Low-, medium-, high- and XL-density reset and clock control (RCC) RM0008
109/1128 DocID13902 Rev 15
7.3.5 APB1 peripheral reset register (RCC_APB1RSTR)
Address offset: 0x10
Reset value: 0x0000 0000
Access: no wait state, word, half-word and byte access
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
Reserved
DAC
RST
PWR
RST
BKP
RST
Res.
CAN
RST
Res.
USB
RST
I2C2
RST
I2C1
RST
UART5
RST
UART4
RST
USART
3
RST
USART
2
RST
Res.
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1514131211109 8 76543 2 1 0
SPI3
RST
SPI2
RST
Reserved
WWDG
RST
Reserved
TIM14
RST
TIM13
RST
TIM12
RST
TIM7
RST
TIM6
RST
TIM5
RST
TIM4
RST
TIM3
RST
TIM2
RST
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Bits 31:30 Reserved, must be kept at reset value.
Bit 29 DACRST: DAC interface reset
Set and cleared by software.
0: No effect
1: Reset DAC interface
Bit 28 PWRRST: Power interface reset
Set and cleared by software.
0: No effect
1: Reset power interface
Bit 27 BKPRST: Backup interface reset
Set and cleared by software.
0: No effect
1: Reset backup interface
Bit 26 Reserved, must be kept at reset value.
Bit 25 CANRST: CAN reset
Set and cleared by software.
0: No effect
1: Reset CAN
Bit 24 Reserved, always read as 0.
Bit 23 USBRST: USB reset
Set and cleared by software.
0: No effect
1: Reset USB
Bit 22 I2C2RST: I2C2 reset
Set and cleared by software.
0: No effect
1: Reset I2C2
Bit 21 I2C1RST: I2C1 reset
Set and cleared by software.
0: No effect
1: Reset I2C1