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Altera_Forum
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20 years ago

Problem using SDRAM

Hello, I have problem using SDRAM on my custom board. My program won't run when I map program memory(.text) to SDRAM. I have no trouble reading/writing SDRAM from my program if .text...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
20 years ago

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originally posted by fuji@Oct 21 2005, 06:42 AM

we some how managed to solve the problem

by shifting the phase of altpll.

--- Quote End ---

Yeah, you have to set that on a per-design basis. That phase shift compensates for delay in the non-clock lines to the SDRAM.