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  • Jacinto7 EVM Quad Port Ethernet Expansion Board User’s Guide

    • SPRUJ74 January   2023

       

  • CONTENTS
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  • Jacinto7 EVM Quad Port Ethernet Expansion Board User’s Guide
  1.   Trademarks
  2. 1Introduction
    1. 1.1 Key Features
    2. 1.2 Thermal Compliance
    3. 1.3 EMC, EMI, and ESD Compliance
  3. 2QP-ENET Board Identification and Installation
    1. 2.1 QP-ENET Board Component Identification
    2. 2.2 Interfacing QP-ENET Expansion Board with J784S4XG01EVM Board
      1. 2.2.1 Detailed Board Assembly Procedure (J784S4XG01EVM)
  4. 3QP-ENET Expansion Board Hardware Architecture
    1. 3.1 QP-ENET Expansion Board Hardware Top Level Diagram
    2. 3.2 Expansion Connectors
    3. 3.3 Board ID EEPROM
    4. 3.4 Ethernet Interface
      1. 3.4.1 Quad Port SGMII PHY Default Configuration
      2. 3.4.2 SGMII Clocking Scheme
        1. 3.4.2.1 Main Clock
        2. 3.4.2.2 Optional Clock
      3. 3.4.3 Ethernet Port LED Indication
      4. 3.4.4 Reset and Power-down Signals
  5. 4Revision History
  6.   A Appendix
    1.     A.1 Appendix – I (Interface Mapping)
    2.     A.2 Appendix – II (QP-ENET Board GPIO Mapping)
  7. IMPORTANT NOTICE
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USER'S GUIDE

Jacinto7 EVM Quad Port Ethernet Expansion Board User’s Guide

Trademarks

All trademarks are the property of their respective owners.

1 Introduction

The Jacinto7 EVMs are development and evaluation systems that enable developers to write software and develop hardware around the Jacinto7 family of processors. The main elements of the system are available on the EVM system itself. This gives developers the basic resources needed for most general-purpose type projects that encompass the Jacinto7 processor.

Beyond the basic resources provided, additional functionality can be added via expansion cards.

This Technical User’s Guide describes the hardware architecture of the Jacinto7 EVM – Quad Port Ethernet Expansion board (QP-ENET), which is interfaced with J7 EVM boards through Serial Ethernet Expansion Connector.

1.1 Key Features

Key features of QP-ENET:

  • Ethernet
    • 4x 10/100/1000Mbps - SGMII ports (VSC8514XMK-11)
  • Board ID EEPROM
  • Programmable Clock Generator

The orderable part number is provided in the table below:

Jacinto7 EVM Add-on Module
Quad Port Ethernet Expansion J721EXENETXPANEVM

1.2 Thermal Compliance

There is elevated heat on the processor/heatsink: use caution, particularly at elevated ambient temperatures. Although the processor/heatsink is not a burn hazard, caution should be used when handling the EVM due to increased heat in the area of the heatsink.

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