关于fclk的精选

FCLK为CPU核供给时钟信号，1/Fclk即为cpu时钟周期。HCLK为AHBbusperipherals供给时钟信号，AHB为advancedhigh-performancebus。PCLK为APBbusperipherals供给时钟信号，APB为advancedperipheralsbus...