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Altera_Forum's avatar
Altera_Forum
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14 years ago

Modifying ddr controller parameters

I have designed a new pcb with a cyclone iii and a ddr memory. I have not respected the track lengths. Anyone knows how to modify ddr controller parameters in order to fit a more relaxable design? (n...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

Reducing the memory frequency is the most promising method to make the design work though, if length mismatch or e.g. crosstalk is causing the failure. Modifying drive strengths and/or dynamic termination schemes may also improve the situation.