本帖最后由 xmshao 于 2016-3-18 22:47 编辑 ST的stm32cubeF7库里有相关历程 你的输出不是取决你的配置吗？OCxM: Output Compare x mode. 1110: Asymmetric PWM mode 1 - OC1REF has the same behavior as in PWM mode 1. OC1REFC outputs OC1REF when the counter is counting up, OC2REF when it is counting down. 1111: Asymmetric PWM mode 2 - OC1REF has the same behavior as in PWM mode 2. OC1REFC outputs OC1REF when the counter is counting up, OC2REF when it is counting down.
