SPRUJ74 January   2023

 

  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)

Appendix – I (Interface Mapping)

J721EXSOMG01EVM, J7200XSOMG01EVM, and J784S4XG01EVM Interface Mapping on QP-ENET Expansion is provided in the following table.

Table 5-1 Interface Mapping
QP-ENET Peripheral QP-ENET Interface J721EXSOMG01EVM Connectivity J7200XSOMG01EVM Connectivity J784S4XG01EVM Connectivity
SGMII(U2) SERDES Signals SERDES0_TX/RX1 Port SERDES0_TX/RX2 Port

SERDES2_TX/RX2 on ENET Conn1 ,

SERDES2_TX/RX3 on ENET Conn2

MDIO Signals MDIO0 MDIO0 MDIO1
Board ID EEPROM (U6) Configuration I2C WKUP_I2C0 WKUP_I2C0 WKUP_I2C0
CLOCK GENERATOR(U4) Configuration I2C I2C0 I2C0 I2C0