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Altera_Forum
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15 years ago

What is free running clock?

Hi i came across the free running clock in the PCI Express Userguide. Based on the words, i thought it is a clock that can run with any frequency. However, in the userguide(page 151), it sta...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

Hello woeichee,

I always believed a free-running clock is a clock that will not stop running, i.e. a clock that will always be toggling as long as you want functionality of the transceivers. Please let me know if you have any questions.

Thanks,

Ben