Reference Manual to LL API cross reference

The following table provides the mapping between the registers and bits, as they appear inside product reference manual, and the functions provided by the Low Layer interface.

This table gives the correlation for BUS registers

Register

Bit

Function

AHB1ENR

CORDICEN

AHB1ENR

CRCEN

AHB1ENR

ETH1CKEN

AHB1ENR

ETH1EN

AHB1ENR

ETH1RXEN

AHB1ENR

ETH1TXEN

AHB1ENR

FLASHEN

AHB1ENR

LPDMA1EN

AHB1ENR

LPDMA2EN

AHB1ENR

RAMCFGEN

AHB1ENR

SRAM1EN

AHB1ENR

SRAM2EN

AHB1LPENR

CORDICLPEN

AHB1LPENR

CRCLPEN

AHB1LPENR

ETH1CKLPEN

AHB1LPENR

ETH1LPEN

AHB1LPENR

ETH1RXLPEN

AHB1LPENR

ETH1TXLPEN

AHB1LPENR

FLASHLPEN

AHB1LPENR

ICACHELPEN

AHB1LPENR

LPDMA1LPEN

AHB1LPENR

LPDMA2LPEN

AHB1LPENR

RAMCFGLPEN

AHB1LPENR

SRAM1LPEN

AHB1LPENR

SRAM2LPEN

AHB1RSTR

CORDICRST

AHB1RSTR

CRCRST

AHB1RSTR

ETH1RST

AHB1RSTR

LPDMA1RST

AHB1RSTR

LPDMA2RST

AHB1RSTR

RAMCFGRST

AHB2ENR

ADC12EN

AHB2ENR

ADC3EN

AHB2ENR

AESEN

AHB2ENR

CCBEN

AHB2ENR

DAC1EN

AHB2ENR

GPIOAEN

AHB2ENR

GPIOBEN

AHB2ENR

GPIOCEN

AHB2ENR

GPIODEN

AHB2ENR

GPIOEEN

AHB2ENR

GPIOFEN

AHB2ENR

GPIOGEN

AHB2ENR

GPIOHEN

AHB2ENR

HASHEN

AHB2ENR

PKAEN

AHB2ENR

RNGEN

AHB2ENR

SAESEN

AHB2LPENR

ADC12LPEN

AHB2LPENR

ADC3LPEN

AHB2LPENR

AESLPEN

AHB2LPENR

CCBLPEN

AHB2LPENR

DAC1LPEN

AHB2LPENR

GPIOALPEN

AHB2LPENR

GPIOBLPEN

AHB2LPENR

GPIOCLPEN

AHB2LPENR

GPIODLPEN

AHB2LPENR

GPIOELPEN

AHB2LPENR

GPIOFLPEN

AHB2LPENR

GPIOGLPEN

AHB2LPENR

GPIOHLPEN

AHB2LPENR

HASHLPEN

AHB2LPENR

PKALPEN

AHB2LPENR

RNGLPEN

AHB2LPENR

SAESLPEN

AHB2RSTR

ADC12RST

AHB2RSTR

ADC3RST

AHB2RSTR

AESRST

AHB2RSTR

CCBRST

AHB2RSTR

DAC1RST

AHB2RSTR

GPIOARST

AHB2RSTR

GPIOBRST

AHB2RSTR

GPIOCRST

AHB2RSTR

GPIODRST

AHB2RSTR

GPIOERST

AHB2RSTR

GPIOFRST

AHB2RSTR

GPIOGRST

AHB2RSTR

GPIOHRST

AHB2RSTR

HASHRST

AHB2RSTR

PKARST

AHB2RSTR

RNGRST

AHB2RSTR

SAESRST

APB1HENR

COMP12EN

APB1HENR

FDCANEN

APB1HLPENR

COMP12LPEN

APB1HLPENR

FDCANLPEN

APB1HRSTR

COMP12RST

APB1HRSTR

FDCANRST

APB1LENR

CRSEN

APB1LENR

I2C1EN

APB1LENR

I2C2EN

APB1LENR

I3C1EN

APB1LENR

OPAMP1EN

APB1LENR

SPI2EN

APB1LENR

SPI3EN

APB1LENR

TIM12EN

APB1LENR

TIM2EN

APB1LENR

TIM3EN

APB1LENR

TIM4EN

APB1LENR

TIM5EN

APB1LENR

TIM6EN

APB1LENR

TIM7EN

APB1LENR

UART4EN

APB1LENR

UART5EN

APB1LENR

UART7EN

APB1LENR

USART2EN

APB1LENR

USART3EN

APB1LENR

USART6EN

APB1LENR

WWDGEN

APB1LLPENR

CRSLPEN

APB1LLPENR

I2C1LPEN

APB1LLPENR

I2C2LPEN

APB1LLPENR

I3C1LPEN

APB1LLPENR

OPAMP1LPEN

APB1LLPENR

SPI2LPEN

APB1LLPENR

SPI3LPEN

APB1LLPENR

TIM12LPEN

APB1LLPENR

TIM2LPEN

APB1LLPENR

TIM3LPEN

APB1LLPENR

TIM4LPEN

APB1LLPENR

TIM5LPEN

APB1LLPENR

TIM6LPEN

APB1LLPENR

TIM7LPEN

APB1LLPENR

UART4LPEN

APB1LLPENR

UART5LPEN

APB1LLPENR

UART7LPEN

APB1LLPENR

USART2LPEN

APB1LLPENR

USART3LPEN

APB1LLPENR

USART6LPEN

APB1LLPENR

WWDGLPEN

APB1LRSTR

CRSRST

APB1LRSTR

I2C1RST

APB1LRSTR

I2C2RST

APB1LRSTR

I3C1RST

APB1LRSTR

OPAMP1RST

APB1LRSTR

SPI2RST

APB1LRSTR

SPI3RST

APB1LRSTR

TIM12RST

APB1LRSTR

TIM2RST

APB1LRSTR

TIM3RST

APB1LRSTR

TIM4RST

APB1LRSTR

TIM5RST

APB1LRSTR

TIM6RST

APB1LRSTR

TIM7RST

APB1LRSTR

UART4RST

APB1LRSTR

UART5RST

APB1LRSTR

UART7RST

APB1LRSTR

USART2RST

APB1LRSTR

USART3RST

APB1LRSTR

USART6RST

APB2ENR

SPI1EN

APB2ENR

TIM15EN

APB2ENR

TIM16EN

APB2ENR

TIM17EN

APB2ENR

TIM1EN

APB2ENR

TIM8EN

APB2ENR

USART1EN

APB2ENR

USBEN

APB2LPENR

SPI1LPEN

APB2LPENR

TIM15LPEN

APB2LPENR

TIM16LPEN

APB2LPENR

TIM17LPEN

APB2LPENR

TIM1LPEN

APB2LPENR

TIM8LPEN

APB2LPENR

USART1LPEN

APB2LPENR

USBLPEN

APB2RSTR

SPI1RST

APB2RSTR

TIM15RST

APB2RSTR

TIM16RST

APB2RSTR

TIM17RST

APB2RSTR

TIM1RST

APB2RSTR

TIM8RST

APB2RSTR

USART1RST

APB2RSTR

USBRST

APB3ENR

LPTIM1EN

APB3ENR

LPUART1EN

APB3ENR

RTCAPBEN

APB3ENR

SBSEN

APB3LPENR

LPTIM1LPEN

APB3LPENR

LPUART1LPEN

APB3LPENR

RTCAPBLPEN

APB3LPENR

SBSLPEN

APB3RSTR

LPTIM1RST

APB3RSTR

LPUART1RST

APB3RSTR

SBSRST

CFGR2

AHB1DIS

CFGR2

AHB2DIS

CFGR2

APB1DIS

CFGR2

APB3DIS