SPRUJ09D March   2022  – September 2023 AM2631 , AM2631-Q1 , AM2632 , AM2632-Q1 , AM2634 , AM2634-Q1 , AM263P4 , AM263P4-Q1

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Preface: Read This First
    1. 2.1 Sitara MCU+ Academy
    2. 2.2 If You Need Assistance
    3. 2.3 Important Usage Notes
  5. 2Control Card Overview
    1. 3.1 Kit Contents
    2. 3.2 Key Features
    3. 3.3 Component Identification
    4. 3.4 HSEC 180-pin Control Card Docking Station
    5. 3.5 Compliance
  6. 3Board Setup
    1. 4.1 Power Requirements
      1. 4.1.1 Power Input Using USB Type-C Connector
      2. 4.1.2 Power Status LEDs
      3. 4.1.3 Power Tree
      4. 4.1.4 Power Sequence
    2. 4.2 Push Buttons
    3. 4.3 Boot Mode Selection
    4. 4.4 JTAG Path Selection
  7. 4Hardware Description
    1. 5.1  Functional Block Diagram
    2. 5.2  GPIO Mapping
    3. 5.3  Reset
    4. 5.4  Clock
    5. 5.5  Memory Interface
      1. 5.5.1 QSPI
      2. 5.5.2 Board ID EEPROM
    6. 5.6  Ethernet Interface
      1. 5.6.1 RGMII
      2. 5.6.2 PRU-ICSS
      3. 5.6.3 LED Indication in RJ45 Connector
    7. 5.7  I2C
    8. 5.8  Industrial Application LEDs
    9. 5.9  SPI
    10. 5.10 UART
    11. 5.11 MCAN
    12. 5.12 FSI
    13. 5.13 JTAG
    14. 5.14 Test Automation Header
    15. 5.15 LIN
    16. 5.16 MMC
    17. 5.17 ADC and DAC
    18. 5.18 HSEC Pinout and Pinmux Mapping
  8. 5References
    1. 6.1 References
    2. 6.2 Other TI Components Used in This Design
  9.   Revision History
  10.   A E2 Design Changes
  11.   B E1 HSEC Pinout Table

4.13 JTAG

The AM263x Control Card includes an XDS110 class on-board emulator. The control card also has the option to map the JTAG signals from the AM263x SoC to the HSEC connector.

GUID-20220426-SS0I-58RC-K8FF-2VGCDHGWL3TZ-low.png Figure 4-21 JTAG

A DIP switch is used to drive the select line of a 1:2 mux (SN74CB3Q3257PWR) that determines the pathing of the AM263x SoC JTAG signals.

GUID-20211121-SS0I-5LCQ-NZ2Z-R2QJQXVVK8HH-low.png Figure 4-22 JTAG Path Switch

The Control Card includes all circuitry needed for XDS110 emulation. The emulator uses a USB 2.0 micro-B connector to interface the USB 2.0 signals that are created from the UART-USB bridge. The VBUS power from the connector is used to power the emulation circuit so that the connection to the emulator is not lost when power to the Control Card is removed.

The XDS110 controls two power status LED's. For more information refer to Power Status LED's.