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Altera_Forum
Honored Contributor
Honored ContributorSimultaneous Write/Read to on chip dual port RAM
Obviously simultaneous writes will cause problems. In our case, one Avalon Master is reading while the other Master is writing. So, the question is, will simultaneous write and read of t...
Altera_ForumHonored Contributor
Honored ContributorIf you just detect a change to a memory location it wont matter if the value is being updated at the same time.
If you need the new value, keep reading it until you get the same value twice. I don't think the way the nios accesses tightly coupled memory is documented anywhere. We worked it out from signaltap traces.
