E-Tile Transceiver PHY User Guide

ID 683723
Date 7/08/2024
Public
Document Table of Contents

2.2.2.2. TX PMA Pre-equalization

Table 15.  TX PMA Pre-equalization
Parameter Value Description
Attenuation Value (VOD) 0 to +26 This is the range of attenuation (VOD).
Pre-tap 1 -10 to +10 This is the range of the first pre-tap pre-emphasis. Only even values are allowed.
Pre-tap 2 -15 to +15 This is the range of the second pre-tap pre-emphasis for both NRZ and PAM4 modes.
Pre-tap 3 -1 to +1 This is the range of the third pre-tap pre-emphasis for both NRZ and PAM4 modes.
Post-tap 1 -18 to +18 This is the range of the post-tap pre-emphasis. Only even values are allowed.
Use default TX PMA pre-equalization settings On/Off When enabled, the TX PMA pre-equalization settings are configured using Intel-specified default settings. When disabled, you must manually configure the TX PMA pre-equalization settings. Refer to the TX Equalizer section for more details.