SPRUJE8C December   2024  – June 2025 AM2752-Q1 , AM2754-Q1

 

  1.   1
  2.   Description
  3.   Features
  4.   4
  5. 1Evaluation Module Overview
    1. 1.1 Introduction
    2. 1.2 Preface Read This First
      1. 1.2.1 Important Usage Notes
    3. 1.3 Kit Contents
    4. 1.4 Device Information
      1. 1.4.1 Security
    5. 1.5 Audio Expansion Connectors
  6. 2Hardware
    1. 2.1  Component Identification
    2. 2.2  Power Requirements
      1. 2.2.1 Power Input Using USB Type-C Connector
      2. 2.2.2 Power Status LEDs
      3. 2.2.3 Power Tree
      4. 2.2.4 Power Sequence
      5. 2.2.5 PMIC
    3. 2.3  Reset
    4. 2.4  Clock
    5. 2.5  Boot Mode Selection
    6. 2.6  Header Information
    7. 2.7  Push Buttons
    8. 2.8  Switches
    9. 2.9  GPIO Mapping
    10. 2.10 Interfaces
      1. 2.10.1  Memory Interface
        1. 2.10.1.1 OSPI Interface
        2. 2.10.1.2 Board ID EEPROM
        3. 2.10.1.3 MMC0 Interface
        4. 2.10.1.4 HYPERRAM
      2. 2.10.2  Ethernet Interface
        1. 2.10.2.1 Ethernet Add-on Connectors
      3. 2.10.3  Audio Interfaces
        1. 2.10.3.1 Audio Clocking
        2. 2.10.3.2 McASP
        3. 2.10.3.3 MLB
      4. 2.10.4  I2C Interface
      5. 2.10.5  SPI
      6. 2.10.6  UART
      7. 2.10.7  MCAN
      8. 2.10.8  JTAG
      9. 2.10.9  USB
      10. 2.10.10 ADC
    11. 2.11 AEC Mapping
      1. 2.11.1 Audio Expansion Connector 1
      2. 2.11.2 Audio Expansion Connector 2
    12. 2.12 Test Points
  7. 3Hardware Design Files
  8. 4Additional Information
    1. 4.1 If You need Assistance
    2. 4.2 Trademarks
    3. 4.3 Rev. E2 Design Changes
  9. 5References
    1. 5.1 Reference Documents
    2. 5.2 Other TI Components Used This Design
  10. 6Revision History

2.9 GPIO Mapping

Table 2-14 GPIO Mapping Table
SI No. GPIO Description GPIO Net Name Functionality GPIO used Package Signal Name Direction With Respect to Control Default State Active State Voltage Domain ON SoC SIDE Voltage Rail Connected ON AM275x EVM
1 User_Test_LED_1 SOC_GPIO1_49 GPIO GPIO1_38 MCASP1_AXR3 OUTPUT LOW HIGH VDDSHV3 SoC_DVDD1V8
2 User_interrupt GPIO_MCU_SoC_INTn GPIO MCU_GPIO0_2 MCU_GPIO0_2 INPUT NA NA VDDSHV_MCU SoC_DVDD1V8
3 PMIC SD/DDR voltage select, and EMMC/SD FET path select VSEL_SD_SOC VOLTAGE SELECTION MCU_GPIO0_0 WKUP_TIMER_IO0 OUTPUT NA NA VDDSHV_MCU SoC_DVDD1V8
4 Push button IORET WAKE IORET_WAKE GPIO MCU_GPIO0_16 MCU_GPIO0_16 INPUT HIGH LOW VDDSHV_CANUART SOC_VDDSHV_CANUART
5 AEC conn 1 GPIO_0 AEC1_GPIO0_0 GPIO MCU_GPIO0_15 MCU_GPIO0_15 NA NA NA VDDSHV_CANUART
6 AEC conn 1 GPIO_1 AEC1_GPIO0_1 GPIO GPIO0_12 OSPI0_CSn1 NA NA NA VDDSHV1 SoC_DVDD1V8
7 For PMIC interrupt MCU_INTn Interrupt GPIO1_29 I2C1_SDA INPUT HIGH LOW VDDSHV0 SoC_DVDD1V8
8 User Interrupt GPIO1_23_INTn INTERRUPT MCU_GPIO0_1 WKUP_TIMER_IO1 INPUT HIGH LOW VDDSHV_MCU SoC_DVDD1V8
IO Expander Interrupt
9 AEC conn 2 GPIO_0 AEC2_GPIO0_0 GPIO MCU_GPIO0_4 MCU_GPIO0_4 NA NA NA VDDSHV_MCU SoC_DVDD1V8
10 AEC conn 2 GPIO_1 AEC2_GPIO0_1 GPIO MCU_GPIO0_3 MCU_GPIO0_3 NA NA NA VDDSHV_MCU SoC_DVDD1V8
IO EXPANDER-01
1 RGMII2_RST GPIO_CPSW2_RST ENABLE IO EXPANDER-P10 OUTPUT HIGH LOW VCC_3V3_SYS
2 RGMII1_RST GPIO_CPSW1_RST ENABLE IO EXPANDER-P11 OUTPUT HIGH LOW VCC_3V3_SYS
3 MMC0 FET selection MMC0_FET_EN Peripheral selection IO EXPANDER-P02 OUTPUT HIGH LOW VCC_3V3_SYS
4 McASP4 FET selection McASP4_FET_SEL Peripheral selection IO EXPANDER-P03 OUTPUT LOW HIGH VCC_3V3_SYS
5 Power Delivery I2C Interrupt Request PD_I2C_IRQ ENABLE IO EXPANDER-P05 INPUT HIGH LOW VCC_3V3_SYS
6 User Test LED 2 IO_EXP_TEST_LED GPIO IO EXPANDER-P12 OUTPUT LOW HIGH VCC_3V3_SYS
IO EXPANDER-02
1 PCM1 RESET GPIO_PCM1_RST ENABLE IO EXPANDER-P20 OUTPUT HIGH LOW VCC1V8_SYS
2 PCM2 RESET GPIO_PCM2_RST ENABLE IO EXPANDER-P22 OUTPUT HIGH LOW VCC1V8_SYS
3 Test GPIO from the XDS IC TEST_GPIO2 GPIO IO EXPANDER-P21 NA HIGH NA VCC1V8_TA
4 Audio ext refclk2 selection AUDIO_EXT_REFCLK2_S0 Clock selection IO EXPANDER-P24 OUTPUT HIGH LOW VCC1V8_SYS
5 Audio ext refclk2 selection AUDIO_EXT_REFCLK2_S1 Clock selection IO EXPANDER-P25 OUTPUT HIGH LOW VCC1V8_SYS
6 AEC 1 and 2 connector refclk selection AEC1_REFCLK_SEL Clock selection IO EXPANDER-P26 OUTPUT HIGH LOW VCC1V8_SYS
7 AEC 1 and 2 connector refclk selection AEC2_REFCLK_SEL Clock selection IO EXPANDER-P27 OUTPUT HIGH LOW VCC1V8_SYS
8 eMMC flash reset GPIO_eMMC_RSTn ENABLE IO EXPANDER-P10 OUTPUT HIGH LOW VCC1V8_SYS
9 TCAN1043A enable IO_MCAN0_EN ENABLE IO EXPANDER-P11 OUTPUT HIGH LOW VDDSHV_CANUART
10 TCAN1043A STB control IO_MCAN0_STB# MODE SELECTION IO EXPANDER-P13 OUTPUT HIGH LOW VDDSHV_CANUART
11 UART2 FET selection UART2_FET_SEL Peripheral selection IO EXPANDER-P14 OUTPUT LOW HIGH VCC1V8_SYS
12 UART3 FET selection UART3_FET_SEL Peripheral selection IO EXPANDER-P15 OUTPUT LOW HIGH VCC1V8_SYS
13 PCM6240_INT PCM1_INT_1V8 INTERRUPT IO EXPANDER-P16 INPUT NA HIGH VCC1V8_SYS
14 PCM6240_INT PCM2_INT_1V8 INTERRUPT IO EXPANDER-P17 INPUT NA HIGH VCC1V8_SYS
15 uSD interface voltage enable MMC0_SD_EN ENABLE IO EXPANDER-P03 OUTPUT HIGH LOW VCC1V8_SYS
16 VPP supply enable VPP_EN ENABLE IO EXPANDER-P04 OUTPUT LOW HIGH VCC1V8_SYS