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DMA one follow one

Question asked by xinxizyf on Feb 1, 2013
Latest reply on Apr 3, 2013 by jeyanthi.jegadeesan

Hi, I hope someone help me.
1. In case I use identical DMA to transport data, I must wait the over of the precedent, and then I can do next DMA. Or the next DMA and later will not function. Why?
2.  When I use two kinds of DMA, if the precedent is busy, and the next is coming. Will the next function? I haven't test.