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Altera_Forum's avatar
Altera_Forum
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10 years ago

mSG-DMA IRQ could not be cleared

Hi, I encountered the case that the IRQ bit in mSG-DMA status could not be cleared. I supplied descriptors for the MM-ST direction. The transfer size is small as 256Bytes. Every descriptor gener...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
10 years ago

Fascinating. Have you tried a SignalTap on the valid and interrupt lines?