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Altera_Forum
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12 years ago

WADDR, WE, and DATAIN for SYSC_RAM module

I implemented a RAM in a sub-module. RAM values (an array) are filled via an initial block. However, compilation gave me three warnings, that is, "WADDR, WE, and DATAIN" of SYNC_RAM block have no dr...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

You're apparently implementing a ROM rather than a RAM.

You get the same warnings when compiling the Quartus HDL ROM templates. Obviously a weakness of ROM inference. If you instantiate altsyncram as a ROM, you don't get the warnings.