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FdeGr1's avatar
FdeGr1
Icon for New Contributor rankNew Contributor
6 years ago

SDRAM only work after refresh command

We are running NIOSII/F on a 10CL016YF484C8G from internal memory, but have issues with SDRAM(IS42S32200L). Without any delay after writing/reading the SDRAM data isn't always correct. About 10% corr...
BoonT_Intel's avatar
BoonT_Intel
Icon for Frequent Contributor rankFrequent Contributor
6 years ago

Hello, I believe you are asking about the SDRAM controller. Is the SDRAM controller that you mentioned here is Intel IP or your custom component? Is this happen on only one board or multiples board? This issue sound like is the SDRAM issue as its unable to retain the data without refresh even it still within the refresh period.