\n
address_offset : 0x0 Bytes (0x0)
size : 0x400 byte (0x0)
mem_usage : registers
protection :
Clock control register
address_offset : 0x0 Bytes (0x0)
size : 32 bit
reset_value : 0x0
reset_Mask : 0x0
HSION : Internal High Speed clock
enable
bits : 0 - 0 (1 bit)
access : read-write
HSIRDY : Internal High Speed clock ready
flag
bits : 1 - 1 (1 bit)
access : read-only
HSITRIM : Internal High Speed clock
trimming
bits : 3 - 7 (5 bit)
access : read-write
HSICAL : Internal High Speed clock
Calibration
bits : 8 - 15 (8 bit)
access : read-only
HSEON : External High Speed clock
enable
bits : 16 - 16 (1 bit)
access : read-write
HSERDY : External High Speed clock ready
flag
bits : 17 - 17 (1 bit)
access : read-only
HSEBYP : External High Speed clock
Bypass
bits : 18 - 18 (1 bit)
access : read-write
CSSON : Clock Security System
enable
bits : 19 - 19 (1 bit)
access : read-write
PLLON : PLL enable
bits : 24 - 24 (1 bit)
access : read-write
PLLRDY : PLL clock ready flag
bits : 25 - 25 (1 bit)
access : read-only
PLL2ON : PLL2 enable
bits : 26 - 26 (1 bit)
access : read-write
PLL2RDY : PLL2 clock ready flag
bits : 27 - 27 (1 bit)
access : read-only
PLL3ON : PLL3 enable
bits : 28 - 28 (1 bit)
access : read-write
PLL3RDY : PLL3 clock ready flag
bits : 29 - 29 (1 bit)
access : read-only
APB1 peripheral reset register
(RCC_APB1PRSTR)
address_offset : 0x10 Bytes (0x0)
size : 32 bit
access : read-write
reset_value : 0x0
reset_Mask : 0x0
TIM2RST : Timer 2 reset
bits : 0 - 0 (1 bit)
TIM3RST : Timer 3 reset
bits : 1 - 1 (1 bit)
TIM4RST : Timer 4 reset
bits : 2 - 2 (1 bit)
TIM5RST : Timer 5 reset
bits : 3 - 3 (1 bit)
TIM6RST : Timer 6 reset
bits : 4 - 4 (1 bit)
TIM7RST : Timer 7 reset
bits : 5 - 5 (1 bit)
UART6RST : UART 6 reset
bits : 6 - 6 (1 bit)
UART7RST : UART 7 reset
bits : 7 - 7 (1 bit)
UART8RST : UART 8 reset
bits : 8 - 8 (1 bit)
WWDGRST : Window watchdog reset
bits : 11 - 11 (1 bit)
SPI2RST : SPI2 reset
bits : 14 - 14 (1 bit)
SPI3RST : SPI3 reset
bits : 15 - 15 (1 bit)
USART2RST : USART 2 reset
bits : 17 - 17 (1 bit)
USART3RST : USART 3 reset
bits : 18 - 18 (1 bit)
USART4RST : USART 4 reset
bits : 19 - 19 (1 bit)
USART5RST : USART 5 reset
bits : 20 - 20 (1 bit)
I2C1RST : I2C1 reset
bits : 21 - 21 (1 bit)
I2C2RST : I2C2 reset
bits : 22 - 22 (1 bit)
USBDRST : USBD reset
bits : 23 - 23 (1 bit)
CAN1RST : CAN1 reset
bits : 25 - 25 (1 bit)
CAN2RST : CAN2 reset
bits : 26 - 26 (1 bit)
BKPRST : Backup interface reset
bits : 27 - 27 (1 bit)
PWRRST : Power interface reset
bits : 28 - 28 (1 bit)
DACRST : DAC interface reset
bits : 29 - 29 (1 bit)
AHB Peripheral Clock enable register
(RCC_AHBPCENR)
address_offset : 0x14 Bytes (0x0)
size : 32 bit
access : read-write
reset_value : 0x0
reset_Mask : 0x0
DMA1EN : DMA clock enable
bits : 0 - 0 (1 bit)
DMA2EN : DMA2 clock enable
bits : 1 - 1 (1 bit)
SRAMEN : SRAM interface clock
enable
bits : 2 - 2 (1 bit)
FLITFEN : FLITF clock enable
bits : 4 - 4 (1 bit)
CRCEN : CRC clock enable
bits : 6 - 6 (1 bit)
FSMCEN : FSMC clock enable
bits : 8 - 8 (1 bit)
TRNG_EN : TRNG clock enable
bits : 9 - 9 (1 bit)
SDIOEN : SDIO clock enable
bits : 10 - 10 (1 bit)
USBHS_EN : USBHS clock enable
bits : 11 - 11 (1 bit)
OTG_EN : OTG clock enable
bits : 12 - 12 (1 bit)
DVP_EN : DVP clock enable
bits : 13 - 13 (1 bit)
ETHMACEN : Ethernet MAC clock enable
bits : 14 - 14 (1 bit)
ETHMACTXEN : Ethernet MAC TX clock
enable
bits : 15 - 15 (1 bit)
ETHMACRXEN : Ethernet MAC RX clock
enable
bits : 16 - 16 (1 bit)
APB2 peripheral clock enable register
(RCC_APB2PCENR)
address_offset : 0x18 Bytes (0x0)
size : 32 bit
access : read-write
reset_value : 0x0
reset_Mask : 0x0
AFIOEN : Alternate function I/O clock
enable
bits : 0 - 0 (1 bit)
IOPAEN : I/O port A clock enable
bits : 2 - 2 (1 bit)
IOPBEN : I/O port B clock enable
bits : 3 - 3 (1 bit)
IOPCEN : I/O port C clock enable
bits : 4 - 4 (1 bit)
IOPDEN : I/O port D clock enable
bits : 5 - 5 (1 bit)
IOPEEN : I/O port E clock enable
bits : 6 - 6 (1 bit)
ADC1EN : ADC1 interface clock
enable
bits : 9 - 9 (1 bit)
ADC2EN : ADC 2 interface clock
enable
bits : 10 - 10 (1 bit)
TIM1EN : TIM1 Timer clock enable
bits : 11 - 11 (1 bit)
SPI1EN : SPI 1 clock enable
bits : 12 - 12 (1 bit)
TIM8EN : TIM8 Timer clock enable
bits : 13 - 13 (1 bit)
USART1EN : USART1 clock enable
bits : 14 - 14 (1 bit)
TIM9_EN : TIM9 Timer clock enable
bits : 19 - 19 (1 bit)
TIM10_EN : TIM10 Timer clock enable
bits : 20 - 20 (1 bit)
APB1 peripheral clock enable register
(RCC_APB1PCENR)
address_offset : 0x1C Bytes (0x0)
size : 32 bit
access : read-write
reset_value : 0x0
reset_Mask : 0x0
TIM2EN : Timer 2 clock enable
bits : 0 - 0 (1 bit)
TIM3EN : Timer 3 clock enable
bits : 1 - 1 (1 bit)
TIM4EN : Timer 4 clock enable
bits : 2 - 2 (1 bit)
TIM5EN : Timer 5 clock enable
bits : 3 - 3 (1 bit)
TIM6EN : Timer 6 clock enable
bits : 4 - 4 (1 bit)
TIM7EN : Timer 7 clock enable
bits : 5 - 5 (1 bit)
USART6_EN : USART 6 clock enable
bits : 6 - 6 (1 bit)
USART7_EN : USART 7 clock enable
bits : 7 - 7 (1 bit)
USART8_EN : USART 8 clock enable
bits : 8 - 8 (1 bit)
WWDGEN : Window watchdog clock
enable
bits : 11 - 11 (1 bit)
SPI2EN : SPI 2 clock enable
bits : 14 - 14 (1 bit)
SPI3EN : SPI 3 clock enable
bits : 15 - 15 (1 bit)
USART2EN : USART 2 clock enable
bits : 17 - 17 (1 bit)
USART3EN : USART 3 clock enable
bits : 18 - 18 (1 bit)
UART4EN : UART 4 clock enable
bits : 19 - 19 (1 bit)
UART5EN : UART 5 clock enable
bits : 20 - 20 (1 bit)
I2C1EN : I2C 1 clock enable
bits : 21 - 21 (1 bit)
I2C2EN : I2C 2 clock enable
bits : 22 - 22 (1 bit)
USBDEN : USBD clock enable
bits : 23 - 23 (1 bit)
CAN1EN : CAN1 clock enable
bits : 25 - 25 (1 bit)
CAN2EN : CAN2 clock enable
bits : 26 - 26 (1 bit)
BKPEN : Backup interface clock
enable
bits : 27 - 27 (1 bit)
PWREN : Power interface clock
enable
bits : 28 - 28 (1 bit)
DACEN : DAC interface clock enable
bits : 29 - 29 (1 bit)
Backup domain control register
(RCC_BDCTLR)
address_offset : 0x20 Bytes (0x0)
size : 32 bit
reset_value : 0x0
reset_Mask : 0x0
LSEON : External Low Speed oscillator
enable
bits : 0 - 0 (1 bit)
access : read-write
LSERDY : External Low Speed oscillator
ready
bits : 1 - 1 (1 bit)
access : read-only
LSEBYP : External Low Speed oscillator
bypass
bits : 2 - 2 (1 bit)
access : read-write
RTCSEL : RTC clock source selection
bits : 8 - 9 (2 bit)
access : read-write
RTCEN : RTC clock enable
bits : 15 - 15 (1 bit)
access : read-write
BDRST : Backup domain software
reset
bits : 16 - 16 (1 bit)
access : read-write
Control/status register
(RCC_RSTSCKR)
address_offset : 0x24 Bytes (0x0)
size : 32 bit
reset_value : 0x0
reset_Mask : 0x0
LSION : Internal low speed oscillator
enable
bits : 0 - 0 (1 bit)
access : read-write
LSIRDY : Internal low speed oscillator
ready
bits : 1 - 1 (1 bit)
access : read-only
RMVF : Remove reset flag
bits : 24 - 24 (1 bit)
access : read-write
PINRSTF : PIN reset flag
bits : 26 - 26 (1 bit)
access : read-write
PORRSTF : POR/PDR reset flag
bits : 27 - 27 (1 bit)
access : read-write
SFTRSTF : Software reset flag
bits : 28 - 28 (1 bit)
access : read-write
IWDGRSTF : Independent watchdog reset
flag
bits : 29 - 29 (1 bit)
access : read-write
WWDGRSTF : Window watchdog reset flag
bits : 30 - 30 (1 bit)
access : read-write
LPWRRSTF : Low-power reset flag
bits : 31 - 31 (1 bit)
access : read-write
AHB reset register
(RCC_APHBRSTR)
address_offset : 0x28 Bytes (0x0)
size : 32 bit
reset_value : 0x0
reset_Mask : 0x0
USBHDRST : USBHD reset
bits : 12 - 12 (1 bit)
access : read-write
DVPRST : DVP reset
bits : 13 - 13 (1 bit)
access : read-only
ETHMACRST : Ethernet MAC reset
bits : 14 - 14 (1 bit)
access : read-write
Clock configuration register2
(RCC_CFGR2)
address_offset : 0x2C Bytes (0x0)
size : 32 bit
access : read-write
reset_value : 0x0
reset_Mask : 0x0
PREDIV1 : PREDIV1 division factor
bits : 0 - 3 (4 bit)
PREDIV2 : PREDIV2 division factor
bits : 4 - 7 (4 bit)
PLL2MUL : PLL2 Multiplication Factor
bits : 8 - 11 (4 bit)
PLL3MUL : PLL3 Multiplication Factor
bits : 12 - 15 (4 bit)
PREDIV1SRC : PREDIV1 entry clock source
bits : 16 - 16 (1 bit)
I2S2SRC : I2S2 clock source
bits : 17 - 17 (1 bit)
I2S3SRC : I2S3 clock source
bits : 18 - 18 (1 bit)
TRNG_SRC : TRNG clock source
bits : 19 - 19 (1 bit)
ETH1G_SRC : ETH1G clock source
bits : 20 - 21 (2 bit)
ETH1G_125M_EN : ETH1G _125M clock enable
bits : 22 - 22 (1 bit)
USBHS_PREDIY : USB HS PREDIV division factor
bits : 24 - 26 (3 bit)
USBHS_PLL_SRC : USB HS Multiplication Factor clock source
bits : 27 - 27 (1 bit)
USBHS_CKPEF_SEL : USB HS Peference Clock source
bits : 28 - 29 (2 bit)
USBHS_PLLALIVE : USB HS Multiplication control
bits : 30 - 30 (1 bit)
USBHS_CLK_SRC : USB HS clock source
bits : 31 - 31 (1 bit)
Clock configuration register
(RCC_CFGR0)
address_offset : 0x4 Bytes (0x0)
size : 32 bit
reset_value : 0x0
reset_Mask : 0x0
SW : System clock Switch
bits : 0 - 1 (2 bit)
access : read-write
SWS : System Clock Switch Status
bits : 2 - 3 (2 bit)
access : read-only
HPRE : AHB prescaler
bits : 4 - 7 (4 bit)
access : read-write
PPRE1 : APB Low speed prescaler
(APB1)
bits : 8 - 10 (3 bit)
access : read-write
PPRE2 : APB High speed prescaler
(APB2)
bits : 11 - 13 (3 bit)
access : read-write
ADCPRE : ADC prescaler
bits : 14 - 15 (2 bit)
access : read-write
PLLSRC : PLL entry clock source
bits : 16 - 16 (1 bit)
access : read-write
PLLXTPRE : HSE divider for PLL entry
bits : 17 - 17 (1 bit)
access : read-write
PLLMUL : PLL Multiplication Factor
bits : 18 - 21 (4 bit)
access : read-write
USBPRE : USB prescaler
bits : 22 - 23 (2 bit)
access : read-write
MCO : Microcontroller clock
output
bits : 24 - 27 (4 bit)
access : read-write
ADC_CLK_ADJ : ADC clock ADJ
bits : 31 - 31 (1 bit)
access : read-write
Clock interrupt register
(RCC_INTR)
address_offset : 0x8 Bytes (0x0)
size : 32 bit
reset_value : 0x0
reset_Mask : 0x0
LSIRDYF : LSI Ready Interrupt flag
bits : 0 - 0 (1 bit)
access : read-only
LSERDYF : LSE Ready Interrupt flag
bits : 1 - 1 (1 bit)
access : read-only
HSIRDYF : HSI Ready Interrupt flag
bits : 2 - 2 (1 bit)
access : read-only
HSERDYF : HSE Ready Interrupt flag
bits : 3 - 3 (1 bit)
access : read-only
PLLRDYF : PLL Ready Interrupt flag
bits : 4 - 4 (1 bit)
access : read-only
PLL2RDYF : PLL2 Ready Interrupt flag
bits : 5 - 5 (1 bit)
access : read-only
PLL3RDYF : PLL3 Ready Interrupt flag
bits : 6 - 6 (1 bit)
access : read-only
CSSF : Clock Security System Interrupt
flag
bits : 7 - 7 (1 bit)
access : read-only
LSIRDYIE : LSI Ready Interrupt Enable
bits : 8 - 8 (1 bit)
access : read-write
LSERDYIE : LSE Ready Interrupt Enable
bits : 9 - 9 (1 bit)
access : read-write
HSIRDYIE : HSI Ready Interrupt Enable
bits : 10 - 10 (1 bit)
access : read-write
HSERDYIE : HSE Ready Interrupt Enable
bits : 11 - 11 (1 bit)
access : read-write
PLLRDYIE : PLL Ready Interrupt Enable
bits : 12 - 12 (1 bit)
access : read-write
PLL2RDYIE : PLL2 Ready Interrupt Enable
bits : 13 - 13 (1 bit)
access : read-write
PLL3RDYIE : PLL3 Ready Interrupt Enable
bits : 14 - 14 (1 bit)
access : read-write
LSIRDYC : LSI Ready Interrupt Clear
bits : 16 - 16 (1 bit)
access : write-only
LSERDYC : LSE Ready Interrupt Clear
bits : 17 - 17 (1 bit)
access : write-only
HSIRDYC : HSI Ready Interrupt Clear
bits : 18 - 18 (1 bit)
access : write-only
HSERDYC : HSE Ready Interrupt Clear
bits : 19 - 19 (1 bit)
access : write-only
PLLRDYC : PLL Ready Interrupt Clear
bits : 20 - 20 (1 bit)
access : write-only
PLL2RDYC : PLL2 Ready Interrupt Clear
bits : 21 - 21 (1 bit)
access : write-only
PLL3RDYC : PLL3 Ready Interrupt Clear
bits : 22 - 22 (1 bit)
access : write-only
CSSC : Clock security system interrupt
clear
bits : 23 - 23 (1 bit)
access : write-only
APB2 peripheral reset register
(RCC_APB2PRSTR)
address_offset : 0xC Bytes (0x0)
size : 32 bit
access : read-write
reset_value : 0x0
reset_Mask : 0x0
AFIORST : Alternate function I/O
reset
bits : 0 - 0 (1 bit)
IOPARST : IO port A reset
bits : 2 - 2 (1 bit)
IOPBRST : IO port B reset
bits : 3 - 3 (1 bit)
IOPCRST : IO port C reset
bits : 4 - 4 (1 bit)
IOPDRST : IO port D reset
bits : 5 - 5 (1 bit)
IOPERST : IO port E reset
bits : 6 - 6 (1 bit)
ADC1RST : ADC 1 interface reset
bits : 9 - 9 (1 bit)
ADC2RST : ADC 2 interface reset
bits : 10 - 10 (1 bit)
TIM1RST : TIM1 timer reset
bits : 11 - 11 (1 bit)
SPI1RST : SPI 1 reset
bits : 12 - 12 (1 bit)
TIM8RST : TIM8 timer reset
bits : 13 - 13 (1 bit)
USART1RST : USART1 reset
bits : 14 - 14 (1 bit)
TIM9RST : TIM9 timer reset
bits : 19 - 19 (1 bit)
TIM10RST : TIM10 timer reset
bits : 20 - 20 (1 bit)
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