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Altera_Forum's avatar
Altera_Forum
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12 years ago

SGDMA behaves badly if its descriptors are in off-chip RAM?

I observed some odd SGDMA behavior today. Does SGDMA behave badly if its descriptors are in off-chip RAM? In any case I think I see it copying the wrong data in the attached signal tap output. The co...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

No I've already used systems with the SGDMA using external memory on all its masters without any problem.

Could you add the ready signal to your Signaltap output?

Does Timequest report any timing violation?