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Altera_Forum
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15 years ago

sdram 48LC4M32B2-7 with Cyclone III

Hi there, I'm having problem to run this sdram 48LC4M32B2-7 with my Cyclone III. If I select run on-chip then it's ok, but I run on sdram then I got error. 1. Run on-chip, I'm be abl...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

Maybe there is a timing problem?

If timing is not 100% ok on the SDRAM, you may get errors erratically.

Have you successfully run the memtest-template?

Whats your result of the timing analyser?

Can you give a bit more details about you system (components used, frequency).