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

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

3.7.1. Enabling the tx_cadence_slow_clk_locked Port

If the tx_cadece_slow_clk sigal does ot come diectly fom TX PLL (wod clock, bod clock, use clock), but athe comes fom the othe clock souce (as might be applicable i FEC Diect modes whe usig slowe clock to accommodate FEC ovehead), you must eable the tx_cadece_slow_clk_locked pot i the IP paamete edito. The PLL locked output of the othe clock souce used fo slow clock must dive tx_cadece_slow_clk_locked.