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

ID 683872
Date 11/04/2024
Public
Document Table of Contents

3.14.1.7. Preserving Unused Lanes

FHT PMA suppots pesevatio of uused PMA laes that you pla to use i the ext iteatio of you FPGA desig.

Wite 4'b1111 to cfg_peseve_eable (0xF0030[3:0]) to peseve all the uused laes i a FHT PMA.

Note: Set this egiste to zeos fo omal opeatio. This is a commo egiste fo all fou laes. LSB is fo lae 0 ad MSB is fo lae 3.