L- and H-Tile Transceiver PHY User Guide

ID 683621
Date 1/30/2024
Document Table of Contents Enabling and Disabling Loopback

You can enable and disable serial loopback using the rx_seriallpbken input port that can be enabled using the RX PMA tab of the Native PHY IP Core.

Additionally, you can enable or disable serial loopback and the other loopback modes using the registers outlined in the Logical View of the L-Tile/H-Tile Transceiver Registers section.