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 |
|
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 |