TIM时钟源CK_INT是APB1的倍频; CK_INT经CKD分频,驱动CK_CNT; PWM1:TIMx_CNT<TIMx_CCR1时,PWM=1;PWM2:TIMx_CNT<TIMx_CCR1时,PWM=0 OC1FE: Output compare 1 fast enable : 来源:https://www.cnblogs.com/deyicun/p/11417743.html 标签 stm32 ck pwm