STM32G474xx HAL用户手册
宏定义
外设时钟选择
RCCEx导出的常量

宏定义

#define RCC_PERIPHCLK_USART1   0x00000001U
#define RCC_PERIPHCLK_USART2   0x00000002U
#define RCC_PERIPHCLK_USART3   0x00000004U
#define RCC_PERIPHCLK_UART4   0x00000008U
#define RCC_PERIPHCLK_UART5   0x00000010U
#define RCC_PERIPHCLK_LPUART1   0x00000020U
#define RCC_PERIPHCLK_I2C1   0x00000040U
#define RCC_PERIPHCLK_I2C2   0x00000080U
#define RCC_PERIPHCLK_I2C3   0x00000100U
#define RCC_PERIPHCLK_LPTIM1   0x00000200U
#define RCC_PERIPHCLK_SAI1   0x00000400U
#define RCC_PERIPHCLK_I2S   0x00000800U
#define RCC_PERIPHCLK_FDCAN   0x00001000U
#define RCC_PERIPHCLK_USB   0x00002000U
#define RCC_PERIPHCLK_RNG   0x00004000U
#define RCC_PERIPHCLK_ADC12   0x00008000U
#define RCC_PERIPHCLK_ADC345   0x00010000U
#define RCC_PERIPHCLK_I2C4   0x00020000U
#define RCC_PERIPHCLK_QSPI   0x00040000U
#define RCC_PERIPHCLK_RTC   0x00080000U

宏定义文档

#define RCC_PERIPHCLK_ADC12   0x00008000U
#define RCC_PERIPHCLK_ADC345   0x00010000U
#define RCC_PERIPHCLK_FDCAN   0x00001000U
#define RCC_PERIPHCLK_I2C1   0x00000040U
#define RCC_PERIPHCLK_I2C2   0x00000080U
#define RCC_PERIPHCLK_I2C3   0x00000100U
#define RCC_PERIPHCLK_I2C4   0x00020000U
#define RCC_PERIPHCLK_I2S   0x00000800U
#define RCC_PERIPHCLK_LPTIM1   0x00000200U
#define RCC_PERIPHCLK_LPUART1   0x00000020U
#define RCC_PERIPHCLK_QSPI   0x00040000U
#define RCC_PERIPHCLK_RNG   0x00004000U
#define RCC_PERIPHCLK_RTC   0x00080000U