CR

PLLSAI1CFGR

APB2SECSR

PLLSAI2CFGR

CIER

CIFR

CICR

AHB1RSTR

AHB2RSTR

AHB3RSTR

APB1RSTR1

APB1RSTR2

ICSCR

APB2RSTR

AHB1ENR

AHB2ENR

AHB3ENR

APB1ENR1

APB1ENR2

APB2ENR

AHB1SMENR

AHB2SMENR

AHB3SMENR

APB1SMENR1

APB1SMENR2

CFGR

APB2SMENR

CCIPR1

BDCR

CSR

CRRCR

CCIPR2

SECCFGR

SECSR

PLLCFGR

AHB1SECSR

AHB2SECSR

AHB3SECSR

APB1SECSR1

APB1SECSR2

MSION : MSI clock enable
bits : 0 - 0 (1 bit)
access : read-write

MSIRDY : MSI clock ready flag
bits : 1 - 1 (1 bit)
access : read-only

MSIPLLEN : MSI clock PLL enable
bits : 2 - 2 (1 bit)
access : read-write

MSIRGSEL : MSI clock range selection
bits : 3 - 3 (1 bit)
access : write-only

MSIRANGE : MSI clock ranges
bits : 4 - 7 (4 bit)
access : read-write

HSION : HSI clock enable
bits : 8 - 8 (1 bit)
access : read-write

HSIKERON : HSI always enable for peripheral kernels
bits : 9 - 9 (1 bit)
access : read-write

HSIRDY : HSI clock ready flag
bits : 10 - 10 (1 bit)
access : read-only

HSIASFS : HSI automatic start from Stop
bits : 11 - 11 (1 bit)
access : read-write

HSEON : HSE clock enable
bits : 16 - 16 (1 bit)
access : read-write

HSERDY : HSE clock ready flag
bits : 17 - 17 (1 bit)
access : read-only

HSEBYP : HSE crystal oscillator bypass
bits : 18 - 18 (1 bit)
access : read-write

CSSON : Clock security system enable
bits : 19 - 19 (1 bit)
access : write-only

PLLON : Main PLL enable
bits : 24 - 24 (1 bit)
access : read-write

PLLRDY : Main PLL clock ready flag
bits : 25 - 25 (1 bit)
access : read-only

PLLSAI1ON : SAI1 PLL enable
bits : 26 - 26 (1 bit)
access : read-write

PLLSAI1RDY : SAI1 PLL clock ready flag
bits : 27 - 27 (1 bit)
access : read-only

PLLSAI2ON : SAI2 PLL enable
bits : 28 - 28 (1 bit)
access : read-write

PLLSAI2RDY : SAI2 PLL clock ready flag
bits : 29 - 29 (1 bit)
access : read-only

PRIV : PRIV
bits : 31 - 31 (1 bit)
access : read-write

PLLSAI1SRC : PLLSAI1SRC
bits : 0 - 1 (2 bit)

PLLSAI1M : Division factor for PLLSAI1 input clock
bits : 4 - 7 (4 bit)

PLLSAI1N : SAI1PLL multiplication factor for VCO
bits : 8 - 14 (7 bit)

PLLSAI1PEN : SAI1PLL PLLSAI1CLK output enable
bits : 16 - 16 (1 bit)

PLLSAI1P : SAI1PLL division factor for PLLSAI1CLK (SAI1 or SAI2 clock)
bits : 17 - 17 (1 bit)

PLLSAI1QEN : SAI1PLL PLLUSB2CLK output enable
bits : 20 - 20 (1 bit)

PLLSAI1Q : SAI1PLL division factor for PLLUSB2CLK (48 MHz clock)
bits : 21 - 22 (2 bit)

PLLSAI1REN : PLLSAI1 PLLADC1CLK output enable
bits : 24 - 24 (1 bit)

PLLSAI1R : PLLSAI1 division factor for PLLADC1CLK (ADC clock)
bits : 25 - 26 (2 bit)

PLLSAI1PDIV : PLLSAI1 division factor for PLLSAI1CLK
bits : 27 - 31 (5 bit)

SYSCFGSECF : SYSCFGSECF
bits : 0 - 0 (1 bit)

TIM1SECF : TIM1SECF
bits : 11 - 11 (1 bit)

SPI1SECF : SPI1SECF
bits : 12 - 12 (1 bit)

TIM8SECF : TIM8SECF
bits : 13 - 13 (1 bit)

USART1SECF : USART1SECF
bits : 14 - 14 (1 bit)

TIM15SECF : TIM15SECF
bits : 16 - 16 (1 bit)

TIM16SECF : TIM16SECF
bits : 17 - 17 (1 bit)

TIM17SECF : TIM17SECF
bits : 18 - 18 (1 bit)

SAI1SECF : SAI1SECF
bits : 21 - 21 (1 bit)

SAI2SECF : SAI2SECF
bits : 22 - 22 (1 bit)

DFSDM1SECF : DFSDM1SECF
bits : 24 - 24 (1 bit)

PLLSAI2SRC : PLLSAI2SRC
bits : 0 - 1 (2 bit)

PLLSAI2M : Division factor for PLLSAI2 input clock
bits : 4 - 7 (4 bit)

PLLSAI2N : SAI2PLL multiplication factor for VCO
bits : 8 - 14 (7 bit)

PLLSAI2PEN : SAI2PLL PLLSAI2CLK output enable
bits : 16 - 16 (1 bit)

PLLSAI2P : SAI1PLL division factor for PLLSAI2CLK (SAI1 or SAI2 clock)
bits : 17 - 17 (1 bit)

PLLSAI2PDIV : PLLSAI2 division factor for PLLSAI2CLK
bits : 27 - 31 (5 bit)

LSIRDYIE : LSI ready interrupt enable
bits : 0 - 0 (1 bit)

LSERDYIE : LSE ready interrupt enable
bits : 1 - 1 (1 bit)

MSIRDYIE : MSI ready interrupt enable
bits : 2 - 2 (1 bit)

HSIRDYIE : HSI ready interrupt enable
bits : 3 - 3 (1 bit)

HSERDYIE : HSE ready interrupt enable
bits : 4 - 4 (1 bit)

PLLRDYIE : PLL ready interrupt enable
bits : 5 - 5 (1 bit)

PLLSAI1RDYIE : PLLSAI1 ready interrupt enable
bits : 6 - 6 (1 bit)

PLLSAI2RDYIE : PLLSAI2 ready interrupt enable
bits : 7 - 7 (1 bit)

LSECSSIE : LSE clock security system interrupt enable
bits : 9 - 9 (1 bit)

HSI48RDYIE : HSI48 ready interrupt enable
bits : 10 - 10 (1 bit)

LSIRDYF : LSI ready interrupt flag
bits : 0 - 0 (1 bit)

LSERDYF : LSE ready interrupt flag
bits : 1 - 1 (1 bit)

MSIRDYF : MSI ready interrupt flag
bits : 2 - 2 (1 bit)

HSIRDYF : HSI ready interrupt flag
bits : 3 - 3 (1 bit)

HSERDYF : HSE ready interrupt flag
bits : 4 - 4 (1 bit)

PLLRDYF : PLL ready interrupt flag
bits : 5 - 5 (1 bit)

PLLSAI1RDYF : PLLSAI1 ready interrupt flag
bits : 6 - 6 (1 bit)

PLLSAI2RDYF : PLLSAI2 ready interrupt flag
bits : 7 - 7 (1 bit)

CSSF : Clock security system interrupt flag
bits : 8 - 8 (1 bit)

LSECSSF : LSE Clock security system interrupt flag
bits : 9 - 9 (1 bit)

HSI48RDYF : HSI48 ready interrupt flag
bits : 10 - 10 (1 bit)

LSIRDYC : LSI ready interrupt clear
bits : 0 - 0 (1 bit)

LSERDYC : LSE ready interrupt clear
bits : 1 - 1 (1 bit)

MSIRDYC : MSI ready interrupt clear
bits : 2 - 2 (1 bit)

HSIRDYC : HSI ready interrupt clear
bits : 3 - 3 (1 bit)

HSERDYC : HSE ready interrupt clear
bits : 4 - 4 (1 bit)

PLLRDYC : PLL ready interrupt clear
bits : 5 - 5 (1 bit)

PLLSAI1RDYC : PLLSAI1 ready interrupt clear
bits : 6 - 6 (1 bit)

PLLSAI2RDYC : PLLSAI2 ready interrupt clear
bits : 7 - 7 (1 bit)

CSSC : Clock security system interrupt clear
bits : 8 - 8 (1 bit)

LSECSSC : LSE Clock security system interrupt clear
bits : 9 - 9 (1 bit)

HSI48RDYC : HSI48 oscillator ready interrupt clear
bits : 10 - 10 (1 bit)

DMA1RST : DMA1 reset
bits : 0 - 0 (1 bit)

DMA2RST : DMA2 reset
bits : 1 - 1 (1 bit)

DMAMUX1RST : DMAMUXRST
bits : 2 - 2 (1 bit)

FLASHRST : Flash memory interface reset
bits : 8 - 8 (1 bit)

CRCRST : CRC reset
bits : 12 - 12 (1 bit)

TSCRST : Touch Sensing Controller reset
bits : 16 - 16 (1 bit)

GTZCRST : GTZC reset
bits : 22 - 22 (1 bit)

GPIOARST : IO port A reset
bits : 0 - 0 (1 bit)

GPIOBRST : IO port B reset
bits : 1 - 1 (1 bit)

GPIOCRST : IO port C reset
bits : 2 - 2 (1 bit)

GPIODRST : IO port D reset
bits : 3 - 3 (1 bit)

GPIOERST : IO port E reset
bits : 4 - 4 (1 bit)

GPIOFRST : IO port F reset
bits : 5 - 5 (1 bit)

GPIOGRST : IO port G reset
bits : 6 - 6 (1 bit)

GPIOHRST : IO port H reset
bits : 7 - 7 (1 bit)

ADCRST : ADC reset
bits : 13 - 13 (1 bit)

AESRST : AES hardware accelerator reset
bits : 16 - 16 (1 bit)

HASHRST : Hash reset
bits : 17 - 17 (1 bit)

RNGRST : Random number generator reset
bits : 18 - 18 (1 bit)

PKARST : PKARST
bits : 19 - 19 (1 bit)

OTFDEC1RST : OTFDEC1RST
bits : 21 - 21 (1 bit)

SDMMC1RST : SDMMC1 reset
bits : 22 - 22 (1 bit)

FMCRST : Flexible memory controller reset
bits : 0 - 0 (1 bit)

OSPI1RST : OSPI1RST
bits : 8 - 8 (1 bit)

TIM2RST : TIM2 timer reset
bits : 0 - 0 (1 bit)

TIM3RST : TIM3 timer reset
bits : 1 - 1 (1 bit)

TIM4RST : TIM3 timer reset
bits : 2 - 2 (1 bit)

TIM5RST : TIM5 timer reset
bits : 3 - 3 (1 bit)

TIM6RST : TIM6 timer reset
bits : 4 - 4 (1 bit)

TIM7RST : TIM7 timer reset
bits : 5 - 5 (1 bit)

SPI2RST : SPI2 reset
bits : 14 - 14 (1 bit)

SPI3RST : SPI3 reset
bits : 15 - 15 (1 bit)

USART2RST : USART2 reset
bits : 17 - 17 (1 bit)

USART3RST : USART3 reset
bits : 18 - 18 (1 bit)

UART4RST : UART4 reset
bits : 19 - 19 (1 bit)

UART5RST : UART5 reset
bits : 20 - 20 (1 bit)

I2C1RST : I2C1 reset
bits : 21 - 21 (1 bit)

I2C2RST : I2C2 reset
bits : 22 - 22 (1 bit)

I2C3RST : I2C3 reset
bits : 23 - 23 (1 bit)

CRSRST : CRS reset
bits : 24 - 24 (1 bit)

PWRRST : Power interface reset
bits : 28 - 28 (1 bit)

DAC1RST : DAC1 interface reset
bits : 29 - 29 (1 bit)

OPAMPRST : OPAMP interface reset
bits : 30 - 30 (1 bit)

LPTIM1RST : Low Power Timer 1 reset
bits : 31 - 31 (1 bit)

LPUART1RST : Low-power UART 1 reset
bits : 0 - 0 (1 bit)

I2C4RST : I2C4 reset
bits : 1 - 1 (1 bit)

LPTIM2RST : Low-power timer 2 reset
bits : 5 - 5 (1 bit)

LPTIM3RST : LPTIM3RST
bits : 6 - 6 (1 bit)

FDCAN1RST : FDCAN1RST
bits : 9 - 9 (1 bit)

USBFSRST : USBFSRST
bits : 21 - 21 (1 bit)

UCPD1RST : UCPD1RST
bits : 23 - 23 (1 bit)

MSICAL : MSI clock calibration
bits : 0 - 7 (8 bit)
access : read-only

MSITRIM : MSI clock trimming
bits : 8 - 15 (8 bit)
access : read-write

HSICAL : HSI clock calibration
bits : 16 - 23 (8 bit)
access : read-only

HSITRIM : HSI clock trimming
bits : 24 - 30 (7 bit)
access : read-write

SYSCFGRST : System configuration (SYSCFG) reset
bits : 0 - 0 (1 bit)

TIM1RST : TIM1 timer reset
bits : 11 - 11 (1 bit)

SPI1RST : SPI1 reset
bits : 12 - 12 (1 bit)

TIM8RST : TIM8 timer reset
bits : 13 - 13 (1 bit)

USART1RST : USART1 reset
bits : 14 - 14 (1 bit)

TIM15RST : TIM15 timer reset
bits : 16 - 16 (1 bit)

TIM16RST : TIM16 timer reset
bits : 17 - 17 (1 bit)

TIM17RST : TIM17 timer reset
bits : 18 - 18 (1 bit)

SAI1RST : Serial audio interface 1 (SAI1) reset
bits : 21 - 21 (1 bit)

SAI2RST : Serial audio interface 2 (SAI2) reset
bits : 22 - 22 (1 bit)

DFSDM1RST : Digital filters for sigma-delata modulators (DFSDM) reset
bits : 24 - 24 (1 bit)

DMA1EN : DMA1 clock enable
bits : 0 - 0 (1 bit)

DMA2EN : DMA2 clock enable
bits : 1 - 1 (1 bit)

DMAMUX1EN : DMAMUX clock enable
bits : 2 - 2 (1 bit)

FLASHEN : Flash memory interface clock enable
bits : 8 - 8 (1 bit)

CRCEN : CRC clock enable
bits : 12 - 12 (1 bit)

TSCEN : Touch Sensing Controller clock enable
bits : 16 - 16 (1 bit)

GTZCEN : GTZCEN
bits : 22 - 22 (1 bit)

GPIOAEN : IO port A clock enable
bits : 0 - 0 (1 bit)

GPIOBEN : IO port B clock enable
bits : 1 - 1 (1 bit)

GPIOCEN : IO port C clock enable
bits : 2 - 2 (1 bit)

GPIODEN : IO port D clock enable
bits : 3 - 3 (1 bit)

GPIOEEN : IO port E clock enable
bits : 4 - 4 (1 bit)

GPIOFEN : IO port F clock enable
bits : 5 - 5 (1 bit)

GPIOGEN : IO port G clock enable
bits : 6 - 6 (1 bit)

GPIOHEN : IO port H clock enable
bits : 7 - 7 (1 bit)

ADCEN : ADC clock enable
bits : 13 - 13 (1 bit)

AESEN : AES accelerator clock enable
bits : 16 - 16 (1 bit)

HASHEN : HASH clock enable
bits : 17 - 17 (1 bit)

RNGEN : Random Number Generator clock enable
bits : 18 - 18 (1 bit)

PKAEN : PKAEN
bits : 19 - 19 (1 bit)

OTFDEC1EN : OTFDEC1EN
bits : 21 - 21 (1 bit)

SDMMC1EN : SDMMC1 clock enable
bits : 22 - 22 (1 bit)

FMCEN : Flexible memory controller clock enable
bits : 0 - 0 (1 bit)

OSPI1EN : OSPI1EN
bits : 8 - 8 (1 bit)

TIM2EN : TIM2 timer clock enable
bits : 0 - 0 (1 bit)

TIM3EN : TIM3 timer clock enable
bits : 1 - 1 (1 bit)

TIM4EN : TIM4 timer clock enable
bits : 2 - 2 (1 bit)

TIM5EN : TIM5 timer clock enable
bits : 3 - 3 (1 bit)

TIM6EN : TIM6 timer clock enable
bits : 4 - 4 (1 bit)

TIM7EN : TIM7 timer clock enable
bits : 5 - 5 (1 bit)

RTCAPBEN : RTC APB clock enable
bits : 10 - 10 (1 bit)

WWDGEN : Window watchdog clock enable
bits : 11 - 11 (1 bit)

SPI2EN : SPI2 clock enable
bits : 14 - 14 (1 bit)

SP3EN : SPI3 clock enable
bits : 15 - 15 (1 bit)

USART2EN : USART2 clock enable
bits : 17 - 17 (1 bit)

USART3EN : USART3 clock enable
bits : 18 - 18 (1 bit)

UART4EN : UART4 clock enable
bits : 19 - 19 (1 bit)

UART5EN : UART5 clock enable
bits : 20 - 20 (1 bit)

I2C1EN : I2C1 clock enable
bits : 21 - 21 (1 bit)

I2C2EN : I2C2 clock enable
bits : 22 - 22 (1 bit)

I2C3EN : I2C3 clock enable
bits : 23 - 23 (1 bit)

CRSEN : Clock Recovery System clock enable
bits : 24 - 24 (1 bit)

PWREN : Power interface clock enable
bits : 28 - 28 (1 bit)

DAC1EN : DAC1 interface clock enable
bits : 29 - 29 (1 bit)

OPAMPEN : OPAMP interface clock enable
bits : 30 - 30 (1 bit)

LPTIM1EN : Low power timer 1 clock enable
bits : 31 - 31 (1 bit)

LPUART1EN : Low power UART 1 clock enable
bits : 0 - 0 (1 bit)

I2C4EN : I2C4 clock enable
bits : 1 - 1 (1 bit)

LPTIM2EN : LPTIM2EN
bits : 5 - 5 (1 bit)

LPTIM3EN : LPTIM3EN
bits : 6 - 6 (1 bit)

FDCAN1EN : FDCAN1EN
bits : 9 - 9 (1 bit)

USBFSEN : USBFSEN
bits : 21 - 21 (1 bit)

UCPD1EN : UCPD1EN
bits : 23 - 23 (1 bit)

SYSCFGEN : SYSCFG clock enable
bits : 0 - 0 (1 bit)

TIM1EN : TIM1 timer clock enable
bits : 11 - 11 (1 bit)

SPI1EN : SPI1 clock enable
bits : 12 - 12 (1 bit)

TIM8EN : TIM8 timer clock enable
bits : 13 - 13 (1 bit)

USART1EN : USART1clock enable
bits : 14 - 14 (1 bit)

TIM15EN : TIM15 timer clock enable
bits : 16 - 16 (1 bit)

TIM16EN : TIM16 timer clock enable
bits : 17 - 17 (1 bit)

TIM17EN : TIM17 timer clock enable
bits : 18 - 18 (1 bit)

SAI1EN : SAI1 clock enable
bits : 21 - 21 (1 bit)

SAI2EN : SAI2 clock enable
bits : 22 - 22 (1 bit)

DFSDM1EN : DFSDM timer clock enable
bits : 24 - 24 (1 bit)

DMA1SMEN : DMA1 clocks enable during Sleep and Stop modes
bits : 0 - 0 (1 bit)

DMA2SMEN : DMA2 clocks enable during Sleep and Stop modes
bits : 1 - 1 (1 bit)

DMAMUX1SMEN : DMAMUX clock enable during Sleep and Stop modes
bits : 2 - 2 (1 bit)

FLASHSMEN : Flash memory interface clocks enable during Sleep and Stop modes
bits : 8 - 8 (1 bit)

SRAM1SMEN : SRAM1 interface clocks enable during Sleep and Stop modes
bits : 9 - 9 (1 bit)

CRCSMEN : CRCSMEN
bits : 12 - 12 (1 bit)

TSCSMEN : Touch Sensing Controller clocks enable during Sleep and Stop modes
bits : 16 - 16 (1 bit)

GTZCSMEN : GTZCSMEN
bits : 22 - 22 (1 bit)

ICACHESMEN : ICACHESMEN
bits : 23 - 23 (1 bit)

GPIOASMEN : IO port A clocks enable during Sleep and Stop modes
bits : 0 - 0 (1 bit)

GPIOBSMEN : IO port B clocks enable during Sleep and Stop modes
bits : 1 - 1 (1 bit)

GPIOCSMEN : IO port C clocks enable during Sleep and Stop modes
bits : 2 - 2 (1 bit)

GPIODSMEN : IO port D clocks enable during Sleep and Stop modes
bits : 3 - 3 (1 bit)

GPIOESMEN : IO port E clocks enable during Sleep and Stop modes
bits : 4 - 4 (1 bit)

GPIOFSMEN : IO port F clocks enable during Sleep and Stop modes
bits : 5 - 5 (1 bit)

GPIOGSMEN : IO port G clocks enable during Sleep and Stop modes
bits : 6 - 6 (1 bit)

GPIOHSMEN : IO port H clocks enable during Sleep and Stop modes
bits : 7 - 7 (1 bit)

SRAM2SMEN : SRAM2 interface clocks enable during Sleep and Stop modes
bits : 9 - 9 (1 bit)

ADCFSSMEN : ADC clocks enable during Sleep and Stop modes
bits : 13 - 13 (1 bit)

AESSMEN : AES accelerator clocks enable during Sleep and Stop modes
bits : 16 - 16 (1 bit)

HASHSMEN : HASH clock enable during Sleep and Stop modes
bits : 17 - 17 (1 bit)

RNGSMEN : Random Number Generator clocks enable during Sleep and Stop modes
bits : 18 - 18 (1 bit)

PKASMEN : PKASMEN
bits : 19 - 19 (1 bit)

OTFDEC1SMEN : OTFDEC1SMEN
bits : 21 - 21 (1 bit)

SDMMC1SMEN : SDMMC1 clocks enable during Sleep and Stop modes
bits : 22 - 22 (1 bit)

FMCSMEN : Flexible memory controller clocks enable during Sleep and Stop modes
bits : 0 - 0 (1 bit)

OSPI1SMEN : OSPI1SMEN
bits : 8 - 8 (1 bit)

TIM2SMEN : TIM2 timer clocks enable during Sleep and Stop modes
bits : 0 - 0 (1 bit)

TIM3SMEN : TIM3 timer clocks enable during Sleep and Stop modes
bits : 1 - 1 (1 bit)

TIM4SMEN : TIM4 timer clocks enable during Sleep and Stop modes
bits : 2 - 2 (1 bit)

TIM5SMEN : TIM5 timer clocks enable during Sleep and Stop modes
bits : 3 - 3 (1 bit)

TIM6SMEN : TIM6 timer clocks enable during Sleep and Stop modes
bits : 4 - 4 (1 bit)

TIM7SMEN : TIM7 timer clocks enable during Sleep and Stop modes
bits : 5 - 5 (1 bit)

RTCAPBSMEN : RTC APB clock enable during Sleep and Stop modes
bits : 10 - 10 (1 bit)

WWDGSMEN : Window watchdog clocks enable during Sleep and Stop modes
bits : 11 - 11 (1 bit)

SPI2SMEN : SPI2 clocks enable during Sleep and Stop modes
bits : 14 - 14 (1 bit)

SP3SMEN : SPI3 clocks enable during Sleep and Stop modes
bits : 15 - 15 (1 bit)

USART2SMEN : USART2 clocks enable during Sleep and Stop modes
bits : 17 - 17 (1 bit)

USART3SMEN : USART3 clocks enable during Sleep and Stop modes
bits : 18 - 18 (1 bit)

UART4SMEN : UART4 clocks enable during Sleep and Stop modes
bits : 19 - 19 (1 bit)

UART5SMEN : UART5 clocks enable during Sleep and Stop modes
bits : 20 - 20 (1 bit)

I2C1SMEN : I2C1 clocks enable during Sleep and Stop modes
bits : 21 - 21 (1 bit)

I2C2SMEN : I2C2 clocks enable during Sleep and Stop modes
bits : 22 - 22 (1 bit)

I2C3SMEN : I2C3 clocks enable during Sleep and Stop modes
bits : 23 - 23 (1 bit)

CRSSMEN : CRS clock enable during Sleep and Stop modes
bits : 24 - 24 (1 bit)

PWRSMEN : Power interface clocks enable during Sleep and Stop modes
bits : 28 - 28 (1 bit)

DAC1SMEN : DAC1 interface clocks enable during Sleep and Stop modes
bits : 29 - 29 (1 bit)

OPAMPSMEN : OPAMP interface clocks enable during Sleep and Stop modes
bits : 30 - 30 (1 bit)

LPTIM1SMEN : Low power timer 1 clocks enable during Sleep and Stop modes
bits : 31 - 31 (1 bit)

LPUART1SMEN : Low power UART 1 clocks enable during Sleep and Stop modes
bits : 0 - 0 (1 bit)

I2C4SMEN : I2C4 clocks enable during Sleep and Stop modes
bits : 1 - 1 (1 bit)

LPTIM2SMEN : LPTIM2SMEN
bits : 5 - 5 (1 bit)

LPTIM3SMEN : LPTIM3SMEN
bits : 6 - 6 (1 bit)

FDCAN1SMEN : FDCAN1SMEN
bits : 9 - 9 (1 bit)

USBFSSMEN : USBFSSMEN
bits : 21 - 21 (1 bit)

UCPD1SMEN : UCPD1SMEN
bits : 23 - 23 (1 bit)

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 : PB 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

STOPWUCK : Wakeup from Stop and CSS backup clock selection
bits : 15 - 15 (1 bit)
access : read-write

MCOSEL : Microcontroller clock output
bits : 24 - 27 (4 bit)
access : read-write

MCOPRE : Microcontroller clock output prescaler
bits : 28 - 30 (3 bit)
access : read-only

SYSCFGSMEN : SYSCFG clocks enable during Sleep and Stop modes
bits : 0 - 0 (1 bit)

TIM1SMEN : TIM1 timer clocks enable during Sleep and Stop modes
bits : 11 - 11 (1 bit)

SPI1SMEN : SPI1 clocks enable during Sleep and Stop modes
bits : 12 - 12 (1 bit)

TIM8SMEN : TIM8 timer clocks enable during Sleep and Stop modes
bits : 13 - 13 (1 bit)

USART1SMEN : USART1clocks enable during Sleep and Stop modes
bits : 14 - 14 (1 bit)

TIM15SMEN : TIM15 timer clocks enable during Sleep and Stop modes
bits : 16 - 16 (1 bit)

TIM16SMEN : TIM16 timer clocks enable during Sleep and Stop modes
bits : 17 - 17 (1 bit)

TIM17SMEN : TIM17 timer clocks enable during Sleep and Stop modes
bits : 18 - 18 (1 bit)

SAI1SMEN : SAI1 clocks enable during Sleep and Stop modes
bits : 21 - 21 (1 bit)

SAI2SMEN : SAI2 clocks enable during Sleep and Stop modes
bits : 22 - 22 (1 bit)

DFSDM1SMEN : DFSDM timer clocks enable during Sleep and Stop modes
bits : 24 - 24 (1 bit)

USART1SEL : USART1 clock source selection
bits : 0 - 1 (2 bit)

USART2SEL : USART2 clock source selection
bits : 2 - 3 (2 bit)

USART3SEL : USART3 clock source selection
bits : 4 - 5 (2 bit)

UART4SEL : UART4 clock source selection
bits : 6 - 7 (2 bit)

UART5SEL : UART5 clock source selection
bits : 8 - 9 (2 bit)

LPUART1SEL : LPUART1 clock source selection
bits : 10 - 11 (2 bit)

I2C1SEL : I2C1 clock source selection
bits : 12 - 13 (2 bit)

I2C2SEL : I2C2 clock source selection
bits : 14 - 15 (2 bit)

I2C3SEL : I2C3 clock source selection
bits : 16 - 17 (2 bit)

LPTIM1SEL : Low power timer 1 clock source selection
bits : 18 - 19 (2 bit)

LPTIM2SEL : Low power timer 2 clock source selection
bits : 20 - 21 (2 bit)

LPTIM3SEL : Low-power timer 3 clock source selection
bits : 22 - 23 (2 bit)

FDCANSEL : FDCAN clock source selection
bits : 24 - 25 (2 bit)

CLK48MSEL : 48 MHz clock source selection
bits : 26 - 27 (2 bit)

ADCSEL : ADCs clock source selection
bits : 28 - 29 (2 bit)

LSEON : LSE oscillator enable
bits : 0 - 0 (1 bit)
access : read-write

LSERDY : LSE oscillator ready
bits : 1 - 1 (1 bit)
access : read-only

LSEBYP : LSE oscillator bypass
bits : 2 - 2 (1 bit)
access : read-write

LSEDRV : SE oscillator drive capability
bits : 3 - 4 (2 bit)
access : read-write

LSECSSON : LSECSSON
bits : 5 - 5 (1 bit)
access : read-write

LSECSSD : LSECSSD
bits : 6 - 6 (1 bit)
access : read-only

LSESYSEN : LSESYSEN
bits : 7 - 7 (1 bit)
access : read-write

RTCSEL : RTC clock source selection
bits : 8 - 9 (2 bit)
access : read-write

LSESYSRDY : LSESYSRDY
bits : 11 - 11 (1 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

LSCOEN : Low speed clock output enable
bits : 24 - 24 (1 bit)
access : read-write

LSCOSEL : Low speed clock output selection
bits : 25 - 25 (1 bit)
access : read-write

LSION : LSI oscillator enable
bits : 0 - 0 (1 bit)
access : read-write

LSIRDY : LSI oscillator ready
bits : 1 - 1 (1 bit)
access : read-only

LSIPREDIV : LSIPREDIV
bits : 4 - 4 (1 bit)
access : read-write

MSISRANGE : SI range after Standby mode
bits : 8 - 11 (4 bit)
access : read-write

RMVF : Remove reset flag
bits : 23 - 23 (1 bit)
access : read-write

OBLRSTF : Option byte loader reset flag
bits : 25 - 25 (1 bit)
access : read-only

PINRSTF : Pin reset flag
bits : 26 - 26 (1 bit)
access : read-only

BORRSTF : BOR flag
bits : 27 - 27 (1 bit)
access : read-only

SFTRSTF : Software reset flag
bits : 28 - 28 (1 bit)
access : read-only

IWWDGRSTF : Independent window watchdog reset flag
bits : 29 - 29 (1 bit)
access : read-only

WWDGRSTF : Window watchdog reset flag
bits : 30 - 30 (1 bit)
access : read-only

LPWRSTF : Low-power reset flag
bits : 31 - 31 (1 bit)
access : read-only

HSI48ON : HSI48 clock enable
bits : 0 - 0 (1 bit)
access : read-write

HSI48RDY : HSI48 clock ready flag
bits : 1 - 1 (1 bit)
access : read-only

HSI48CAL : HSI48 clock calibration
bits : 7 - 15 (9 bit)
access : read-only

I2C4SEL : I2C4 clock source selection
bits : 0 - 1 (2 bit)

DFSDMSEL : Digital filter for sigma delta modulator kernel clock source selection
bits : 2 - 2 (1 bit)

ADFSDMSEL : Digital filter for sigma delta modulator audio clock source selection
bits : 3 - 4 (2 bit)

SAI1SEL : SAI1 clock source selection
bits : 5 - 7 (3 bit)

SAI2SEL : SAI2 clock source selection
bits : 8 - 10 (3 bit)

SDMMCSEL : SDMMC clock selection
bits : 14 - 14 (1 bit)

OSPISEL : Octospi clock source selection
bits : 20 - 21 (2 bit)

HSISEC : HSISEC
bits : 0 - 0 (1 bit)

HSESEC : HSESEC
bits : 1 - 1 (1 bit)

MSISEC : MSISEC
bits : 2 - 2 (1 bit)

LSISEC : LSISEC
bits : 3 - 3 (1 bit)

LSESEC : LSESEC
bits : 4 - 4 (1 bit)

SYSCLKSEC : SYSCLKSEC
bits : 5 - 5 (1 bit)

PRESCSEC : PRESCSEC
bits : 6 - 6 (1 bit)

PLLSEC : PLLSEC
bits : 7 - 7 (1 bit)

PLLSAI1SEC : PLLSAI1SEC
bits : 8 - 8 (1 bit)

PLLSAI2SEC : PLLSAI2SEC
bits : 9 - 9 (1 bit)

CLK48MSEC : CLK48MSEC
bits : 10 - 10 (1 bit)

HSI48SEC : HSI48SEC
bits : 11 - 11 (1 bit)

RMVFSEC : RMVFSEC
bits : 12 - 12 (1 bit)

HSISECF : HSISECF
bits : 0 - 0 (1 bit)

HSESECF : HSESECF
bits : 1 - 1 (1 bit)

MSISECF : MSISECF
bits : 2 - 2 (1 bit)

LSISECF : LSISECF
bits : 3 - 3 (1 bit)

LSESECF : LSESECF
bits : 4 - 4 (1 bit)

SYSCLKSECF : SYSCLKSECF
bits : 5 - 5 (1 bit)

PRESCSECF : PRESCSECF
bits : 6 - 6 (1 bit)

PLLSECF : PLLSECF
bits : 7 - 7 (1 bit)

PLLSAI1SECF : PLLSAI1SECF
bits : 8 - 8 (1 bit)

PLLSAI2SECF : PLLSAI2SECF
bits : 9 - 9 (1 bit)

CLK48MSECF : CLK48MSECF
bits : 10 - 10 (1 bit)

HSI48SECF : HSI48SECF
bits : 11 - 11 (1 bit)

RMVFSECF : RMVFSECF
bits : 12 - 12 (1 bit)

PLLSRC : Main PLL, PLLSAI1 and PLLSAI2 entry clock source
bits : 0 - 1 (2 bit)

PLLM : Division factor for the main PLL and audio PLL (PLLSAI1 and PLLSAI2) input clock
bits : 4 - 7 (4 bit)

PLLN : Main PLL multiplication factor for VCO
bits : 8 - 14 (7 bit)

PLLPEN : Main PLL PLLSAI3CLK output enable
bits : 16 - 16 (1 bit)

PLLP : Main PLL division factor for PLLSAI3CLK (SAI1 and SAI2 clock)
bits : 17 - 17 (1 bit)

PLLQEN : Main PLL PLLUSB1CLK output enable
bits : 20 - 20 (1 bit)

PLLQ : Main PLL division factor for PLLUSB1CLK(48 MHz clock)
bits : 21 - 22 (2 bit)

PLLREN : Main PLL PLLCLK output enable
bits : 24 - 24 (1 bit)

PLLR : Main PLL division factor for PLLCLK (system clock)
bits : 25 - 26 (2 bit)

PLLPDIV : Main PLL division factor for PLLSAI2CLK
bits : 27 - 31 (5 bit)

DMA1SECF : DMA1SECF
bits : 0 - 0 (1 bit)

DMA2SECF : DMA2SECF
bits : 1 - 1 (1 bit)

DMAMUX1SECF : DMAMUX1SECF
bits : 2 - 2 (1 bit)

FLASHSECF : FLASHSECF
bits : 8 - 8 (1 bit)

SRAM1SECF : SRAM1SECF
bits : 9 - 9 (1 bit)

CRCSECF : CRCSECF
bits : 12 - 12 (1 bit)

TSCSECF : TSCSECF
bits : 16 - 16 (1 bit)

GTZCSECF : GTZCSECF
bits : 22 - 22 (1 bit)

ICACHESECF : ICACHESECF
bits : 23 - 23 (1 bit)

GPIOASECF : GPIOASECF
bits : 0 - 0 (1 bit)

GPIOBSECF : GPIOBSECF
bits : 1 - 1 (1 bit)

GPIOCSECF : GPIOCSECF
bits : 2 - 2 (1 bit)

GPIODSECF : GPIODSECF
bits : 3 - 3 (1 bit)

GPIOESECF : GPIOESECF
bits : 4 - 4 (1 bit)

GPIOFSECF : GPIOFSECF
bits : 5 - 5 (1 bit)

GPIOGSECF : GPIOGSECF
bits : 6 - 6 (1 bit)

GPIOHSECF : GPIOHSECF
bits : 7 - 7 (1 bit)

SRAM2SECF : SRAM2SECF
bits : 9 - 9 (1 bit)

OTFDEC1SECF : OTFDEC1SECF
bits : 21 - 21 (1 bit)

SDMMC1SECF : SDMMC1SECF
bits : 22 - 22 (1 bit)