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Altera_Forum's avatar
Altera_Forum
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8 years ago

Using SignalTap to capture high rate clocks?

Hello, I would to know how accurate SignalTap is when capturing signals such as an 80-Mhz clock from a pll that is used to drive logic? When I view such a signal I see a non 50-percent duty cycle clo...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
8 years ago

It's not entirely clear what you are saying. Are you saying you are trying to capture signals that are asynchronous to the 80 Mhz SignalTap clock. If so, then yes, there will be issues. But if you are capturing signals for registers driven by that clock, then it should not be a problem.