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Altera_Forum's avatar
Altera_Forum
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10 years ago

PowePlay. I/O power and core static power

I'm trying to understand how PowerPlay works. I use Quartus 10.1 sp1. I have two projects (A and B) that execute exactly the same task. These projects are implemented on the same F...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
10 years ago

For the static power, my experience is when you have more logic utilization, the static power will increase. The static power is something that does not depend on toggle rate but rather the utilization. The number of FFs in B is much more than A, thus it is expected to have higher static core power in B.

As for the IO power, generally it should not depend on core logic utilization. Just wonder if you have a chance to look into if there is any difference in IO settings?