SPRUJG3 March   2025

 

  1.   1
  2.   Description
  3.   Features
  4.   4
  5. 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
    4. 1.4 Device Information
      1. 1.4.1 HSEC 180-pin Control Card Docking Station
      2. 1.4.2 Security
  6. 2Hardware
    1. 2.1  Power Requirements
      1. 2.1.1 Power Input Using USB Type-C Connector
      2. 2.1.2 Power Status LEDs
      3. 2.1.3 Power Tree
      4. 2.1.4 Power Sequence
      5. 2.1.5 PMIC
    2. 2.2  Functional Block Diagram
    3. 2.3  Reset
    4. 2.4  Clock
    5. 2.5  Boot Mode Selection
    6. 2.6  JTAG Path Selection
    7. 2.7  Header Information
    8. 2.8  GPIO Mapping
    9. 2.9  Push Buttons
    10. 2.10 Interfaces
      1. 2.10.1  Memory Interface
        1. 2.10.1.1 OSPI
        2. 2.10.1.2 Board ID EEPROM
      2. 2.10.2  Ethernet Interface
        1. 2.10.2.1 Control Card Ethernet Routing
        2. 2.10.2.2 On Board Ethernet PHY
        3. 2.10.2.3 LED Indication in RJ45 Connector
        4. 2.10.2.4 Ethernet Add On Board Connector
      3. 2.10.3  I2C
      4. 2.10.4  Industrial Application LEDs
      5. 2.10.5  SPI
      6. 2.10.6  UART
      7. 2.10.7  MCAN
      8. 2.10.8  FSI
      9. 2.10.9  JTAG
      10. 2.10.10 Test Automation Header
      11. 2.10.11 LIN
      12. 2.10.12 MMC
      13. 2.10.13 ADC and DAC
    11. 2.11 HSEC Pinout and Pinmux Mapping
  7. 3Hardware Design Files
  8. 4Additional Information
    1. 4.1 If You Need Assistance
    2. 4.2 Trademarks
  9. 5Related Documentation
    1. 5.1 Supplemental Content
      1.      5.1.A E2 Design Changes
      2.      5.1.B A Design Changes
  10. 6References
    1. 6.1 Reference Documents
    2. 6.2 Other TI Components Used in This Design
  11. 7Revision History

2.8 GPIO Mapping

Table 2-12 GPIO Mapping Table
SI No. GPIO Description GPIO Pin Name Functionality Net Name Active Status
1 Interrupt To SoC GPIO21 LIN2_RXD Interrupt SOC_INTn LOW
2 Interrupt To Ethernet PHY connector GPIO67 EPWM12_A Interrupt ICSSM2_PWDN/INTn LOW
3 User Defined LED GPIO58 EPWM7_B GPIO USER_LED1 PREFERABLE
4 Interrupt on-board ethernet PHY GPIO68 EPWM12_B Interrupt ICSSM1_INT LOW
5 User Defined LED GPIO22 LIN2_TXD GPIO USER_LED0 PREFERABLE
8 Reset input to on-board ethernet PHY GPIO35 RGMII1_TXC Reset GPIO_ICSSM1_RST LOW
9 Reset input to ethernet connector GPIO36 RGMII1_TX_CTL Reset GPIO_ICSSM2_RST LOW
10 Interrupt to SoC from PMIC GPIO29 RGMII1_RXC Interrupt PMIC_INTn LOW
11 Select for OSPI/QSPI Mux GPIO37 RGMII1_TD0 MUX SEL OSPI/QSPI_MUX_SEL PREFERABLE
IO Expander 01
12 Reset input to OSPI P00 Reset GPIO_OSPI_RSTn LOW
13 Enable control to clock buffer P01 Enable CLK_BUF_EN HIGH
14 Select line for ICSS MII1 HSEC Mux P02 Mux Selection ICSSM1_MUX_SEL SW16
15 Select line for ICSS on-board PHY/ P03 Mux Selection ICSSM2_MUX_SEL SW15
16 Select line for OSPI and HSEC UART P04 Mux Selection FSI_MUX_SEL PREFERABLE
17 Select line for ADC MUX P05 Mux Selection ADC3_MUX_SEL PREFERABLE
18 Select line for ADC MUX P06 Mux Selection ADC4_MUX_SEL PREFERABLE
19 Enable control to SD load switch P07 Load SW Enable GPIO_uSD_PWR_EN High
20 Select line for ADC MUX P10 Mux Selection ADC5_MUX_SEL PREFERABLE
21 Select line for I2C0 MUX P11 Mux Selection I2C0_MUX_SEL PREFERABLE
22 Select line for SPI1 MUX P12 Mux Selection SPI1_MUX_SEL PREFERABLE
23 Select line for UART2 MUX P13 Mux Selection UART2_MUX_SEL PREFERABLE
24 Enable control to 1.7V LDO P14 LDO Enable VPP_LDO_EN PREFERABLE
25 Select line for LIN/UART MUX P15 Mux Selection LIN_MUX_SEL PREFERABLE
26 Select line for ADC MUX P16 Mux Selection ADC1_MUX_SEL PREFERABLE
27 Select line for ADC MUX P17 Mux Selection ADC2_MUX_SEL PREFERABLE
28 HSEC GPIO P20 GPIO HSEC_GPIO PREFERABLE
29 Standby signal for MCAN Transceiver P21 MCAN Standby MCAN1_STB High
30 MDIO Signal selection for on-board PHY P22 Mux Selection MDIO/MDC_MUX_SEL1 High
31 MDIO signal selection for Ethernet add on board P23 Mux Selection MDIO/MDC_MUX_SEL2 High
32 Select line for ICSS MII0 HSEC Mux P24 Mux Selection ICSSM0_MUX_SEL SW14