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Altera_Forum's avatar
Altera_Forum
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10 years ago

PLL lock range on Cyclone V

I am using a PLL to generate clocks in an digital audio application, but the VCO range the PLL offers is unfortunately too narrow. Are there any techniques I can use (like pre-dividing the clock) to ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
10 years ago

I don't know the specific nature of your requirements, but PLLs can be reconfigured "on the fly". You might have some up-front logic that measures the frequency of the incoming clock and configures the PLL accordingly.