ST STM32G4 Series User Manual

RM0440 Rev 4 313/2126
RM0440 Reset and clock control (RCC)
338
Bit 21 I2C1EN: I2C1 clock enable
Set and cleared by software.
0: I2C1 clock disabled
1: I2C1 clock enabled
Bit 20 UART5EN: UART5 clock enable
Set and cleared by software.
0: UART5 clock disabled
1: UART5 clock enabled
Bit 19 UART4EN: UART4 clock enable
Set and cleared by software.
0: UART4 clock disabled
1: UART4 clock enabled
Bit 18 USART3EN: USART3 clock enable
Set and cleared by software.
0: USART3 clock disabled
1: USART3 clock enabled
Bit 17 USART2EN: USART2 clock enable
Set and cleared by software.
0: USART2 clock disabled
1: USART2 clock enabled
Bit 16 Reserved, must be kept at reset value.
Bit 15 SPI3EN: SPI3 clock enable
Set and cleared by software.
0: SPI3 clock disabled
1: SPI3 clock enabled
Bit 14 SPI2EN: SPI2 clock enable
Set and cleared by software.
0: SPI2 clock disabled
1: SPI2 clock enabled
Bits 13:12 Reserved, must be kept at reset value.
Bit 11 WWDGEN: Window watchdog clock enable
Set by software to enable the window watchdog clock. Reset by hardware system reset.
This bit can also be set by hardware if the WWDG_SW option bit is reset.
0: Window watchdog clock disabled
1: Window watchdog clock enabled
Bit 10 RTCAPBEN: RTC APB clock enable
Set and cleared by software
0: RTC APB clock disabled
1: RTC APB clock enabled
Bit 9 Reserved, must be kept at reset value.
Bit 8 CRSEN: CRS Recovery System clock enable
Set and cleared by software.
0: CRS clock disabled
1: CRS clock enabled
Bits 7:6 Reserved, must be kept at reset value.

ST STM32G4 Series Specifications

General

Brand	ST
Model	STM32G4 Series
Category	Microcontrollers
Language	English