FCLK、HCLK、PCLK
FCLK: 为CPU核供给时钟信号,我们所说的cpu主频为200MHz,就是指的这个时钟信号,相应的,1/Fclk即为cpu时钟周期
HCLK: 为AHB bus peripherals供给时钟信号,AHB为advanced
high-performance bus
PCLK: 为APB bus peripherals供给时钟信号,APB为advanced
peripherals bus
FCLK、HCLK、PCLK
FCLK: 为CPU核供给时钟信号,我们所说的cpu主频为200MHz,就是指的这个时钟信号,相应的,1/Fclk即为cpu时钟周期
HCLK: 为AHB bus peripherals供给时钟信号,AHB为advanced
high-performance bus
PCLK: 为APB bus peripherals供给时钟信号,APB为advanced
peripherals bus