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 RCC registers

Register

Bit

Function

APBCFGR

PPRE1

APBCFGR

PPRE2

APBCFGR

PPRE4

BDCR

LSEBYP

BDCR

LSECSSD

BDCR

LSECSSON

BDCR

LSECSSRA

BDCR

LSEDRV

BDCR

LSEEXT

BDCR

LSEON

BDCR

LSERDY

BDCR

RTCEN

BDCR

RTCSEL

BDCR

VSWRST

BMCFGR

BMPRE

CCIPR1

ADCDIV

CCIPR1

ADCSEL

CCIPR1

ADF1SEL

CCIPR1

CKPERSEL

CCIPR1

FMCSEL

CCIPR1

OTGFSSEL

CCIPR1

SDMMC1SEL

CCIPR1

XSPI1SEL

CCIPR2

CCIPR2

FDCANSEL

CCIPR2

I2C123SEL

CCIPR2

I3C1SEL

CCIPR2

LPTIM1SEL

CCIPR2

SPI23SEL

CCIPR2

UART234578SEL

CCIPR3

CCIPR3

SPI1SEL

CCIPR3

SPI45SEL

CCIPR3

USART16910SEL

CCIPR4

CCIPR4

DAC1SEL

CCIPR4

DAC1SHSEL

CCIPR4

DAC2SEL

CCIPR4

DAC3SEL

CCIPR4

DAC4SEL

CCIPR4

LPTIM23SEL

CCIPR4

LPTIM45SEL

CCIPR4

LPUART1SEL

CCIPR4

SPI6SEL

CCIPR5

ADCDIV

CDCFGR

CPRE

CFGR

MCO1PRE

CFGR

MCO1SEL

CFGR

MCO2PRE

CFGR

MCO2SEL

CFGR

RTCPRE

CFGR

STOPKERWUCK

CFGR

STOPWUCK

CFGR

SW

CFGR

SWS

CICR

CSIRDYC

CICR

HSECSSC

CICR

HSERDYC

CICR

HSI48RDYC

CICR

HSIRDYC

CICR

LSECSSC

CICR

LSERDYC

CICR

LSIRDYC

CICR

PLL1RDYC

CICR

PLL2RDYC

CICR

PLL3RDYC

CIER

CSIRDYIE

CIER

HSERDYIE

CIER

HSI48RDYIE

CIER

HSIRDYIE

CIER

LSECSSIE

CIER

LSERDYIE

CIER

LSIRDYIE

CIER

PLL1RDYIE

CIER

PLL2RDYIE

CIER

PLL3RDYIE

CIFR

CSIRDYF

CIFR

HSECSSF

CIFR

HSERDYF

CIFR

HSI48RDYF

CIFR

HSIRDYF

CIFR

LSECSSF

CIFR

LSERDYF

CIFR

LSIRDYF

CIFR

PLL1RDYF

CIFR

PLL2RDYF

CIFR

PLL3RDYF

CKPROTR

FMCCKP

CKPROTR

FMCSWP

CKPROTR

XSPICKP

CKPROTR

XSPISWP

CR

CSIKERON

CR

CSION

CR

CSIRDY

CR

HSEBYP

CR

HSECSSON

CR

HSEEXT

CR

HSEON

CR

HSERDY

CR

HSI48ON

CR

HSI48RDY

CR

HSIDIV

CR

HSIDIVF

CR

HSIKERON

CR

HSION

CR

HSIRDY

CR

PLL1ON

CR

PLL1RDY

CR

PLL2ON

CR

PLL2RDY

CR

PLL3ON

CR

PLL3RDY

CRRCR

HSI48CAL

CSICFGR

CSICAL

CSICFGR

CSITRIM

CSR

LSION

CSR

LSIRDY

HSICFGR

HSICAL

HSICFGR

HSITRIM

PLL1DIVR1

DIVN

PLL1DIVR1

DIVP

PLL1DIVR1

DIVQ

PLL1DIVR2

DIVS

PLL1FRACR

FRACN

PLL1SSCGR

INCSTEP

PLL1SSCGR

MODPER

PLL1SSCGR

RPDFNDIS

PLL1SSCGR

SPREADSEL

PLL1SSCGR

TPDFNDIS

PLL2DIVR1

DIVN

PLL2DIVR1

DIVP

PLL2DIVR1

DIVQ

PLL2DIVR1

DIVR

PLL2DIVR2

DIVS

PLL2DIVR2

DIVT

PLL2FRACR

FRACN

PLL2SSCGR

INCSTEP

PLL2SSCGR

MODPER

PLL2SSCGR

RPDFNDIS

PLL2SSCGR

SPREADSEL

PLL2SSCGR

TPDFNDIS

PLL3DIVR1

DIVN

PLL3DIVR1

DIVP

PLL3DIVR1

DIVQ

PLL3DIVR1

DIVR

PLL3DIVR2

DIVS

PLL3FRACR

FRACN

PLL3SSCGR

INCSTEP

PLL3SSCGR

MODPER

PLL3SSCGR

RPDFNDIS

PLL3SSCGR

SPREADSEL

PLL3SSCGR

TPDFNDIS

PLLCFGR

PLL1FRACEN

PLLCFGR

PLL1PEN

PLLCFGR

PLL1QEN

PLLCFGR

PLL1RGE

PLLCFGR

PLL1SEN

PLLCFGR

PLL1SSCGEN

PLLCFGR

PLL1VCOSEL

PLLCFGR

PLL2FRACLEN

PLLCFGR

PLL2PEN

PLLCFGR

PLL2QEN

PLLCFGR

PLL2REN

PLLCFGR

PLL2RGE

PLLCFGR

PLL2SEN

PLLCFGR

PLL2SSCGEN

PLLCFGR

PLL2TEN

PLLCFGR

PLL2VCOSEL

PLLCFGR

PLL3FRACEN

PLLCFGR

PLL3PEN

PLLCFGR

PLL3QEN

PLLCFGR

PLL3REN

PLLCFGR

PLL3RGE

PLLCFGR

PLL3SEN

PLLCFGR

PLL3SSCGEN

PLLCFGR

PLL3VCOSEL

PLLCKSELR

DIVM1

PLLCKSELR

DIVM2

PLLCKSELR

DIVM3

PLLCKSELR

PLLSRC

RCC_PLLCFGR

PLL1PEN

RSR

BORRSTF

RSR

IWDGRSTF

RSR

LPWRRSTF

RSR

OBLRSTF

RSR

PINRSTF

RSR

PORRSTF

RSR

RMVF

RSR

SFTRSTF

RSR

WWDGRSTF