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https://e2e.ti.com/support/microcontrollers/c2000-microcontrollers-group/c2000/f/c2000-microcontrollers-forum/641243/tms320f28379d-dma-transfers-to-epwm-don-t-update-cmpa-register
至ePWM CMPA寄存器的DMA传输不会更新寄存器内容。
在研究此问题时，我发现了其他C2000器件的几个案例，用户参考controlSUITE中的ePWM_DMA示例以获得指导。 但是，2.8379万没有ePWM_DMA示例。 当目标在全局RAM中时，DMA工作正常-- DMA似乎无法访问ePWM寄存器。
