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Altera_Forum
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16 years ago

Quartus II 9.1 changes inference rules for altsyncram

Hi folks, I may have found an interesting "feature" that appeared in Quartus II 9.1: a VHDL constant ROM is not inferred as an altasyncram if its size is not a power of 2. This is not the ...
Altera_Forum's avatar
Altera_Forum
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16 years ago

No, I have just a few deviations from standard settings, and nothing related to RAM style.

The same project still works under 9.0 SP2. I guess I will have to pad my ROM to 16k or slice it into 3 x 4k blocks if I don't want to declare it explicitely?