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

Timequest and ripple clocks ... how to set up?

I have a set of ripple clocks. Yes, I know, don't do that, but we seem to get a decent power savings vs enables. Now, I hope I'm not insane. I have a main global clock at 320MHz coming off th...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

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I'm a bit surprised the clock enables are that much worse. If you used enables, you would have one global clock line toggling at 320MHz and then a lot of logic that gets enabled/disabled.

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Whoa, but won't I have to specify multicycle setup and holds for every single path on those enabled clocks? That's going to be a nightmare for 32+ divided down clocks, no?