【STM32】系统时钟RCC详解(超详细，超全面)_rcc时钟_Z小旋的博客-CSDN博客

RCC库常用函数 void RCC_AHBPeriphClockCmd(uint32_t RCC_AHBPeriph, FunctionalState NewState); void RCC_APB2PeriphClockCmd(uint32_t RCC_APB2Periph, FunctionalState NewState); void RCC_APB1PeriphClockCmd(uint32_t RCC_APB1Periph, FunctionalState NewState);