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Altera_Forum
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14 years ago

Can't get DDR2 ALTMEMPHY to work on Cyclone IV E

Greetings. I am having some difficulty getting the Altera DDR2 ALTMEMPHY SDRAM controller to work on my Cyclone4E EP4CE30F23. I have configured the DDR2 controller to run in half-rate mod...
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Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

Is your design properly constrained, and does it pass all timing requirements? Parts of one design affecting another are usually an indication of timing problems.