SPRUJF7 March   2025

 

  1.   1
  2.   Description
  3.   Get Started
  4.   Features
  5.   5
  6. 1Evaluation Module Overview
    1. 1.1 Introduction
      1.      Preface: Read This First
      2. 1.1.1 Sitara MCU+ Academy
      3. 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  Additional Images
    2. 2.2  Setup
    3. 2.3  Power Requirements
      1. 2.3.1 Power Tree
      2. 2.3.2 Power Sequence
    4. 2.4  Header Information
      1. 2.4.1 Baseboard Headers (J1, J2, J3)
      2. 2.4.2 HSEC Pinout
      3. 2.4.3 XDS Debug Header (J4)
      4. 2.4.4 FSI Header
      5. 2.4.5 OSPI Expansion Connector
      6. 2.4.6 Ethernet Add-on Board Connector
    5. 2.5  Reset
    6. 2.6  Clock
    7. 2.7  GPIO Mapping
    8. 2.8  Interfaces
      1. 2.8.1 USB
      2. 2.8.2 UART
      3. 2.8.3 FSI
      4. 2.8.4 OSPI
      5. 2.8.5 Ethernet
        1. 2.8.5.1 RGMII
        2. 2.8.5.2 PRU-ICSS
          1. 2.8.5.2.1 On-Board PHY
          2. 2.8.5.2.2 Ethernet Add-on Board
      6. 2.8.6 I2C
      7. 2.8.7 SPI
      8. 2.8.8 TMDSHSECDOCK-AM263 Peripherals
        1. 2.8.8.1 ADC/DAC
        2. 2.8.8.2 MCAN
        3. 2.8.8.3 LIN1
        4. 2.8.8.4 JTAG
        5. 2.8.8.5 GPIO
    9. 2.9  Debug Information
    10. 2.10 Test Points
    11. 2.11 Assembly Instructions
    12. 2.12 Best Practices
  8. 3Software
  9. 4Hardware Design Files
  10. 5Additional Information
    1. 5.1 Trademarks
  11. 6References
    1. 6.1 Other TI Components Used in This Design
  12. 7Revision History

2.10 Test Points

The AM261x SOM to HSEC adapter includes multiple test points to aid in hardware debug. Table 2-20 includes a list of the test points available on the HSEC180ADAPEVM-AM2.

Table 2-20 HSEC180ADAPEVM-AM2 Test Points
Test Point Designator Test Point Net Name Description
TP1 VMAIN_5V0_IN System 5V input
TP2 3V3_LDO2 System 3.3V I/O supply. AM261x controlSOM PMIC LDO2 output
TP3 5V0_LDO3 AM261x controlSOM PMIC 5V LDO3 output
TP4 GND GND
TP5 VDDA2_1V8 DP83869 (U1) PHY 1.8V supply input for three-supply mode
TP6 PHY2_RBIAS DP83869 (U1) PHY bias resistor pin
TP7 PHY2_CLKOUT DP83869 (U1) PHY output clock
TP8 VDDA1_1V8 DP83869 (U2) PHY 1.8V supply input for three-supply mode
TP9 PHY1_RBIAS DP83869 (U2) PHY bias resistor pin
TP10 PHY1_CLKOUT DP83869 (U2) PHY output clock
TP11 EXT_VMON2 AM261x controlSOM PMIC external voltage monitor for Ethernet add-on board connector
TP12 1588_SFD IEEE 1588 SFD
TP13 VDD_ETH_2V5 2.5V Ethernet PHY power supply output
TP14 VDD_ETH_1V1 1.1V Ethernet PHY power supply output
TP15 ICSSM_MII0_COL MII0 collision detected
TP16 VBUS_MICRO_AB_5V0 USB micro-AB power distribution switch 5V output
TP17 GND GND
TP18 AM26x_VREFHI1 1.8V analog voltage reference
TP19 GND GND
TP20 ICSSM_MII0_CRS MII0 carrier sense
TP21 VDDIO_3V3 3.3V load switch output
TP22 GND GND
TP23 GND GND
TP25 MCU_PORz AM261x power-on-reset