ST STM32F101xx User Manual

RM0008 Low-, medium-, high- and XL-density reset and clock control (RCC)
Doc ID 13902 Rev 12 119/1096
7.3.11 RCC register map
The following table gives the RCC register map and the reset values.
Refer to Table 3 on page 50 for the register boundary addresses.
Table 18. RCC register map and reset values
Offset Register
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
9 8 7 6 5 4 3 2 1 0
0x00
RCC_CR
Reserved
PLL RDY
PLL ON
Reserved
CSSON
HSEBYP
HSERDY
HSEON
HSICAL[7:0] HSITRIM[4:0]
Reserved
HSIRDY
HSION
Reset value 00 00000000000010000 11
0x04
RCC_CFGR
Reserved
MCO [2:0]
Reserved
USBPRE
PLLMUL[3:0]
PLLXTPRE
PLLSRC
ADC
PRE
[1:0]
PPRE2
[2:0]
PPRE1
[2:0]
HPRE[3:0]
SWS
[1:0]
SW
[1:0]
Reset value 000 00000000000000000000000
0x08
RCC_CIR
Reserved
CSSC
Reserved
PLLRDYC
HSERDYC
HSIRDYC
LSERDYC
LSIRDYC
Reserved
PLLRDYIE
HSERDYIE
HSIRDYIE
LSERDYIE
LSIRDYIE
CSSF
Reserved
PLLRDYF
HSERDYF
HSIRDYF
LSERDYF
LSIRDYF
Reset value 0 00000 000000 00000
0x0C
RCC_APB2RSTR
Reserved
TIM11RST TIM10RST
TIM9RST
Reserved
ADC3RST
USART1RST
TIM8RST
SPI1RST
TIM1RST
ADC2RST ADC1RST
IOPGRST
IOPFRST
IOPERST
IOPDRST IOPCRST
IOPBRST
IOPARST
Reserved
AFIORST
Reset value 000 00000000000000 0
0x010
RCC_APB1RSTR
Reserved
DACRST
PWRRST
BKPRST
Reserved
CANRST
Reserved
USBRST
I2C2RST I2C1RST
UART5RST UART4RST
USART3RST USART2RST
Reserved
SPI3RST SPI2RST
Reserved
WWDGRST
Reser
ved
TIM14RST TIM13RST TIM12RST
TM7RST TM6RST TM5RST
TIM4RST TIM3RST TIM2RST
Reset value 000 0 0000000 00 0 000000000
0x14
RCC_AHBENR
Reserved
SDIOEN
Reserved
FSMCEN
Reserved
CRCEN
Reserved
FLITFEN
Reserved SRAMEN
DM2AEN DM1AEN
Reset value 000 1 100
0x18
RCC_APB2ENR
Reserved
TIM11 EN TIM10 EN
TIM9 EN
Reserved
ADC3EN
USART1EN
TIM8EN
SPI1EN
TIM1EN
ADC2EN ADC1EN
IOPGEN
IOPFEN
IOPEEN
IOPDEN IOPCEN
IOPBEN
IOPAEN
Reserved
AFIOEN
Reset value 000 00000000000000 0
0x1C
RCC_APB1ENR
Reserved
DACEN
PWREN
BKPEN
Reserved
CANEN
Reserved
USBEN
I2C2EN I2C1EN
UART5EN UART4EN
USART3EN USART2EN
Reserved
SPI3EN SPI2EN
Reserved
WWDGEN
Reserved
TIM14EN TIM13EN TIM12EN
TIM7EN TIM6EN TIM5EN TIM4EN TIM3EN TIM2EN
Reset value 000 0 0000000 00 0 000000000
0x20
RCC_BDCR
Reserved
BDRST
RTCEN
Reserved
RTC
SEL
[1:0]
Reserved
LSEBYP
LSERDY
LSEON
Reset value 0000000
0x24
RCC_CSR
LPWRSTF
WWDGRSTF
IWDGRSTF
SFTRSTF
PORRSTF
PINRSTF
Reserved
RMVF
Reserved
LSIRDY
LSION
Reset value 000011 0 00

ST STM32F101xx Specifications

General

Brand	ST
Model	STM32F101xx
Category	Microcontrollers
Language	English