the data ready handshaking flag is getting cleared in the wrong spot. test1 is the flag, and the green M1 cursor shows that it is getting cleared even though DMA hasn't started
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the data ready handshaking flag is getting cleared in the wrong spot. test1 is the flag, and the green M1 cursor shows that it is getting cleared even though DMA hasn't started 3 comments
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i was using a version of the "dma running" signal that was latched on the falling edge of CMD, so it was possible to trigger this clear signal even when DMA wasn't actually in progress.