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mvkk
New Contributor
New Contributorcreate clock on combo logic output
Hi,
I need to create clock definition on combo logic output. What is the way to do clock definition?
I tried to add LCELL on the combo gate output and tried creating clock on LCELL.out pin. How...
FvM
Super Contributor
Super ContributorHello,
although it's generally bad design practice and typically causes problems in timing closure, it's basically possible to feed a register clock port from a LCELL output. It's however not possible to feed e.g. a PLL input. What are you exactly trying to achieve?
Regards
Frank
