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TMS570LC4357: PWM触发ADC的SOC信号疑问

Part Number: TMS570LC4357

您好,

请问TMS570LC4357中PWM触发ADC的转换信号EPWMxSOCA信号通过PINMMR可产生ePWM_A1和ePWM_A2信号,然后ePWM_A2与ePWM_B逻辑或后产生ePWM_AB信号(见下图)。请问这里使用PINMMR控制产生ePWM_A1/ePWM_A2的意义是什么?这两个信号有何差异(二者为同一信号)?在使用上有何注意事项?

谢谢!