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Altera_Forum
Honored Contributor
9 years agoTimequest relating an external clock input to a virtual clock
Hello, I am having an understanding issue, and I am hoping for help. I have checked out Joe Martin's TimingClosureFieldguide, and Altera's TimeQuest Timing Analyzer Cookbook, and Ryan Scoville's Time...
Altera_Forum
Honored Contributor
9 years agoThe simple answer is that any physical clock(like clockA in your case) is same phase as virtual clock by defaultand both start a zero phase. If you want to change its phase then apply -waveform to clockA