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Altera_Forum
Honored Contributor
13 years agomSGDMA stride reads/writes
Has anyone used the Stride feature (available with the extended descriptor)? I using the Qsys PCIe example design on the wiki. When I enable the extended descriptor and stride option, the data tran...
Altera_Forum
Honored Contributor
12 years ago8-bit symbols means that the smallest unit of streaming data is a byte, and since the FIFO is 64-bit that means you require eight 8-bit symbols to fill up the width so that is setup correctly.
In the case of the output FIFOs, as long as valid is high then you should be reading the correct data. For the input FIFOs you should only write valid data into the sink port when the ready signal is high otherwise you run the risk of overflowing the FIFO.