EPwm1Regs.TBPRD = 5000;
   EPwm1Regs.TBPHS.half.TBPHS = 0;
   EPwm1Regs.TBCTR = 0;
   EPwm1Regs.TBCTL.bit.CTRMODE = TB_COUNT_UPDOWN;
   EPwm1Regs.TBCTL.bit.PHSEN = TB_DISABLE;
   EPwm1Regs.TBCTL.bit.PRDLD= TB_SHADOW;
   EPwm1Regs.TBCTL.bit.SYNCOSEL = TB_CTR_ZERO;
   EPwm1Regs.TBCTL.bit.CLKDIV = 0x7;
   EPwm1Regs.TBCTL.bit.HSPCLKDIV = 0x7;
   EPwm1Regs.CMPCTL.bit.SHDWAMODE = CC_SHADOW;
   EPwm1Regs.CMPCTL.bit.LOADAMODE = CC_CTR_ZERO;
   EPwm1Regs.AQCTLA.bit.CAU = AQ_SET;
   EPwm1Regs.AQCTLA.bit.CAD = AQ_CLEAR;
   EPwm1Regs.DBCTL.bit.IN_MODE = DB_DISABLE;
   EPwm1Regs.DBCTL.bit.OUT_MODE = DB_FULL_ENABLE;
   EPwm1Regs.DBCTL.bit.POLSEL = DB_ACTV_HIC;
   EPwm1Regs.DBFED = 1023;
   EPwm1Regs.DBRED = 1023;
EPwm1Regs.CMPA.half.CMPA = 2000;

这同样的一段程序，对epwm1、4、5有用，对epwm2、3、6、没有用，暂停看对应寄存器，这几个模块的的寄存器都没有写成功，都是0x0000；
麻烦高手指点下 此帖出自小平头技术问答