SPAU024 April   2025 AM2612

 

  1.   1
  2.   Description
  3.   Get Started
  4.   Features
  5.   5
  6. 1Evaluation Module Overview
    1. 1.1 Introduction
      1.      Preface: Read This First
        1. 1.1.1.1 Sitara MCU+ Academy
        2. 1.1.1.2 Important Usage Notes
    2. 1.2 Kit Contents
    3. 1.3 Specification
      1. 1.3.1 Component Identification
      2. 1.3.2 Functional Block Diagram
    4. 1.4 Device Information
  7. 2Hardware
    1. 2.1  Setup
      1. 2.1.1 Configuration 1: Standalone Configuration
      2. 2.1.2 Configuration 2: AM26x controlCARD Backward Compatibility Configuration
      3. 2.1.3 Configuration 3: Baseboard Configuration
    2. 2.2  Power Requirements
      1. 2.2.1 Power Tree
      2. 2.2.2 Power Sequence
      3. 2.2.3 Power Status LEDs
      4. 2.2.4 PMIC
    3. 2.3  Header Information
      1. 2.3.1 Baseboard Headers (J1, J2, J3)
      2. 2.3.2 XDS Debug Header (J4)
      3. 2.3.3 MIPI-60 Header (J5)
    4. 2.4  Push Buttons
    5. 2.5  Reset
    6. 2.6  Clock
    7. 2.7  Boot Mode Selection
    8. 2.8  GPIO Mapping
    9. 2.9  Interfaces
      1. 2.9.1 Memory Interface
        1. 2.9.1.1 OSPI
        2. 2.9.1.2 Board ID EEPROM
      2. 2.9.2 I2C
      3. 2.9.3 SPI
      4. 2.9.4 UART
      5. 2.9.5 JTAG
      6. 2.9.6 TRACE
      7. 2.9.7 ADC and DAC
      8. 2.9.8 Off-SOM Peripherals
        1. 2.9.8.1 MCAN
        2. 2.9.8.2 LIN
        3. 2.9.8.3 FSI
        4. 2.9.8.4 USB
        5. 2.9.8.5 Ethernet
          1. 2.9.8.5.1 RGMII
          2. 2.9.8.5.2 PRU-ICSS
    10. 2.10 Test Points
    11. 2.11 Best Practices
  8. 3Software
  9. 4Hardware Design Files
  10. 5Additional Information
    1. 5.1 Trademarks
  11. 6References

2.2.3 Power Status LEDs

Multiple power-indication LEDs are provided on-board to indicate to users the output status of major supplies. The LEDs indicate power across various domains as shown in the table below.

Table 2-3 Power Status LEDs
Name Default Status Operation Function
D2 OFF USER_LED0 User Programmable Red LED
D3 OFF USER_LED1 User Programmable Green LED
D4 OFF 1V8_LDO4 Power indicator for PMIC LDO 1.8V supply
D5 ON VMAIN_5V0 Power indicator for system 5V input supply
D6 ON VSYS_3V3_LDO1 Power indicator for primary PMIC LDO 3.3V supply
D7 ON 3V3_LDO2 Power indicator for secondary PMIC LDO 3.3V supply
D8 OFF 5V0_LDO3 Power indicator for PMIC LDO 5.0V supply
D9 OFF SAFETY_ERROR Safety error output status pin from AM261x
D10 OFF PMIC_SAFE_OUT2 Safety Error indicator output from PMIC
AM261-SOM-EVM Power Status LEDs Figure 2-6 Power Status LEDs