Arria® 10 Transceiver PHY User Guide

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

8.5.1.3. XCVR_A10_RX_ADP_CTLE_ACGAIN_4S

Pin planner or Assignment Editor Name

Receiver High Gain Mode Equalizer AC Gain Control

Description

Controls the AC gain of the continuous time linear equalizer (CTLE) in high gain mode.

Arria 10 transceivers support two CTLE modes, high gain mode and high data rate mode. As a default, high data rate mode is enabled for data rates up to 25.8 Gbps. High gain mode can be enabled for datarate less than or equal to 17.4Gbps Higher gain setting results in larger AC gain.

he default value for PCIe* Gen3 is RADP_CTLE_ACGAIN_4S_7.

For all the other cases, the default value is RADP_CTLE_ACGAIN_4S_1.

Table 311.  Available Options

Value

Description

RADP_CTLE_ACGAIN_4S_<0 to 28>

CTLE AC gain setting <0 to 28>

Assign To

RX serial data pin.

Syntax

set_instance_assignment -name XCVR_A10_RX_ADP_CTLE_ACGAIN_4S <value> -to <rx_serial_data pin name>