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使用PWM1和PWM3两组 两者开关频率不一样,PWM1始终能出来,PWM3有时能出来有时出不来
IO管脚配置肯定没问题,现在有两个问题
1:当使用两个PWM模块时,如果开关频率不一样,就不能使用同步功能了吧?将EPWM3SYNCO设置成3,取消同步;
2:两个PWM模块使用不同开关频率时会有一个PWM出不来的情况吗?