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Altera_Forum
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20 years ago

Altera 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_Forum's avatar
Altera_Forum
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20 years ago

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originally posted by slacker+aug 22 2006, 01:26 pm--><div class='quotetop'>quote (slacker @ aug 22 2006, 01:26 pm)</div>

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why would you want to use a ddr controller for an sdram? you use the controller that&#39;s appropriate for the memory on your board. this is, in your case, an sdram (single data rate) controller.[/b]

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got point, i was confused weither it was sdram or ddr. i&#39;ve my answer now.

<!--quotebegin-slacker@Aug 22 2006, 01:26 PM

if your design doesn&#39;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.

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I will report if i&#39;ve the time.

Thanks,

-Pascal