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请问一下,当EPWMSYNCI没有输入同步信号时,但是EPwm1Regs.TBCTL.bit.SYNCOSEL = TB_CTR_ZERO设置了EPWM1输出同步信号,那EPWM2能不能收到同步信号。
看具体怎么设置。因为PWM1的SYNCI可以选择使用或者忽略来自EPWMSYNCI的信号,而PWM1的SYNCO则可以选择使用sync-in(EPWMSYNCI)或者CTR = PRD作为同步输出信号。
如果没有EPWMSYNCI这个信号,PWM1的SYNCO在CTR = PRD作为同步输出信号,epwm2和epwm3接收该信号,那么epwm1、epwm2和epwm3是否可以保持同步?