EPwm2Regs.TBCTL.bit.SYNCOSEL= TB_SYNC_IN;//sync flow-through(同步流入)EPwm2Regs.TBCTL.bit.PHSEN = TB_ENABLE;//Slave moduleEPwm2Regs.TBCTL.bit.PHSDIR = TB_DOWN;//Count DOWN on sync (=120 deg),同步信号来临时,向下计数EPwm2Regs.CMPCTL.bit.SHDWAMODE=CC_SHADOW; EPwm2Regs.CMPCTL.bit....