ST STM32F102 series User Manual

RM0008 Reset and clock control (RCC)
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Bit 27 BKPEN Backup interface clock enable
Set and reset by software.
0: Backup interface clock disabled
1: Backup interface clock enabled
Bit 26 Reserved, always read as 0.
Bit 25 CANEN CAN clock enable
Set and reset by software.
0: CAN clock disabled
1: CAN clock enabled
Bit 24 Reserved, always read as 0.
Bit 23 USBEN USB clock enable
Set and reset by software.
0: USB clock disabled
1: USB clock enabled
Bit 22 I2C2EN I2C 2 clock enable
Set and reset by software.
0: I2C 2 clock disabled
1: I2C 2 clock enabled
Bit 21 I2C1EN I2C 1 clock enable
Set and reset by software.
0: I2C 1 clock disabled
1: I2C 1 clock enabled
Bit 20 UART5EN USART 5 clock enable
Set and reset by software.
0: USART 5 clock disabled
1: USART 5 clock enabled
Bit 19 UART4EN USART 4 clock enable
Set and reset by software.
0: USART 4 clock disabled
1: USART 4 clock enabled
Bit 18 USART3EN USART 3 clock enable
Set and reset by software.
0: USART 3 clock disabled
1: USART 3 clock enabled
Bit 17 USART2EN USART 2 clock enable
Set and reset by software.
0: USART 2 clock disabled
1: USART 2 clock enabled
Bits 16 Reserved, always read as 0.
Bit 15 SPI3EN SPI 3 clock enable
Set and reset by software.
0: SPI 3 clock disabled
1: SPI 3 clock enabled

ST STM32F102 series Specifications

General

Brand	ST
Model	STM32F102 series
Category	Microcontrollers
Language	English