L- and H-Tile Transceiver PHY User Guide

ID 683621
Date 7/20/2022
Document Table of Contents Dedicated Reference Clock Pin Termination (XCVR_S10_REFCLK_TERM_TRISTATE)

Pin Planner or Assignment Editor Name: Dedicated Reference Clock Pin Termination

Description: Specifies if the termination for dedicated reference clock pin is tri-stated. It defaults to TRISTATE_OFF for non-HCSL cases.

Syntax for QSF Setting:

set_instance_assignment -name XCVR_S10_REFCLK_TERM_TRISTATE <value> -to <dedicated refclk pin name>

Table 140.  Available Options




Internal termination enabled and on-chip biasing circuitry enabled


Internal termination tri-stated. Off-chip termination and biasing circuitry must be implemented

Assign To

Reference clock pin.

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