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Altera_Forum
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8 years ago

Asynchronous reset and synchronizers

Hello, I'm looking for the proper way to constrain an asynchronous reset path, with a reset synchronizer. The Quartus Standard (and Pro) handbook touches this subject but barely, in the recomme...
Altera_Forum's avatar
Altera_Forum
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8 years ago

Just to add - remember that all of the registers in Altera fabric have asynchronous resets on the regsiters, which is why this is the recommended way to do a reset. Synchronous resets are only emulated, unlike xilinx where all resets are synchronous.

Another tip is to only reset those that need it rather than all of them, as this can help the fanout and reduce routing resources.