F-Tile Architecture and PMA and FEC Direct PHY IP User Guide

ID 683872
Date 9/29/2025
Public
Document Table of Contents

A.6.1.2.3. FGT Media Selection

FGT media selection applies to both NRZ and PAM4 modes. The very short reach (VSR) mode is set when insertion loss <= 10 dB.
  • set_instance_assignment -name HSSI_PARAMETER "vsr_mode=VSR_MODE_LOW_LOSS" -to <RX_SERIAL_PIN> -entity <TOP_LEVEL_NAME>
  • For other insertion loss ranges:
    set_instance_assignment -name HSSI_PARAMETER "vsr_mode=VSR_MODE_DISABLE" -to <RX_SERIAL_PIN> -entity <TOP_LEVEL_NAME> 
    or select in the Quartus® Prime IP Parameter Editor.