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280049C EPWM模块link(EPWMXLINK)问题

280049C的EPWM模块link功能是如何工作的?

把EPWM2-EPWMXLINK寄存器-CMPALINK位设置为0,link到EPWM1。

EPWM1 CMPA寄存器设置为shadow模式。

现在假设EPWM1 CMPA active寄存器为100,向CMPA shadow寄存器写入200.那么EPWM2 CMPA寄存器的值会是多少?这个值是直接写入EPWM2 shadow还是active寄存器?