Why doesn’t reverse serial loopback work on transceiver channels configured in GXT mode on Intel® Stratix® 10 devices?

Description

Pre-CDR, and Post-CDR reverse serial loopback is not supported for transceiver channels configured in GXT mode on Intel Stratix 10 devices.

Resolution

This information will be added to a future revision of the Intel Stratix 10 L- and H-Tile Transceiver PHY User Guide.