E-Tile Transceiver PHY User Guide

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

8.10. Inverting RX Polarity for the PMA Driver

This procedure inverts the RX polarity.
  1. Write 0x84[7:0] = 0x10.
  2. Write 0x85[7:0] = 0x03.
  3. Write 0x86[7:0] = 0x13.
  4. Write 0x87[7:0] = 0x00.
  5. Write 0x90[0] = 1'b1.
  6. Read 0x8A[7]. It should be 1.
  7. Read 0x8B[0] until it changes to 0.
  8. Write 0x8A[7] to 1 to clear the 0x8A[7] flag.

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