E-Tile Transceiver PHY User Guide

ID 683723
Date 4/01/2024
Document Table of Contents Updating PMA Analog Parameters

To write a new value to an analog parameter for the RX adaptation to use as the starting value:

  1. Use attribute code 0x002C to read the parameter value.
  2. Use attribute code 0x006C to enter the new value on {0x85[7:0],0x84[7:0]} as a two's complement number.

The analog parameter written is determined by the last previous analog parameter read. Registers {0x89[7:0],0x88[7:0]} return 0x002C to indicate that the update was successful.