SPRUJ51 june   2023

 

  1.   1
  2. 1Abstract
  3. 2EVM Revisions and Assembly Variants
    1. 2.1 Inside the Box
    2. 2.2 EMC, EMI and ESD Compliance
  4.   Trademarks
  5. 3System Description
    1. 3.1 Key Features
      1. 3.1.1 Processor
      2. 3.1.2 Power Supply
      3. 3.1.3 Memory
      4. 3.1.4 JTAG Emulator
      5. 3.1.5 Supported Interfaces and Peripherals
      6. 3.1.6 Expansion Connectors Headers to Support Application Specific Add On Boards
    2. 3.2 Functional Block Diagram
    3. 3.3 AM62x-Low Power SK EVM Interface Mapping
    4. 3.4 Power ON OFF Procedures
      1. 3.4.1 Power-On Procedure
      2. 3.4.2 Power-Off Procedure
      3. 3.4.3 Power Test Points
    5. 3.5 Peripheral and Major Component Description
      1. 3.5.1  Clocking
      2. 3.5.2  Reset
      3. 3.5.3  OLDI Display Interface
      4. 3.5.4  CSI Interface
      5. 3.5.5  Audio Codec Interface
      6. 3.5.6  HDMI Display Interface
      7. 3.5.7  JTAG Interface
      8. 3.5.8  Test Automation Header
      9. 3.5.9  UART Interface
      10. 3.5.10 USB Interface
        1. 3.5.10.1 USB 2.0 Type A Interface
        2. 3.5.10.2 USB 2.0 Type C Interface
      11. 3.5.11 Memory Interfaces
        1. 3.5.11.1 LPDDR4 Interface
        2. 3.5.11.2 OSPI Interface
        3. 3.5.11.3 MMC Interfaces
          1. 3.5.11.3.1 MMC0 - eMMC Interface
          2. 3.5.11.3.2 MMC1 - Micro SD Interface
          3. 3.5.11.3.3 MMC2 - M2 Key E Interface
        4. 3.5.11.4 EEPROM
      12. 3.5.12 Ethernet Interface
        1. 3.5.12.1 CPSW Ethernet PHY1 Default Configuration
        2. 3.5.12.2 CPSW Ethernet PHY2 Default Configuration
      13. 3.5.13 GPIO Port Expander
      14. 3.5.14 GPIO Mapping
      15. 3.5.15 Power
        1. 3.5.15.1 Power Requirements
        2. 3.5.15.2 Power Input
        3. 3.5.15.3 Power Supply
        4. 3.5.15.4 Power Sequencing
        5. 3.5.15.5 AM62x 17x17 SoC Power
        6. 3.5.15.6 Current Monitoring
      16. 3.5.16 AM62x-Low Power SK EVM User Setup and Configuration
        1. 3.5.16.1 EVM DIP Switches
        2. 3.5.16.2 Boot Modes
        3. 3.5.16.3 User Test LEDs
      17. 3.5.17 Expansion Headers
        1. 3.5.17.1 User Expansion Connector
        2. 3.5.17.2 MCU Connector
        3. 3.5.17.3 PRU Connector
      18. 3.5.18 Push Buttons
      19. 3.5.19 I2C Address Mapping
  6. 4Known Issues and Modifications
  7. 5Revision History
  8. 6IMPORTANT NOTICE AND DISCLAIMER

3.5.12.2 CPSW Ethernet PHY2 Default Configuration

CPSW_RGMII2 port of the AM62x 17x17 SoC is connected to DP83867 whose configuration is as given below.

Table 3-10 CPSW Ethernet PHY–2 Strap values
Strap Setting Pin Name Strap Function Mode Valueof Strap Function Description

PHY Address

RX_D2

 PHY_AD3 1 0

PHY Address: 0001
PHY_AD2 1 0

RX_D0

 PHY_AD1 2 0
PHY_AD0 2 1
Auto Negotiation RX_DV/ RX_CTRL Auto- neg 3 0 Autoneg Disabled

Modes of Operation

LED2

 RGMIIClock Skew TX[1] 5 0

RGMIITX Clock Skew is set to 0 ns
RGMIIClock Skew TX[0] 5 0

LED_1

 RGMIIClock Skew TX[2] 5 1
ANEG_SEL 1 0 advertiseability of 10/100/1000
LED_0 Mirror Enable 1 0 Mirror Enable Disabled

GPIO_1

 RGMIIClock Skew RX[2] 1 0

RGMIIRX Clock Skew is set to 2 ns
RGMIIClock Skew RX[1] 1 0
GPIO_0 RGMIIClock Skew RX[0] 1 0

The interrupts generated from two CPSW RGMII PHYs are tied together and is connected to EXTINTn pin of AM62x SoC.

LED_0is connected to RJ45 Right LED (Green) to indicate 1000MHz link (status).

LED_1is connected to RJ45 Left LED (Green) to indicate transmit/receive activity.

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