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Altera_Forum
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11 years ago

Problem with SDRAM: works fine on Cyclone II but not on Cyclone IV

Hi forum, This problem is getting me crazy! I have two boards, both with an Alliance AS4C8M16S-6TIN SDRAM, one has a EP2C5T144C8N and the other a EP4C15E22C7N. I'm using Qsys SDRAM controller t...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

Well, i guess working 12 hours straight can mess up your sight, the phase shift i was using was -3.0 ps instead of ns...

Thanks for your help Socrates, made me double check the PLL settings and find the error :P