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Altera_Forum
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20 years ago

Problem with DMA in new NIOS

Hello! I've made design for my custom board and I run it does work, but when I added to my design DMA it doesn't work. Then I remove dma from design it again does work. In old ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
20 years ago

RemyMartin, what advantage are you hoping to gain by enabling DMA bursting?

Can you doublecheck your DMA parameters? If you have DMA enabled, but you've set the DMA to use registers for its FIFO, you'll use a large amount of device resources (the burst-enabled DMA has a larger FIFO than the non-burst DMA). Try setting the DMA FIFO to use embedded memories.