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Altera_Forum's avatar
Altera_Forum
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15 years ago

Problem with SDRAM

Hello Folks, i really have a problem with my Nios running on external SDRAM... I try to get my own bord running and the code has to run from SDRAM. I know the problem with the phase s...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

Working !!!

Great Thanks!

I shifted sdram clock (82 MHz) from 0 to 12 ns.

0 to 2 ns - verify of download failed

3 to 6 ns - verify works, but debug mode doesnt find main (as descriped above)

7 to 11 ns - verify works and debug mode finds main, HelloWorld is running

i now use 9 ns delay :)

thx again!