Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

Clock group vs. clock false path

I have a couple of clocks coming in that are not related to each other. Before I put them in a group, I ran TimeQuest and it was complaining about some setup slack violation. I know I should have u...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

Er.. you sound like you're making a bad generalization.

You can(should) use set_clock_groups to tell TimeQuest about unrelated (asynchronous) or exclusive (that are not active at the same time).

You must not use it to lie to TimeQuest, telling it that some clocks are unrelated when they are actually related.