L- and H-Tile Transceiver PHY User Guide

ID 683621
Date 7/20/2022
Public
Document Table of Contents

2.4.2.8.1. Transmitter Bit Reversal

You can enable the TX bit reversal feature in Basic/Custom (Standard PCS), Basic/Custom w/ Rate Match (Standard PCS) and in Standard PCS low latency mode.

This feature is parameter-based, and creates no additional ports. If there is more than one channel in the design, all channels have TX bit reversal. To enable TX bit reversal, select the Enable TX bit reversal option in the Native PHY IP core.

Figure 77. TX Bit Reversal

You can implement soft logic to perform bit reversal for the Enhanced PCS.

Refer to the 8B/10B Encoder Bit Reversal Feature section for more information.

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