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Altera_Forum
Honored Contributor
Honored Contributorhelp on PLL input frequency
My source clock could range from 25MHz to 165MHz depending on the video format. Is there a way to ensure the PLL will lock onto it. I also need the output clock to be 90 degree shifted. I don'...
Altera_ForumHonored Contributor
Honored ContributorI have looked at the PLL lock range in the Fitter report and you're right, I see almost 1:2 lock range. Because in my design, the input ranges from 25MHz to 165MHz, that's why I need some help from your guys.
I will check the link you provided, and thank you for your comment/suggestion.
