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

3.1 Power Requirements

The AM243x LaunchPad is powered from a 5 V, 3 A USB type-C input. The following sections describe the power distribution network topology that supply the AM243x LaunchPad, supporting components and the reference voltages.

Power supply solutions that are compatible with the AM243x LaunchPad:

  • When using the USB type-C input:
    • 5 V, 3 A power adapter with USB-C receptacle
    • 5 V, 3 A power adapter with captive USB-C cable
    • PC USB type-C port that has Power Delivery classification
      • Thunderbolt
      • Battery behind USB logo

GUID-20221229-SS0I-BW07-4NQG-VT5PQGBW7HKT-low.png Figure 3-1 USB Type-C Power Delivery Classification

Power supply solutions that are NOT compatible with the AM243x LaunchPad:

  • When using USB type-C input:
    • Any USB adapter cables such as:
      • Type-A to type-C
      • micro-B to type-C
      • DC barrel jack to type-C
    • 5 V, 1.5 A power adapter with USB-C captive cable or receptacle
    • PC USB type-C port not capable of 3 A