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

ADF1EN

AHB1ENR

GPDMA1EN

AHB1ENR

HSPEN

AHB1ENR

OTGFSEN

AHB1LPENR

ADF1LPEN

AHB1LPENR

GPDMA1LPEN

AHB1LPENR

HSPLPEN

AHB1LPENR

OTGFSLPEN

AHB1RSTR

ADF1RST

AHB1RSTR

GPDMA1RST

AHB1RSTR

HSPRST

AHB1RSTR

OTGFSRST

AHB2ENR

AHBSRAM1EN

AHB2ENR

AHBSRAM2EN

AHB2ENR

AHBSRAM3EN

AHB2ENR

CORDICEN

AHB2ENR

FMAC1EN

AHB2LPENR

AHBSRAM1LPEN

AHB2LPENR

AHBSRAM2LPEN

AHB2LPENR

AHBSRAM3LPEN

AHB2LPENR

CORDICLPEN

AHB2LPENR

FMAC1LPEN

AHB2RSTR

CORDICRST

AHB2RSTR

FMAC1RST

AHB3ENR

ADC12EN

AHB3ENR

ADC34EN

AHB3ENR

DAC1EN

AHB3ENR

DAC2EN

AHB3ENR

DAC3EN

AHB3ENR

DAC4EN

AHB3ENR

HASHEN

AHB3ENR

RNGEN

AHB3LPENR

ADC12LPEN

AHB3LPENR

ADC34LPEN

AHB3LPENR

DAC1LPEN

AHB3LPENR

DAC2LPEN

AHB3LPENR

DAC3LPEN

AHB3LPENR

DAC4LPEN

AHB3LPENR

HASHLPEN

AHB3LPENR

RNGLPEN

AHB3RSTR

ADC12RST

AHB3RSTR

ADC34RST

AHB3RSTR

DAC1RST

AHB3RSTR

DAC2RST

AHB3RSTR

DAC3RST

AHB3RSTR

DAC4RST

AHB3RSTR

HASHRST

AHB3RSTR

RNGRST

AHB4ENR

BKPRAMEN

AHB4ENR

CRCEN

AHB4ENR

GPIOAEN

AHB4ENR

GPIOBEN

AHB4ENR

GPIOCEN

AHB4ENR

GPIODEN

AHB4ENR

GPIOEEN

AHB4ENR

GPIOFEN

AHB4ENR

GPIOGEN

AHB4ENR

GPIOHEN

AHB4ENR

GPIOIEN

AHB4LPENR

BKPRAMLPEN

AHB4LPENR

CRCLPEN

AHB4LPENR

GPIOALPEN

AHB4LPENR

GPIOBLPEN

AHB4LPENR

GPIOCLPEN

AHB4LPENR

GPIODLPEN

AHB4LPENR

GPIOELPEN

AHB4LPENR

GPIOFLPEN

AHB4LPENR

GPIOGLPEN

AHB4LPENR

GPIOHLPEN

AHB4LPENR

GPIOILPEN

AHB4RSTR

CRCRST

AHB4RSTR

GPIOARST

AHB4RSTR

GPIOBRST

AHB4RSTR

GPIOCRST

AHB4RSTR

GPIODRST

AHB4RSTR

GPIOERST

AHB4RSTR

GPIOFRST

AHB4RSTR

GPIOGRST

AHB4RSTR

GPIOHRST

AHB4RSTR

GPIOIRST

AHB5ENR

FMCEN

AHB5ENR

HPDMA1EN

AHB5ENR

NPUEN

AHB5ENR

SDMMC1EN

AHB5ENR

XSPI1EN

AHB5LPENR

AXISRAMLPEN

AHB5LPENR

DTCM1LPEN

AHB5LPENR

DTCM2LPEN

AHB5LPENR

FLASHLPEN

AHB5LPENR

FMCLPEN

AHB5LPENR

HPDMA1LPEN

AHB5LPENR

ITCMLPEN

AHB5LPENR

NPULPEN

AHB5LPENR

SDMMC1LPEN

AHB5LPENR

XSPI1LPEN

AHB5RSTR

FMCRST

AHB5RSTR

HPDMA1RST

AHB5RSTR

NPURST

AHB5RSTR

SDMMC1RST

AHB5RSTR

XSPI1RST

APB1ENR1

I2C1EN

APB1ENR1

I2C2EN

APB1ENR1

I2C3EN

APB1ENR1

I3C1EN

APB1ENR1

LPTIM1EN

APB1ENR1

SPI2EN

APB1ENR1

SPI3EN

APB1ENR1

TIM10EN

APB1ENR1

TIM11EN

APB1ENR1

TIM12EN

APB1ENR1

TIM13EN

APB1ENR1

TIM14EN

APB1ENR1

TIM2EN

APB1ENR1

TIM3EN

APB1ENR1

TIM4EN

APB1ENR1

TIM5EN

APB1ENR1

TIM6EN

APB1ENR1

TIM7EN

APB1ENR1

UART4EN

APB1ENR1

UART5EN

APB1ENR1

UART7EN

APB1ENR1

UART8EN

APB1ENR1

USART2EN

APB1ENR1

USART3EN

APB1ENR1

WWDGEN

APB1ENR2

CRSEN

APB1ENR2

FDCANEN

APB1ENR2

UCPD1EN

APB1LPENR1

I2C1LPEN

APB1LPENR1

I2C2LPEN

APB1LPENR1

I2C3LPEN

APB1LPENR1

I3C1LPEN

APB1LPENR1

LPTIM1LPEN

APB1LPENR1

SPI2LPEN

APB1LPENR1

SPI3LPEN

APB1LPENR1

TIM10LPEN

APB1LPENR1

TIM11LPEN

APB1LPENR1

TIM12LPEN

APB1LPENR1

TIM13LPEN

APB1LPENR1

TIM14LPEN

APB1LPENR1

TIM2LPEN

APB1LPENR1

TIM3LPEN

APB1LPENR1

TIM4LPEN

APB1LPENR1

TIM5LPEN

APB1LPENR1

TIM6LPEN

APB1LPENR1

TIM7LPEN

APB1LPENR1

UART4LPEN

APB1LPENR1

UART5LPEN

APB1LPENR1

UART7LPEN

APB1LPENR1

UART8LPEN

APB1LPENR1

USART2LPEN

APB1LPENR1

USART3LPEN

APB1LPENR1

WWDGLPEN

APB1LPENR2

CRSLPEN

APB1LPENR2

FDCANLPEN

APB1LPENR2

UCPD1LPEN

APB1RSTR1

I2C1RST

APB1RSTR1

I2C2RST

APB1RSTR1

I2C3RST

APB1RSTR1

I3C1RST

APB1RSTR1

LPTIM1RST

APB1RSTR1

SPI2RST

APB1RSTR1

SPI3RST

APB1RSTR1

TIM10RST

APB1RSTR1

TIM11RST

APB1RSTR1

TIM12RST

APB1RSTR1

TIM13RST

APB1RSTR1

TIM14RST

APB1RSTR1

TIM2RST

APB1RSTR1

TIM3RST

APB1RSTR1

TIM4RST

APB1RSTR1

TIM5RST

APB1RSTR1

TIM6RST

APB1RSTR1

TIM7RST

APB1RSTR1

UART4RST

APB1RSTR1

UART5RST

APB1RSTR1

UART7RST

APB1RSTR1

UART8RST

APB1RSTR1

USART2RST

APB1RSTR1

USART3RST

APB1RSTR2

CRSRST

APB1RSTR2

FDCANRST

APB1RSTR2

UCPD1RST

APB2ENR

HRTIM1EN

APB2ENR

HRTIM2EN

APB2ENR

SPI1EN

APB2ENR

SPI4EN

APB2ENR

SPI5EN

APB2ENR

TIM15EN

APB2ENR

TIM16EN

APB2ENR

TIM17EN

APB2ENR

TIM1EN

APB2ENR

TIM20EN

APB2ENR

TIM8EN

APB2ENR

TIM9EN

APB2ENR

UART9EN

APB2ENR

USART10EN

APB2ENR

USART1EN

APB2ENR

USART6EN

APB2LPENR

HRTIM1LPEN

APB2LPENR

HRTIM2LPEN

APB2LPENR

SPI1LPEN

APB2LPENR

SPI4LPEN

APB2LPENR

SPI5LPEN

APB2LPENR

TIM15LPEN

APB2LPENR

TIM16LPEN

APB2LPENR

TIM17LPEN

APB2LPENR

TIM1LPEN

APB2LPENR

TIM20LPEN

APB2LPENR

TIM8LPEN

APB2LPENR

TIM9LPEN

APB2LPENR

UART9LPEN

APB2LPENR

USART10LPEN

APB2LPENR

USART1LPEN

APB2LPENR

USART6LPEN

APB2RSTR

HRTIM1RST

APB2RSTR

HRTIM2RST

APB2RSTR

SPI1RST

APB2RSTR

SPI4RST

APB2RSTR

SPI5RST

APB2RSTR

TIM15RST

APB2RSTR

TIM16RST

APB2RSTR

TIM17RST

APB2RSTR

TIM1RST

APB2RSTR

TIM20RST

APB2RSTR

TIM8RST

APB2RSTR

TIM9RST

APB2RSTR

UART9RST

APB2RSTR

USART10RST

APB2RSTR

USART1RST

APB2RSTR

USART6RST

APB4ENR

COMP12EN

APB4ENR

COMP34EN

APB4ENR

COMP56EN

APB4ENR

COMP78EN

APB4ENR

DTSEN

APB4ENR

LPTIM2EN

APB4ENR

LPTIM3EN

APB4ENR

LPTIM4EN

APB4ENR

LPTIM5EN

APB4ENR

LPUART1EN

APB4ENR

RTCAPBEN

APB4ENR

SBSEN

APB4ENR

SPI6EN

APB4ENR

VREFEN

APB4LPENR

COMP12LPEN

APB4LPENR

COMP34LPEN

APB4LPENR

COMP56LPEN

APB4LPENR

COMP78LPEN

APB4LPENR

DTSLPEN

APB4LPENR

LPTIM2LPEN

APB4LPENR

LPTIM3LPEN

APB4LPENR

LPTIM4LPEN

APB4LPENR

LPTIM5LPEN

APB4LPENR

LPUART1LPEN

APB4LPENR

RTCAPBLPEN

APB4LPENR

SBSLPEN

APB4LPENR

SPI6LPEN

APB4LPENR

VREFLPEN

APB4RSTR

COMP12RST

APB4RSTR

COMP34RST

APB4RSTR

COMP56RST

APB4RSTR

COMP78RST

APB4RSTR

DTSRST

APB4RSTR

LPTIM2RST

APB4RSTR

LPTIM3RST

APB4RSTR

LPTIM4RST

APB4RSTR

LPTIM5RST

APB4RSTR

LPUART1RST

APB4RSTR

SBSRST

APB4RSTR

SPI6RST

APB4RSTR

VREFRST

CKGDISR

AHBICCKG

LL_CKG_IsEnabled()

CKGDISR

AHBMCKG

LL_CKG_IsEnabled()

CKGDISR

AHBSCKG

LL_CKG_IsEnabled()

CKGDISR

AXICKG

LL_CKG_IsEnabled()

CKGDISR

AXISRAM1CKG

LL_CKG_IsEnabled()

CKGDISR

AXISRAM2CKG

LL_CKG_IsEnabled()

CKGDISR

AXISRAM3CKG

LL_CKG_IsEnabled()

CKGDISR

AXISRAM4CKG

LL_CKG_IsEnabled()

CKGDISR

CPUCKG

LL_CKG_IsEnabled()

CKGDISR

EXTICKG

LL_CKG_IsEnabled()

CKGDISR

FLASHCKG

LL_CKG_IsEnabled()

CKGDISR

FMCCKG

LL_CKG_IsEnabled()

CKGDISR

HPDMA1CKG

LL_CKG_IsEnabled()

CKGDISR

JTAGCKG

LL_CKG_IsEnabled()

CKGDISR

NPU0CKG

LL_CKG_IsEnabled()

CKGDISR

NPU1CKG

LL_CKG_IsEnabled()

CKGDISR

SDMMC1CKG

LL_CKG_IsEnabled()

CKGDISR

XSPI1CKG

LL_CKG_IsEnabled()