Intel® Cyclone® 10 GX Transceiver PHY User Guide

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

8.8.1. XCVR_C10_TX_VOD_OUTPUT_SWING_CTRL

Pin planner or Assignment Editor Name

Transmitter Output Swing Level

Description

Controls the transmitter programmable output differential voltage swing. The default value is 31.

Note: Ignore this assignment for PCIe Gen1 and Gen2 if your transceiver link is within the PCI Express spec requirements. The Quartus Prime software assigns default value for this parameter.
Table 248.  Available Options

Value

Description

0 – 31

Magnitude 0 – 31

Note: Refer to Cyclone® 10 GX Pre-Emphasis and Output Swing Settings spreadsheet for selecting legal pre-emphasis and differential output voltage settings.

Assign To

TX serial data pin.

Syntax

set_instance_assignment -name XCVR_C10_TX_VOD_OUTPUT_SWING_CTRL <value> -to <tx_serial_data pin name>