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6678 DMA3 region疑问



各位专家好,在学习dma相关知识,看到每个通道被分成多个region,在数据传输过程中使用region和不使用有什么区别或者好处?每个通道的资源对每个region都是单独的还是?不同的region对应同一个通道,那么传输会不会冲突?这块不太清楚,希望专家能给解释下,谢谢