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Altera_Forum
Honored Contributor
16 years agoHow to write user logic to control SOPC DMA controller?
Dear all, How to write user logic to control a SOPC DMA controller ? without Nios II? So it is a Avalon Memory Mapped Master, connect to slave port of the DMA controller, but how to initiliz...
Altera_Forum
Honored Contributor
13 years agoThey are usually not documented. When you write an Avalon Master it is a lot safer to implement the waitrequest signal instead (in fact I thought it was mandatory!). Then you don't have to worry about cycle lengths, you just hold your read or write control signals until waitrequest is deasserted.