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Altera_Forum's avatar
Altera_Forum
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14 years ago

UniPHY in QSYS

hi all, I'm working with the DE3 development board and I'm having trouble when trying to run a simple count binary software application in Eclipse. I'm getting a error message saying tha...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

Does your design meet timing? Nothing stands out as wrong to me. I would also double check the Uniphy errata, you might be running into a bug that is possibly fixed in 11.1

Once you get the memory interface working I recommend dropping the "Maximum Avalon Burst Length" down to 1 (Uniphy has internal burst merging built in) and then set the arbitration share of the Nios II instruction and data master connections to the SDRAM to be 8.