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TMS320F28035: epwm模块的同步问题

Part Number: TMS320F28035


1.请问如果epwm1模块处于增-减计数模式,如果同步输出选择位SYNCOSEL选择01(即CTR=CMPB)时输出同步信号,那么如果CMPB<PRD的话,是否在一个周期内可以产生两个同步信号。

2.可以直接在中断程序中往时基计数器TBCTR赋值吗,那赋值完成时计数器就会从赋值开始计数吗?