Intel® Cyclone® 10 GX Transceiver PHY User Guide

ID 683054
Date 4/14/2023
Document Table of Contents

8.10. Unused Transceiver Channels Settings

Add the following Intel® Cyclone® 10 GX QSF assignments for RX pins to prevent performance degradation of unused receiver serial clocks over time. You can either use a global assignment or per-pin assignments. For per-pin assignments, you can specify a true or a complement RX pin.


set_global_assignment -name PRESERVE_UNUSED_XCVR_CHANNEL ON

set_instance_assignment -name PRESERVE_UNUSED_XCVR_CHANNEL ON -to <pin name (AF26, for example)>