Forum Discussion
roeekalinsky
Contributor
ContributorOptimal frequency selection for IOPLL's VCO: minimize or maximize?
Is best IOPLL performance obtained by minimizing the VCO frequency, or maximizing it?
The IOPLL IP generator GUI appears to be confused on this issue, at least for Stratix 10. It describes one thin...
Ash_R_Altera
Regular Contributor
Regular ContributorHi,
The decision to select VCO frequency by the user can be based on the following statement:
"The smallest phase shift is determined by the VCO period divided by eight (for I/O PLL)."
Reference: https://www.intel.com/content/www/us/en/programmable/documentation/mcn1440569668630.html#fnsrc_4
Regards
