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hi,
我们在调试过程中发现,EPWM4和EPWM7的频率会突然发生变化,但是此时相应的周期寄存器,并没有变化。如下波形
CH1, CH2,CH5 是MCU发出来的PWM信号,其中CH1和CH5是Epwm4A和Epwm4B互补。
正常情况下,我们是变频加移相控制策略,duty是50%
这个问题比较紧急,还请帮忙加速处理
thanks