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Altera_Forum
Honored Contributor
Honored ContributorProblem 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_ForumHonored Contributor
Honored ContributorHaqim,
Does the system you're using to run the Memory Test example include a DMA? If not, then you are not fully testing your memory. The Nios II's instruction master will behave much more like a DMA when it comes to instruction fetches and puts much more stress on the interface timing than the data master. There also was an example on the Wiki that automagically chose the "best" SDRAM phase offset (should be in ns/ps, _not_ degrees...right?). Cheers, -slacker
