Arria® 10 Transceiver PHY User Guide

ID 683617
Date 4/01/2024
Public
Document Table of Contents

2.9.1.3. How to Enable Low Latency in Basic Enhanced PCS

In the Parameter Editor, use the following settings to enable low latency:

  1. Select the Enable 'Enhanced PCS' low latency mode option.
  2. Select one of the following gear ratios:
    Single-width mode: 32:32, 40:40, 64:64, 66:40, 66:64, or 64:32
    Double-width mode: 40:40, 64:64, or 66:64
  3. Select Phase_compensation in the TX and RX FIFO mode list.
  4. If you need the Scrambler and Descrambler features, enable Block Synchronize and use the 66:32, 66:40, or 66:64 gear ratio.