Arria® 10 Transceiver PHY User Guide

ID 683617
Date 4/01/2024
Public
Document Table of Contents

8.8.1. XCVR_A10_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 329.  Available Options

Value

Description

0 – 31

Magnitude 0 – 31

Note: Refer to Arria 10 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_A10_TX_VOD_OUTPUT_SWING_CTRL <value> -to <tx_serial_data pin name>