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Altera_Forum's avatar
Altera_Forum
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8 years ago

SignalTap fails timing often

Hello, I have the following problem: When I try to use SignalTap to peek on some of my signals, it often shows values which are not sensible, which is often the result of timing violations betw...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
8 years ago

Setting a max delay constraint into the signaltap core is NOT something you should be doing. You do know the required delay, it is the clock frequency.

If it fails timing simply from the clock constraint, then there is a problem with your design, not the constraints. If you are taking signals from a different clock domain - then again, this is a design problem, not a constraint problem.