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

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

4.5. Guidelines for Refclk #i is Active At and After Device Configuration

The Refclk #i is active at ad afte device cofiguatio set as Off featue is oly suppoted by Agilex™ 7 F-Tile devices metioed i Appedix A.1 . I desigs that taget othe OPN devices, you must set the Refclk #i is active at ad afte device cofiguatio to O, ad you must povide stable efeece clocks fo the system PLLs ad FGT at ad afte device cofiguatio time.

I additio, if the Refclk #i is ot available ad stable at device powe-up, you must set the Refclk #i is active at ad afte device cofiguatio paamete to OFF.