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Altera_Forum's avatar
Altera_Forum
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11 years ago

how to usethe dual port ram when reading and writing on the same moment?

in the latest quartus II 13.1 , when i use dual ram , how can i choose the output data is old or new when reading and writing happened at the same moment? in the megwizard ,i can't find the prope...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

For concurrent accesses to the same location the choices is 'old data' or 'random mix of old and new bits'.

If the memory type supportd OLD_DATA and you are using a single clock, then there ought to be a tick box.