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Altera_Forum
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17 years ago

Simultaneous 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_Forum's avatar
Altera_Forum
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11 years ago

If 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.