The positive differential clock input pin (ends with _P) and negative differential clock input pin (ends with _N) are used as the GT reference clock. The set_property XDC command is used to constrain the location of the GT reference clock pins.
The positive differential clock input pin (ends with _P) and negative differential clock input pin (ends with _N) are used as the GT reference clock. The set_property XDC command is used to constrain the location of the GT reference clock pins.