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28377S的EPWM触发ADC相关问题



我用EPWM3触发ADC采样,但是想保证EPWM3和EPWM2的TBCTR时基计数相同,我的EPWM2和EPWM3的初始化配置都相同并且是UP-DOWM计数模式,如果我没有配置 EPwm3Regs.TBCTL.bit.PHSDIR = 0;和 EPwm2Regs.TBCTL.bit.PHSDIR = 0;两个语句是否能保证EPWM3和EPWM2的TBCTR时基计数相同。另外如果触发了ADC采样在ADC采样中断执行的时候会不会使EPWM3和EPWM2的TBCTR时基计数不同步。