Intel: I have reconfigured the IO PLL on Arria® 10, but it may be out of phase. Please tell me what to do.

Arria Clock/PLL

Category: Clock/PLL
tool:-
Device: Arria® 10

After reconfiguring the IO PLL, be sure to assert areset to reset the PLL.
Please also refer to the following documents.

(Reference) AN 728: I/O PLL Reconfiguration and Dynamic Phase Shift for Intel® Arria® 10 and Intel Cyclone® 10 GX Devices
https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/an/an728.pdf
(search for Resetting the PLL)

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