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 – II (QP-ENET Board GPIO Mapping)

QP-ENET GPIO Mapping is shown in the following table.

Table 5-2 QP-ENET GPIO Mapping
QP-ENET Peripheral Peripheral IO Direction (for SoC) Default Active State J721EXSOMG01EVM Connectivity J7200XSOMG01EVM Connectivity J784S4XG01EVM Connectivity
SGMII Port 0, Port1 Port 2 & Port3 Interrupt Input PU Active Low GPIO1_22 GPIO0_4

WKUP_GPIO0_84,

WKUP_GPIO0_85

Power Down Output PU Active High I2C GPIO EXPANDER2(U31.P20, I2C0) I2C GPIO EXPANDER2(U31.P20, I2C0) I2C GPIO EXPANDER2(U173.P20, I2C0)
Reset Output PD Active Low I2C GPIO EXPANDER2(U31.P21, I2C0) I2C GPIO EXPANDER2(U31.P21, I2C0)

I2C GPIO EXPANDER2(U173.P20, I2C0),

I2C GPIO EXPANDER2(U173.P11, I2C0)

I2C MUX select Output PD Select Signal I2C GPIO EXPANDER2(U31.P22, I2C0) I2C GPIO EXPANDER2(U31.P22, I2C0)

I2C GPIO EXPANDER2(U173.P22, I2C0),

I2C GPIO EXPANDER2(U173.P01, I2C0)

Spare GPIO Input/ Output NA NA I2C GPIO EXPANDER2(U31.P23, I2C0) I2C GPIO EXPANDER2(U31.P23, I2C0)

I2C GPIO EXPANDER2(U173.P23, I2C0),

I2C GPIO EXPANDER2(U173.P12, I2C0),