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Altera_Forum's avatar
Altera_Forum
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15 years ago

Can DMA perform this application?

Hi, My application requires the following functionality with which I can get huge speedup. I want to read the data from sdram 4 bytes at a time, perform some computations and write back to sdra...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

Hi,

I have a question concerning the GO bit of a DMA controller core.

Can the GO bit be used to pause a DMA transfer? In other words, by changing the GO bit from 1 to 0, will the current DMA bus cycle complete and release the bus so that some thing else can access the destination memory for example, and reset the GO bit to 1 to resume the DMA transfer?