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我想通过DMA 操作不断修改 EPwm6Regs.CMPA.half.CMPA，这个行得通吗？从这个框图来看，貌似是可以的？
恐怕不行，PWM寄存器都是受写入保护的，跟DMA相关的似乎只有EPWMCFG寄存器
这里说的哪个寄存器？
