Intel® Arria® 10 Transceiver PHY User Guide

ID 683617
Date 9/15/2023
Public
Document Table of Contents
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6.12.1. Changing VOD, Pre-emphasis Using Direct Reconfiguration Flow

  1. Perform the necessary steps from steps 1 to 7 in Steps to Perform Dynamic Reconfiguration.
  2. Read from the PMA analog feature address of the channel you want to change. For example, to change pre-emphasis 1st post-tap, read and store the value of address 0x105.
  3. Select a valid value for the feature according to the Arria® 10 register map. For example, a valid setting for pre-emphasis 1st post-tap has a bit encoding of 5'b00001.
  4. Perform a read-modify-write to the address of the PMA analog feature using the valid value. For example, to change the pre-emphasis 1st post-tap, write 5'b00001 to address 0x105.
  5. Perform the necessary steps from steps 9 to 12 in Steps to Perform Dynamic Reconfiguration.
Table 274.  Register Map for PMA Analog Feature
PMA Analog Feature Address Bit Values
Pre-emphasis 1st post-tap