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Altera_Forum's avatar
Altera_Forum
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13 years ago

Do not understand what toggle % truly means in Quartus PowerPlay Power Analyzer

I did some reading on this topic, but have not found the answer to my question. I do not understand what the “Toggle %” means in the Quartus PowerPlay Power Analyzer report (also provided in the "Si...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

Registers? Or nets in general? This morning, we took a look at the signal activity file and found that toggle % actually corresponds to the percentage of nodes that do not remain at a constant logic "0" or logic "1" during the sample time of the simulation (.vcd file) we presented.

That said, I am not sure if the "toggle %" that can be specified in the Quartus PowerPlay Analyzer settings is the same value that appears in the *.pow.rpt Quartus outputs.