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Honored Contributor
Honored ContributorAltera DE2: SDRAM Ctrler Vs. DDR SDRAM Ctrler
After 4 days struggling to make SDRAM work on the Altera DE2, i finally succeded. I'm only able to do it using the SDRAM controller (not in megacore). I first tried clocking the SDRAM wit...
Altera_ForumHonored Contributor
Honored ContributorWhy would you want to use a DDR controller for an SDRAM? You use the controller that's appropriate for the memory on your board. This is, in your case, an SDRAM (single data rate) controller.
If your design doesn't work with a phase shift of -3.0ns, then this could be a problem with the Altera/Terasic provided examples. One that should be reported. - slacker
