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Altera_Forum
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12 years ago

Concurrent writes in multi-ported memories

Hello, Do Altera FPGA s have a mechanism to handle concurrent writes? From what I could find from the documentation if both ports try write to same to the same address in the same clock cycle, ...
Altera_Forum's avatar
Altera_Forum
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12 years ago

Use the MegaWizard to instantiate a dual-ported RAM. I recall there are some settings towards the end regarding whether you want to read old or new data. Those parameters get translated into generics. You can read the generics from the altsyncram instance that gets created.

I typically do this to get the generics correct, instantiate the altsyncram directly, and delete the megawizard instance.

Cheers,

Dave