E-Tile Transceiver PHY User Guide

ID 683723
Date 9/30/2022
Document Table of Contents

3.1.7. Loopback modes

Loopback modes are DFT features used to verify different blocks of the transceiver PMA.

E-tile transceivers have loopback modes to debug different blocks of the transceiver. E-tile transceivers support the following loopback modes:

  • Internal serial loopback
  • Reverse parallel loopback

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