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关于HRPWM的疑问 ------ 一直糊涂着



一、几个数据怎么对应:

      CMPAHR的有效数为8位,每增加1,脉冲宽度增加多?

二、在调试时,发现EPMW1有HRMSTEP、HRPCTL,而其它没这个寄存器,如EPWM2~8均没有发现这两个寄存器。那么除EPWM1外是怎样控制HREPWM的?

三、如果使用EPWM1,HRMSTEP = 80,那么,CMPA.all++  是什么效果?  

      ( 或者,

           Uint32 abc ;

            abc ++;

           CMPA.all  = abc << 8;