 2 2 IC4F Input capture 4 filter 12 4 IC4PSC Input capture 4 prescaler 10 2 CCMR2_Output CCMR2_Output capture/compare mode register 2 (output mode) 0x1C 32 read-write n 0x0 0x0 CC3S CC3S 0 2 CC4S CC4S 8 2 O24CE O24CE 15 1 OC3CE OC3CE 7 1 OC3FE OC3FE 2 1 OC3M OC3M 4 3 OC3PE OC3PE 3 1 OC4FE OC4FE 10 1 OC4M OC4M 12 3 OC4PE OC4PE 11 1 CCR1 CCR1 capture/compare register 1 0x34 32 read-write n 0x0 0x0 CCR1_H High Capture/Compare 1 value 16 16 CCR1_L Low Capture/Compare 1 value 0 16 CCR2 CCR2 capture/compare register 2 0x38 32 read-write n 0x0 0x0 CCR2_H High Capture/Compare 2 value 16 16 CCR2_L Low Capture/Compare 2 value 0 16 CCR3 CCR3 capture/compare register 3 0x3C 32 read-write n 0x0 0x0 CCR3_H High Capture/Compare value 16 16 CCR3_L Low Capture/Compare value 0 16 CCR4 CCR4 capture/compare register 4 0x40 32 read-write n 0x0 0x0 CCR4_H High Capture/Compare value 16 16 CCR4_L Low Capture/Compare value 0 16 CNT CNT counter 0x24 32 read-write n 0x0 0x0 CNT_H High counter value 16 16 CNT_L Low counter value 0 16 CR1 CR1 control register 1 0x0 32 read-write n 0x0 0x0 ARPE Auto-reload preload enable 7 1 CEN Counter enable 0 1 CKD Clock division 8 2 CMS Center-aligned mode selection 5 2 DIR Direction 4 1 OPM One-pulse mode 3 1 UDIS Update disable 1 1 URS Update request source 2 1 CR2 CR2 control register 2 0x4 32 read-write n 0x0 0x0 CCDS Capture/compare DMA selection 3 1 MMS Master mode selection 4 3 TI1S TI1 selection 7 1 DCR DCR DMA control register 0x48 32 read-write n 0x0 0x0 DBA DMA base address 0 5 DBL DMA burst length 8 5 DIER DIER DMA/Interrupt enable register 0xC 32 read-write n 0x0 0x0 CC1DE Capture/Compare 1 DMA request enable 9 1 CC1IE Capture/Compare 1 interrupt enable 1 1 CC2DE Capture/Compare 2 DMA request enable 10 1 CC2IE Capture/Compare 2 interrupt enable 2 1 CC3DE Capture/Compare 3 DMA request enable 11 1 CC3IE Capture/Compare 3 interrupt enable 3 1 CC4DE Capture/Compare 4 DMA request enable 12 1 CC4IE Capture/Compare 4 interrupt enable 4 1 TDE Trigger DMA request enable 14 1 TIE Trigger interrupt enable 6 1 UDE Update DMA request enable 8 1 UIE Update interrupt enable 0 1 DMAR DMAR DMA address for full transfer 0x4C 32 read-write n 0x0 0x0 DMAB DMA register for burst accesses 0 16 EGR EGR event generation register 0x14 32 write-only n 0x0 0x0 CC1G Capture/compare 1 generation 1 1 CC2G Capture/compare 2 generation 2 1 CC3G Capture/compare 3 generation 3 1 CC4G Capture/compare 4 generation 4 1 TG Trigger generation 6 1 UG Update generation 0 1 PSC PSC prescaler 0x28 32 read-write n 0x0 0x0 PSC Prescaler value 0 16 SMCR SMCR slave mode control register 0x8 32 read-write n 0x0 0x0 ECE External clock enable 14 1 ETF External trigger filter 8 4 ETP External trigger polarity 15 1 ETPS External trigger prescaler 12 2 MSM Master/Slave mode 7 1 SMS Slave mode selection 0 3 TS Trigger selection 4 3 SR SR status register 0x10 32 read-write n 0x0 0x0 CC1IF Capture/compare 1 interrupt flag 1 1 CC1OF Capture/Compare 1 overcapture flag 9 1 CC2IF Capture/Compare 2 interrupt flag 2 1 CC2OF Capture/compare 2 overcapture flag 10 1 CC3IF Capture/Compare 3 interrupt flag 3 1 CC3OF Capture/Compare 3 overcapture flag 11 1 CC4IF Capture/Compare 4 interrupt flag 4 1 CC4OF Capture/Compare 4 overcapture flag 12 1 TIF Trigger interrupt flag 6 1 UIF Update interrupt flag 0 1 TIM5 General-purpose-timers TIM 0x0 0x0 0x400 registers n ARR ARR auto-reload register 0x2C 32 read-write n 0x0 0x0 ARR_H High Auto-reload value 16 16 ARR_L Low Auto-reload value 0 16 CCER CCER capture/compare enable register 0x20 32 read-write n 0x0 0x0 CC1E Capture/Compare 1 output enable 0 1 CC1NP Capture/Compare 1 output Polarity 3 1 CC1P Capture/Compare 1 output Polarity 1 1 CC2E Capture/Compare 2 output enable 4 1 CC2NP Capture/Compare 2 output Polarity 7 1 CC2P Capture/Compare 2 output Polarity 5 1 CC3E Capture/Compare 3 output enable 8 1 CC3NP Capture/Compare 3 output Polarity 11 1 CC3P Capture/Compare 3 output Polarity 9 1 CC4E Capture/Compare 4 output enable 12 1 CC4NP Capture/Compare 4 output Polarity 15 1 CC4P Capture/Compare 3 output Polarity 13 1 CCMR1_Input CCMR1_Input capture/compare mode register 1 (input mode) CCMR1_Output 0x18 32 read-write n 0x0 0x0 CC1S Capture/Compare 1 selection 0 2 CC2S Capture/Compare 2 selection 8 2 IC1F Input capture 1 filter 4 4 IC2F Input capture 2 filter 12 4 IC2PCS Input capture 2 prescaler 10 2 ICPCS Input capture 1 prescaler 2 2 CCMR1_Output CCMR1_Output capture/compare mode register 1 (output mode) 0x18 32 read-write n 0x0 0x0 CC1S CC1S 0 2 CC2S CC2S 8 2 OC1CE OC1CE 7 1 OC1FE OC1FE 2 1 OC1M OC1M 4 3 OC1PE OC1PE 3 1 OC2CE OC2CE 15 1 OC2FE OC2FE 10 1 OC2M OC2M 12 3 OC2PE OC2PE 11 1 CCMR2_Input CCMR2_Input capture/compare mode register 2 (input mode) CCMR2_Output 0x1C 32 read-write n 0x0 0x0 CC3S Capture/compare 3 selection 0 2 CC4S Capture/Compare 4 selection 8 2 IC3F Input capture 3 filter 4 4 IC3PSC Input capture 3 prescaler 2 2 IC4F Input capture 4 filter 12 4 IC4PSC Input capture 4 prescaler 10 2 CCMR2_Output CCMR2_Output capture/compare mode register 2 (output mode) 0x1C 32 read-write n 0x0 0x0 CC3S CC3S 0 2 CC4S CC4S 8 2 O24CE O24CE 15 1 OC3CE OC3CE 7 1 OC3FE OC3FE 2 1 OC3M OC3M 4 3 OC3PE OC3PE 3 1 OC4FE OC4FE 10 1 OC4M OC4M 12 3 OC4PE OC4PE 11 1 CCR1 CCR1 capture/compare register 1 0x34 32 read-write n 0x0 0x0 CCR1_H High Capture/Compare 1 value 16 16 CCR1_L Low Capture/Compare 1 value 0 16 CCR2 CCR2 capture/compare register 2 0x38 32 read-write n 0x0 0x0 CCR2_H High Capture/Compare 2 value 16 16 CCR2_L Low Capture/Compare 2 value 0 16 CCR3 CCR3 capture/compare register 3 0x3C 32 read-write n 0x0 0x0 CCR3_H High Capture/Compare value 16 16 CCR3_L Low Capture/Compare value 0 16 CCR4 CCR4 capture/compare register 4 0x40 32 read-write n 0x0 0x0 CCR4_H High Capture/Compare value 16 16 CCR4_L Low Capture/Compare value 0 16 CNT CNT counter 0x24 32 read-write n 0x0 0x0 CNT_H High counter value 16 16 CNT_L Low counter value 0 16 CR1 CR1 control register 1 0x0 32 read-write n 0x0 0x0 ARPE Auto-reload preload enable 7 1 CEN Counter enable 0 1 CKD Clock division 8 2 CMS Center-aligned mode selection 5 2 DIR Direction 4 1 OPM One-pulse mode 3 1 UDIS Update disable 1 1 URS Update request source 2 1 CR2 CR2 control register 2 0x4 32 read-write n 0x0 0x0 CCDS Capture/compare DMA selection 3 1 MMS Master mode selection 4 3 TI1S TI1 selection 7 1 DCR DCR DMA control register 0x48 32 read-write n 0x0 0x0 DBA DMA base address 0 5 DBL DMA burst length 8 5 DIER DIER DMA/Interrupt enable register 0xC 32 read-write n 0x0 0x0 CC1DE Capture/Compare 1 DMA request enable 9 1 CC1IE Capture/Compare 1 interrupt enable 1 1 CC2DE Capture/Compare 2 DMA request enable 10 1 CC2IE Capture/Compare 2 interrupt enable 2 1 CC3DE Capture/Compare 3 DMA request enable 11 1 CC3IE Capture/Compare 3 interrupt enable 3 1 CC4DE Capture/Compare 4 DMA request enable 12 1 CC4IE Capture/Compare 4 interrupt enable 4 1 TDE Trigger DMA request enable 14 1 TIE Trigger interrupt enable 6 1 UDE Update DMA request enable 8 1 UIE Update interrupt enable 0 1 DMAR DMAR DMA address for full transfer 0x4C 32 read-write n 0x0 0x0 DMAB DMA register for burst accesses 0 16 EGR EGR event generation register 0x14 32 write-only n 0x0 0x0 CC1G Capture/compare 1 generation 1 1 CC2G Capture/compare 2 generation 2 1 CC3G Capture/compare 3 generation 3 1 CC4G Capture/compare 4 generation 4 1 TG Trigger generation 6 1 UG Update generation 0 1 OR OR TIM5 option register 0x50 32 read-write n 0x0 0x0 IT4_RMP Timer Input 4 remap 6 2 PSC PSC prescaler 0x28 32 read-write n 0x0 0x0 PSC Prescaler value 0 16 SMCR SMCR slave mode control register 0x8 32 read-write n 0x0 0x0 ECE External clock enable 14 1 ETF External trigger filter 8 4 ETP External trigger polarity 15 1 ETPS External trigger prescaler 12 2 MSM Master/Slave mode 7 1 SMS Slave mode selection 0 3 TS Trigger selection 4 3 SR SR status register 0x10 32 read-write n 0x0 0x0 CC1IF Capture/compare 1 interrupt flag 1 1 CC1OF Capture/Compare 1 overcapture flag 9 1 CC2IF Capture/Compare 2 interrupt flag 2 1 CC2OF Capture/compare 2 overcapture flag 10 1 CC3IF Capture/Compare 3 interrupt flag 3 1 CC3OF Capture/Compare 3 overcapture flag 11 1 CC4IF Capture/Compare 4 interrupt flag 4 1 CC4OF Capture/Compare 4 overcapture flag 12 1 TIF Trigger interrupt flag 6 1 UIF Update interrupt flag 0 1 TIM8 Advanced-timers TIM 0x0 0x0 0x400 registers n ARR ARR auto-reload register 0x2C 32 read-write n 0x0 0x0 ARR Auto-reload value 0 16 BDTR BDTR break and dead-time register 0x44 32 read-write n 0x0 0x0 AOE Automatic output enable 14 1 BKE Break enable 12 1 BKP Break polarity 13 1 DTG Dead-time generator setup 0 8 LOCK Lock configuration 8 2 MOE Main output enable 15 1 OSSI Off-state selection for Idle mode 10 1 OSSR Off-state selection for Run mode 11 1 CCER CCER capture/compare enable register 0x20 32 read-write n 0x0 0x0 CC1E Capture/Compare 1 output enable 0 1 CC1NE Capture/Compare 1 complementary output enable 2 1 CC1NP Capture/Compare 1 output Polarity 3 1 CC1P Capture/Compare 1 output Polarity 1 1 CC2E Capture/Compare 2 output enable 4 1 CC2NE Capture/Compare 2 complementary output enable 6 1 CC2NP Capture/Compare 2 output Polarity 7 1 CC2P Capture/Compare 2 output Polarity 5 1 CC3E Capture/Compare 3 output enable 8 1 CC3NE Capture/Compare 3 complementary output enable 10 1 CC3NP Capture/Compare 3 output Polarity 11 1 CC3P Capture/Compare 3 output Polarity 9 1 CC4E Capture/Compare 4 output enable 12 1 CC4P Capture/Compare 3 output Polarity 13 1 CCMR1_Input CCMR1_Input capture/compare mode register 1 (input mode) CCMR1_Output 0x18 32 read-write n 0x0 0x0 CC1S Capture/Compare 1 selection 0 2 CC2S Capture/Compare 2 selection 8 2 IC1F Input capture 1 filter 4 4 IC2F Input capture 2 filter 12 4 IC2PCS Input capture 2 prescaler 10 2 ICPCS Input capture 1 prescaler 2 2 CCMR1_Output CCMR1_Output capture/compare mode register 1 (output mode) 0x18 32 read-write n 0x0 0x0 CC1S Capture/Compare 1 selection 0 2 CC2S Capture/Compare 2 selection 8 2 OC1CE Output Compare 1 clear enable 7 1 OC1FE Output Compare 1 fast enable 2 1 OC1M Output Compare 1 mode 4 3 OC1PE Output Compare 1 preload enable 3 1 OC2CE Output Compare 2 clear enable 15 1 OC2FE Output Compare 2 fast enable 10 1 OC2M Output Compare 2 mode 12 3 OC2PE Output Compare 2 preload enable 11 1 CCMR2_Input CCMR2_Input capture/compare mode register 2 (input mode) CCMR2_Output 0x1C 32 read-write n 0x0 0x0 CC3S Capture/compare 3 selection 0 2 CC4S Capture/Compare 4 selection 8 2 IC3F Input capture 3 filter 4 4 IC3PSC Input capture 3 prescaler 2 2 IC4F Input capture 4 filter 12 4 IC4PSC Input capture 4 prescaler 10 2 CCMR2_Output CCMR2_Output capture/compare mode register 2 (output mode) 0x1C 32 read-write n 0x0 0x0 CC3S Capture/Compare 3 selection 0 2 CC4S Capture/Compare 4 selection 8 2 OC3CE Output compare 3 clear enable 7 1 OC3FE Output compare 3 fast enable 2 1 OC3M Output compare 3 mode 4 3 OC3PE Output compare 3 preload enable 3 1 OC4CE Output compare 4 clear enable 15 1 OC4FE Output compare 4 fast enable 10 1 OC4M Output compare 4 mode 12 3 OC4PE Output compare 4 preload enable 11 1 CCR1 CCR1 capture/compare register 1 0x34 32 read-write n 0x0 0x0 CCR1 Capture/Compare 1 value 0 16 CCR2 CCR2 capture/compare register 2 0x38 32 read-write n 0x0 0x0 CCR2 Capture/Compare 2 value 0 16 CCR3 CCR3 capture/compare register 3 0x3C 32 read-write n 0x0 0x0 CCR3 Capture/Compare value 0 16 CCR4 CCR4 capture/compare register 4 0x40 32 read-write n 0x0 0x0 CCR4 Capture/Compare value 0 16 CNT CNT counter 0x24 32 read-write n 0x0 0x0 CNT counter value 0 16 CR1 CR1 control register 1 0x0 32 read-write n 0x0 0x0 ARPE Auto-reload preload enable 7 1 CEN Counter enable 0 1 CKD Clock division 8 2 CMS Center-aligned mode selection 5 2 DIR Direction 4 1 OPM One-pulse mode 3 1 UDIS Update disable 1 1 URS Update request source 2 1 CR2 CR2 control register 2 0x4 32 read-write n 0x0 0x0 CCDS Capture/compare DMA selection 3 1 CCPC Capture/compare preloaded control 0 1 CCUS Capture/compare control update selection 2 1 MMS Master mode selection 4 3 OIS1 Output Idle state 1 8 1 OIS1N Output Idle state 1 9 1 OIS2 Output Idle state 2 10 1 OIS2N Output Idle state 2 11 1 OIS3 Output Idle state 3 12 1 OIS3N Output Idle state 3 13 1 OIS4 Output Idle state 4 14 1 TI1S TI1 selection 7 1 DCR DCR DMA control register 0x48 32 read-write n 0x0 0x0 DBA DMA base address 0 5 DBL DMA burst length 8 5 DIER DIER DMA/Interrupt enable register 0xC 32 read-write n 0x0 0x0 BIE Break interrupt enable 7 1 CC1DE Capture/Compare 1 DMA request enable 9 1 CC1IE Capture/Compare 1 interrupt enable 1 1 CC2DE Capture/Compare 2 DMA request enable 10 1 CC2IE Capture/Compare 2 interrupt enable 2 1 CC3DE Capture/Compare 3 DMA request enable 11 1 CC3IE Capture/Compare 3 interrupt enable 3 1 CC4DE Capture/Compare 4 DMA request enable 12 1 CC4IE Capture/Compare 4 interrupt enable 4 1 COMDE COM DMA request enable 13 1 COMIE COM interrupt enable 5 1 TDE Trigger DMA request enable 14 1 TIE Trigger interrupt enable 6 1 UDE Update DMA request enable 8 1 UIE Update interrupt enable 0 1 DMAR DMAR DMA address for full transfer 0x4C 32 read-write n 0x0 0x0 DMAB DMA register for burst accesses 0 16 EGR EGR event generation register 0x14 32 write-only n 0x0 0x0 BG Break generation 7 1 CC1G Capture/compare 1 generation 1 1 CC2G Capture/compare 2 generation 2 1 CC3G Capture/compare 3 generation 3 1 CC4G Capture/compare 4 generation 4 1 COMG Capture/Compare control update generation 5 1 TG Trigger generation 6 1 UG Update generation 0 1 PSC PSC prescaler 0x28 32 read-write n 0x0 0x0 PSC Prescaler value 0 16 RCR RCR repetition counter register 0x30 32 read-write n 0x0 0x0 REP Repetition counter value 0 8 SMCR SMCR slave mode control register 0x8 32 read-write n 0x0 0x0 ECE External clock enable 14 1 ETF External trigger filter 8 4 ETP External trigger polarity 15 1 ETPS External trigger prescaler 12 2 MSM Master/Slave mode 7 1 SMS Slave mode selection 0 3 TS Trigger selection 4 3 SR SR status register 0x10 32 read-write n 0x0 0x0 BIF Break interrupt flag 7 1 CC1IF Capture/compare 1 interrupt flag 1 1 CC1OF Capture/Compare 1 overcapture flag 9 1 CC2IF Capture/Compare 2 interrupt flag 2 1 CC2OF Capture/compare 2 overcapture flag 10 1 CC3IF Capture/Compare 3 interrupt flag 3 1 CC3OF Capture/Compare 3 overcapture flag 11 1 CC4IF Capture/Compare 4 interrupt flag 4 1 CC4OF Capture/Compare 4 overcapture flag 12 1 COMIF COM interrupt flag 5 1 TIF Trigger interrupt flag 6 1 UIF Update interrupt flag 0 1 TIM9 General purpose timers TIM 0x0 0x0 0x400 registers n ARR ARR auto-reload register 0x2C 32 read-write n 0x0 0x0 ARR Auto-reload value 0 16 CCER CCER capture/compare enable register 0x20 32 read-write n 0x0 0x0 CC1E Capture/Compare 1 output enable 0 1 CC1NP Capture/Compare 1 output Polarity 3 1 CC1P Capture/Compare 1 output Polarity 1 1 CC2E Capture/Compare 2 output enable 4 1 CC2NP Capture/Compare 2 output Polarity 7 1 CC2P Capture/Compare 2 output Polarity 5 1 CCMR1_Input CCMR1_Input capture/compare mode register 1 (input mode) CCMR1_Output 0x18 32 read-write n 0x0 0x0 CC1S Capture/Compare 1 selection 0 2 CC2S Capture/Compare 2 selection 8 2 IC1F Input capture 1 filter 4 3 IC2F Input capture 2 filter 12 3 IC2PCS Input capture 2 prescaler 10 2 ICPCS Input capture 1 prescaler 2 2 CCMR1_Output CCMR1_Output capture/compare mode register 1 (output mode) 0x18 32 read-write n 0x0 0x0 CC1S Capture/Compare 1 selection 0 2 CC2S Capture/Compare 2 selection 8 2 OC1FE Output Compare 1 fast enable 2 1 OC1M Output Compare 1 mode 4 3 OC1PE Output Compare 1 preload enable 3 1 OC2FE Output Compare 2 fast enable 10 1 OC2M Output Compare 2 mode 12 3 OC2PE Output Compare 2 preload enable 11 1 CCR1 CCR1 capture/compare register 1 0x34 32 read-write n 0x0 0x0 CCR1 Capture/Compare 1 value 0 16 CCR2 CCR2 capture/compare register 2 0x38 32 read-write n 0x0 0x0 CCR2 Capture/Compare 2 value 0 16 CNT CNT counter 0x24 32 read-write n 0x0 0x0 CNT counter value 0 16 CR1 CR1 control register 1 0x0 32 read-write n 0x0 0x0 ARPE Auto-reload preload enable 7 1 CEN Counter enable 0 1 CKD Clock division 8 2 OPM One-pulse mode 3 1 UDIS Update disable 1 1 URS Update request source 2 1 CR2 CR2 control register 2 0x4 32 read-write n 0x0 0x0 MMS Master mode selection 4 3 DIER DIER DMA/Interrupt enable register 0xC 32 read-write n 0x0 0x0 CC1IE Capture/Compare 1 interrupt enable 1 1 CC2IE Capture/Compare 2 interrupt enable 2 1 TIE Trigger interrupt enable 6 1 UIE Update interrupt enable 0 1 EGR EGR event generation register 0x14 32 write-only n 0x0 0x0 CC1G Capture/compare 1 generation 1 1 CC2G Capture/compare 2 generation 2 1 TG Trigger generation 6 1 UG Update generation 0 1 PSC PSC prescaler 0x28 32 read-write n 0x0 0x0 PSC Prescaler value 0 16 SMCR SMCR slave mode control register 0x8 32 read-write n 0x0 0x0 MSM Master/Slave mode 7 1 SMS Slave mode selection 0 3 TS Trigger selection 4 3 SR SR status register 0x10 32 read-write n 0x0 0x0 CC1IF Capture/compare 1 interrupt flag 1 1 CC1OF Capture/Compare 1 overcapture flag 9 1 CC2IF Capture/Compare 2 interrupt flag 2 1 CC2OF Capture/compare 2 overcapture flag 10 1 TIF Trigger interrupt flag 6 1 UIF Update interrupt flag 0 1 USART1 Universal synchronous asynchronous receiver transmitter USART 0x0 0x0 0x400 registers n OTG_FS_WKUP USB On-The-Go FS Wakeup through EXTI line interrupt 42 OTG_FS USB On The Go FS global interrupt 67 BRR BRR Baud rate register 0x8 32 read-write n 0x0 0x0 DIV_Fraction fraction of USARTDIV 0 4 DIV_Mantissa mantissa of USARTDIV 4 12 CR1 CR1 Control register 1 0xC 32 read-write n 0x0 0x0 IDLEIE IDLE interrupt enable 4 1 M Word length 12 1 OVER8 Oversampling mode 15 1 PCE Parity control enable 10 1 PEIE PE interrupt enable 8 1 PS Parity selection 9 1 RE Receiver enable 2 1 RWU Receiver wakeup 1 1 RXNEIE RXNE interrupt enable 5 1 SBK Send break 0 1 TCIE Transmission complete interrupt enable 6 1 TE Transmitter enable 3 1 TXEIE TXE interrupt enable 7 1 UE USART enable 13 1 WAKE Wakeup method 11 1 CR2 CR2 Control register 2 0x10 32 read-write n 0x0 0x0 ADD Address of the USART node 0 4 CLKEN Clock enable 11 1 CPHA Clock phase 9 1 CPOL Clock polarity 10 1 LBCL Last bit clock pulse 8 1 LBDIE LIN break detection interrupt enable 6 1 LBDL lin break detection length 5 1 LINEN LIN mode enable 14 1 STOP STOP bits 12 2 CR3 CR3 Control register 3 0x14 32 read-write n 0x0 0x0 CTSE CTS enable 9 1 CTSIE CTS interrupt enable 10 1 DMAR DMA enable receiver 6 1 DMAT DMA enable transmitter 7 1 EIE Error interrupt enable 0 1 HDSEL Half-duplex selection 3 1 IREN IrDA mode enable 1 1 IRLP IrDA low-power 2 1 NACK Smartcard NACK enable 4 1 ONEBIT One sample bit method enable 11 1 RTSE RTS enable 8 1 SCEN Smartcard mode enable 5 1 DR DR Data register 0x4 32 read-write n 0x0 0x0 DR Data value 0 9 GTPR GTPR Guard time and prescaler register 0x18 32 read-write n 0x0 0x0 GT Guard time value 8 8 PSC Prescaler value 0 8 SR SR Status register 0x0 32 read-write n 0x0 0x0 CTS CTS flag 9 1 read-write FE Framing error 1 1 read-only IDLE IDLE line detected 4 1 read-only LBD LIN break detection flag 8 1 read-write NF Noise detected flag 2 1 read-only ORE Overrun error 3 1 read-only PE Parity error 0 1 read-only RXNE Read data register not empty 5 1 read-write TC Transmission complete 6 1 read-write TXE Transmit data register empty 7 1 read-only USART2 Universal synchronous asynchronous receiver transmitter USART 0x0 0x0 0x400 registers n BRR BRR Baud rate register 0x8 32 read-write n 0x0 0x0 DIV_Fraction fraction of USARTDIV 0 4 DIV_Mantissa mantissa of USARTDIV 4 12 CR1 CR1 Control register 1 0xC 32 read-write n 0x0 0x0 IDLEIE IDLE interrupt enable 4 1 M Word length 12 1 OVER8 Oversampling mode 15 1 PCE Parity control enable 10 1 PEIE PE interrupt enable 8 1 PS Parity selection 9 1 RE Receiver enable 2 1 RWU Receiver wakeup 1 1 RXNEIE RXNE interrupt enable 5 1 SBK Send break 0 1 TCIE Transmission complete interrupt enable 6 1 TE Transmitter enable 3 1 TXEIE TXE interrupt enable 7 1 UE USART enable 13 1 WAKE Wakeup method 11 1 CR2 CR2 Control register 2 0x10 32 read-write n 0x0 0x0 ADD Address of the USART node 0 4 CLKEN Clock enable 11 1 CPHA Clock phase 9 1 CPOL Clock polarity 10 1 LBCL Last bit clock pulse 8 1 LBDIE LIN break detection interrupt enable 6 1 LBDL lin break detection length 5 1 LINEN LIN mode enable 14 1 STOP STOP bits 12 2 CR3 CR3 Control register 3 0x14 32 read-write n 0x0 0x0 CTSE CTS enable 9 1 CTSIE CTS interrupt enable 10 1 DMAR DMA enable receiver 6 1 DMAT DMA enable transmitter 7 1 EIE Error interrupt enable 0 1 HDSEL Half-duplex selection 3 1 IREN IrDA mode enable 1 1 IRLP IrDA low-power 2 1 NACK Smartcard NACK enable 4 1 ONEBIT One sample bit method enable 11 1 RTSE RTS enable 8 1 SCEN Smartcard mode enable 5 1 DR DR Data register 0x4 32 read-write n 0x0 0x0 DR Data value 0 9 GTPR GTPR Guard time and prescaler register 0x18 32 read-write n 0x0 0x0 GT Guard time value 8 8 PSC Prescaler value 0 8 SR SR Status register 0x0 32 read-write n 0x0 0x0 CTS CTS flag 9 1 read-write FE Framing error 1 1 read-only IDLE IDLE line detected 4 1 read-only LBD LIN break detection flag 8 1 read-write NF Noise detected flag 2 1 read-only ORE Overrun error 3 1 read-only PE Parity error 0 1 read-only RXNE Read data register not empty 5 1 read-write TC Transmission complete 6 1 read-write TXE Transmit data register empty 7 1 read-only USART6 Universal synchronous asynchronous receiver transmitter USART 0x0 0x0 0x400 registers n BRR BRR Baud rate register 0x8 32 read-write n 0x0 0x0 DIV_Fraction fraction of USARTDIV 0 4 DIV_Mantissa mantissa of USARTDIV 4 12 CR1 CR1 Control register 1 0xC 32 read-write n 0x0 0x0 IDLEIE IDLE interrupt enable 4 1 M Word length 12 1 OVER8 Oversampling mode 15 1 PCE Parity control enable 10 1 PEIE PE interrupt enable 8 1 PS Parity selection 9 1 RE Receiver enable 2 1 RWU Receiver wakeup 1 1 RXNEIE RXNE interrupt enable 5 1 SBK Send break 0 1 TCIE Transmission complete interrupt enable 6 1 TE Transmitter enable 3 1 TXEIE TXE interrupt enable 7 1 UE USART enable 13 1 WAKE Wakeup method 11 1 CR2 CR2 Control register 2 0x10 32 read-write n 0x0 0x0 ADD Address of the USART node 0 4 CLKEN Clock enable 11 1 CPHA Clock phase 9 1 CPOL Clock polarity 10 1 LBCL Last bit clock pulse 8 1 LBDIE LIN break detection interrupt enable 6 1 LBDL lin break detection length 5 1 LINEN LIN mode enable 14 1 STOP STOP bits 12 2 CR3 CR3 Control register 3 0x14 32 read-write n 0x0 0x0 CTSE CTS enable 9 1 CTSIE CTS interrupt enable 10 1 DMAR DMA enable receiver 6 1 DMAT DMA enable transmitter 7 1 EIE Error interrupt enable 0 1 HDSEL Half-duplex selection 3 1 IREN IrDA mode enable 1 1 IRLP IrDA low-power 2 1 NACK Smartcard NACK enable 4 1 ONEBIT One sample bit method enable 11 1 RTSE RTS enable 8 1 SCEN Smartcard mode enable 5 1 DR DR Data register 0x4 32 read-write n 0x0 0x0 DR Data value 0 9 GTPR GTPR Guard time and prescaler register 0x18 32 read-write n 0x0 0x0 GT Guard time value 8 8 PSC Prescaler value 0 8 SR SR Status register 0x0 32 read-write n 0x0 0x0 CTS CTS flag 9 1 read-write FE Framing error 1 1 read-only IDLE IDLE line detected 4 1 read-only LBD LIN break detection flag 8 1 read-write NF Noise detected flag 2 1 read-only ORE Overrun error 3 1 read-only PE Parity error 0 1 read-only RXNE Read data register not empty 5 1 read-write TC Transmission complete 6 1 read-write TXE Transmit data register empty 7 1 read-only WWDG Window watchdog WWDG 0x0 0x0 0x400 registers n PVD PVD through EXTI Line detection interrupt 1 CFR CFR Configuration register 0x4 32 read-write n 0x0 0x0 EWI Early wakeup interrupt 9 1 W 7-bit window value 0 7 WDGTB0 Timer base 7 1 WDGTB1 Timer base 8 1 CR CR Control register 0x0 32 read-write n 0x0 0x0 T 7-bit counter (MSB to LSB) 0 7 WDGA Activation bit 7 1 SR SR Status register 0x8 32 read-write n 0x0 0x0 EWIF Early wakeup interrupt flag 0 1