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Altera_Forum's avatar
Altera_Forum
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16 years ago

Imported partition(QXP) Fmax question

I'm synthesizing a design using a bottom up flow where a top partition imports previously generated and exported lower partitions. However, the top level Fmax reported by Quartus is lower than the Fm...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

Yes, I checked that the "Fitter Preservation Level" is

set to "Placement and Routing".

What is LL?

What other clock routing do you mean? Does Quartus change the clock routing after importing a partition?