stm32时钟计算

 

PLL_Vco_in = (外部晶振频率) / PLL_M;

PLL_Vco_out = PLL_Vco_in*PLL_N;

sysclock = PLL_Vco_out / PLL_P;

otherclock = PLL_Vco_out / PLL_Q; (SD卡，usb的时钟)

posted @ 2021-01-07 16:43  阡陌奈何  阅读(523)  评论(0)    收藏  举报