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EALLOW; SysCtrlRegs.PCLKCR1.bit.EPWM2ENCLK = 0; // ePWM2 SysCtrlRegs.PCLKCR1.bit.EPWM1ENCLK = 0; // ePWM1 EDIS;
我这样做，把EPWM1和EPWM2的时钟给关了，但是为什么它不是输出为零，反而输出高电平（3.3v）,是什么原因？
时钟关了 这时候决定输出的就是硬件结构了 你要看看PWM波输出口在默认情况下是上拉还是下拉
建议你把时钟别关 可以采用强制高或强制低的方式去控制输出
