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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
12 years agoThey do tell it, in the avalon specification (http://www.altera.com/literature/manual/mnl_avalon_spec_1_3.pdf). On pages 3-22 to 3-26 you will see the different transfer types with time diagrams. If you look at page 3-21 you will see that the waitrequest message is indeed required on an Avalon Master interface.