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Altera_Forum's avatar
Altera_Forum
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16 years ago

Generated Clocks using TimeQuest

I couldn't find a specific constraints area on the forum so I hope I'm in the right place. I have two clocks that are generated by outputs of a counter. The counter is clocked at 100MHz, a...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

Is there any reason why you are using a counter instead of a pll or clock enables? A counter isn't recommended for that purpose...

Do you have any warnings before about the clocks CLOCK25M and CLOCK12M? If for one reason or another Timequest can't find the register you indicate, it won't create the clock.