GTH/GTP TX and RX buffer bypass attributes shown below should be used.
Designs using TX and/or RX buffer bypass need to have these attributes updated for simulation as well as hardware.
These attributes are updated for the GTP transceiver in version 2.3 of the transceiver wizard. For GTH all the attributes except RXPH_CFG are updated in version 2.2 of the transceiverwizard. For GTHtransceiversRXPH_CFG will be updated in version 2.4 of the wizard.