假定STM32F103单片机外部振荡器是8MHz。执行下列程序。void BSP_Init(void){RCC_HSEConfig(RCC_HSE_ON);HSESta
RCC_HSEConfig(RCC_HSE_ON); //等待外部高速时钟就绪且稳定 while(SUCCESS !=(RCC_WaitForHSEStartUp())); //配置锁相环时钟源和倍频系数 RCC_PLLConfig(RCC_PLLSource_HSE_Div1, RCC_PLLMul_9); //是能锁相环 RCC_PLLCmd(ENABLE); //等待锁相环准备就绪 while(SET != RCC_GetFlagStatus(RCC_FLAG...
假定STM32F103单片机外部振荡器是8MHz。执行下列程序。void BSP=Init(VOid){RCC=HSECOnfig(RCC=HSE=ON);HSEStar