SPRUJ12F August   2021  – January 2024 AM2431 , AM2432 , AM2434

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Preface: Read This First
    1. 1.1 If You Need Assistance
    2. 1.2 Important Usage Notes
  5. 2Kit Overview
    1. 2.1 Kit Contents
    2. 2.2 Key Features
    3. 2.3 Component Identification
    4. 2.4 BoosterPacks
    5. 2.5 Compliance
    6. 2.6 Security
  6. 3Board Setup
    1. 3.1 Power Requirements
      1. 3.1.1 Power Input Using USB Type-C Connector
      2. 3.1.2 Power Status LED's
      3. 3.1.3 Power Tree
      4. 3.1.4 Power Sequence
    2. 3.2 Push Buttons
    3. 3.3 Boot Mode Selection
  7. 4Hardware Description
    1. 4.1  Functional Block Diagram
    2. 4.2  BoosterPack Headers
      1. 4.2.1 Pinmux for BoosterPack
    3. 4.3  GPIO Mapping
    4. 4.4  Reset
    5. 4.5  Clock
    6. 4.6  Memory Interface
      1. 4.6.1 QSPI Interface
      2. 4.6.2 Board ID EEPROM
    7. 4.7  Ethernet Interface
      1. 4.7.1 Ethernet PHY Strapping
      2. 4.7.2 Ethernet PHY - Power, Clock, Reset, Interrupt
      3. 4.7.3 LED indication in Ethernet RJ45 Connector
    8. 4.8  USB 2.0 Interface
    9. 4.9  I2C Interface
    10. 4.10 Industrial Application LEDs
    11. 4.11 UART Interface
    12. 4.12 eQEP Interface
    13. 4.13 CAN Interface
    14. 4.14 FSI Interface
    15. 4.15 JTAG Emulation
    16. 4.16 Test Automation Interface
    17. 4.17 SPI Interface
  8. 5References
    1. 5.1 Reference Documents
    2. 5.2 Other TI Components Used in This Design
  9.   A E3 Design Changes
  10.   B Revision A Design Changes
  11.   Revision History

1.2 Important Usage Notes

Note: The AM243x LaunchPad requires a 5 V, 3A power supply in order to function. While a USB type-C cable is included, A 5 V, 3A power supply is not included in the kit and must be ordered separately. The Belkin USB-C Wall Charger is known to work with the LaunchPad and the supplied type-C cable. For more information on power requirements go to Section 3.1. If there is an error in the power input then the red LED (LD9) will glow continuously. For more information about the power status LED's, see Section 3.1.2.
Note: The JTAG connection through the micro-B USB port needs to be made after power is supplied to the LaunchPad by the USB type-C connection. The JTAG may not connect if the micro-B USB connection is made before the 5 V, 3A connection is made. For more information on JTAG emulation go to Section 4.15 .
Note: For E1 and E2 revisions of the AM243x LaunchPad, some output signals are not able to propagate to the BoosterPack headers. Any pinmux configuration that is an output signal for balls R21, T19, U18, U20, V20 of the SoC will be gated by the isolation buffer U32 because the DIR pin of the buffer is low (only allowing data transfer from side B to A). The signals that not able to propagate to the BoosterPack headers include: UART2_RTSn, EHRPWM2_A, EHRPWM2_B, as well as any GPIO signals on the listed pins.