SPRUJ66B February   2023  – September 2025

 

  1.   1
  2.   Description
  3.   Get Started
  4.   Features
  5.   Applications
  6.   6
  7. 1Evaluation Module Overview
    1. 1.1 Introduction
    2. 1.2 Kit Contents
    3. 1.3 Specification
      1. 1.3.1 Key Features
        1. 1.3.1.1 Processor
        2. 1.3.1.2 Memory
        3. 1.3.1.3 JTAG Emulator
        4. 1.3.1.4 Supported Interfaces and Peripherals
        5. 1.3.1.5 Expansion Connectors Headers to Support Application Specific Add On Boards
    4. 1.4 Device Information
  8. 2Hardware
    1. 2.1 EVM Revisions and Assembly Variants
    2. 2.2 System Description
      1. 2.2.1 Board Image With Markings
      2. 2.2.2 Functional Block Diagram
      3. 2.2.3 AM62A Low Power SK EVM Interface Mapping
      4. 2.2.4 Power ON/OFF Procedures
        1. 2.2.4.1 Power-On Procedure
        2. 2.2.4.2 Power-Off Procedure
        3. 2.2.4.3 Power Test Points
      5. 2.2.5 Peripheral and Major Component Description
        1. 2.2.5.1  Clocking
          1. 2.2.5.1.1 Peripheral Ref Clock
        2. 2.2.5.2  Reset
        3. 2.2.5.3  CSI Interface
        4. 2.2.5.4  Audio Codec Interface
        5. 2.2.5.5  HDMI Display Interface
        6. 2.2.5.6  JTAG Interface
        7. 2.2.5.7  Test Automation Header
        8. 2.2.5.8  UART Interface
        9. 2.2.5.9  USB Interface
          1. 2.2.5.9.1 USB 2 0 Type A Interface
          2. 2.2.5.9.2 USB 2 0 Type C Interface
        10. 2.2.5.10 Memory Interfaces
          1. 2.2.5.10.1 LPDDR4 Interface
          2. 2.2.5.10.2 Octal Serial Peripheral Interface (OSPI)
          3. 2.2.5.10.3 MMC Interfaces
            1. 2.2.5.10.3.1 MMC0 - eMMC Interface
            2. 2.2.5.10.3.2 MMC1 - Micro SD Interface
            3. 2.2.5.10.3.3 MMC2 - M.2 Key E Interface
          4. 2.2.5.10.4 Board ID EEPROM
        11. 2.2.5.11 Ethernet Interface
          1. 2.2.5.11.1 CPSW Ethernet PHY Default Configuration
        12. 2.2.5.12 GPIO Port Expander
        13. 2.2.5.13 GPIO Mapping
        14. 2.2.5.14 Power
          1. 2.2.5.14.1 Power Requirements
          2. 2.2.5.14.2 Power Input
          3. 2.2.5.14.3 Power Supply
          4. 2.2.5.14.4 AM62A SoC Power
          5. 2.2.5.14.5 Current Monitoring
        15. 2.2.5.15 AM62A Low Power SK EVM User Setup and Configuration
          1. 2.2.5.15.1 Boot Modes
          2. 2.2.5.15.2 User Test LEDs
        16. 2.2.5.16 Expansion Headers
          1. 2.2.5.16.1 User Expansion Connector
          2. 2.2.5.16.2 MCU Connector
        17. 2.2.5.17 I2C Address Mapping
  9. 3Hardware Design Files
    1. 3.1 Schematics, PCB Layout and BOM
  10. 4Additional Information
    1. 4.1 Known Hardware or Software Issues
    2. 4.2 EMC, EMI, and ESD Compliance
    3. 4.3 Trademarks
    4.     72
  11. 5Revision History

2.2.5.13 GPIO Mapping

Table 2-11 describes the detailed GPIO mapping of AM62A SOC with AM62A Low Power SK EVM peripherals.

Table 2-11 Mapping of AM62A SoC with AM62A Low Power SK EVM Peripherals
SL NO. GPIO Description GPIO Netname Functionality GPIO Used Package Signal Name Direction With Respect to Control Default State Active State Voltage Domain on SoC Side Voltage Rail Connected on SKEVM
1 Enable for WLAN Interface WLAN_EN ENABLE GPIO0_71 MMC2_SDCD OUTPUT LOW HIGH VDDSHV6 SoC_DVDD1V8
2 WLAN Interrupt WLAN_IRQ INTERRUPT GPIO0_72 MMC2_SDWP INPUT HIGH LOW VDDSHV6 SoC_DVDD1V8
3 Enable for BT Interface BT_EN_SOC ENABLE MCU_GPIO0_0 MCU_SPI0_CS0 OUTPUT LOW HIGH VDDSHV_MCU SoC_DVDD3V3
4 CPSW Ethernet PHY Interrupt CPSW_RGMII_INTn INTERRUPT GPIO1_31 EXTINTn INPUT HIGH LOW VDDSHV0 SoC_DVDD3V3
5 OSPI Reset Control GPIO GPIO_OSPI_RSTn RESET GPIO0_12 OSPI0_CSn1 OUTPUT HIGH LOW VDDSHV1 SoC_DVDD1V8
6 MCU Header GPIO0_16 MCU_GPIO0_16 GPIO MCU_GPIO0_16 MCU_MCAN1_RX NA NA NA VDDSHV_CANUART CAN_IO_3V3
7 MCU Header GPIO0_15 MCU_GPIO0_15 GPIO MCU_GPIO0_15 MCU_MCAN1_TX NA NA NA VDDSHV_CANUART CAN_IO_3V3
8 PMIC Interrupt PMIC_INT_B INTERRUPT GPIO0_31 EXTINTn INPUT HIGH LOW VDDSHV3 SoC_DVDD3V3
9 CAN-FD fast wake up signal from switch CAN_FD_WKUP_SW_INH INTERRUPT MCU_GPIO0_15 MCU_MCAN1_TX INPUT HIGH LOW VDDSHV_CANUART CAN_IO_3V3
10 CAN-FD fast wake signal from MCU header CAN_FD_WKUP_HDR_INH
11 Interrupt Signal from Automotive Ethernet ADD-ON board CPSW_ETH2_INH
12 User test LED control signal SOC_GPIO1_49 GPIO GPIO1_49 MMC1_SDWP OUTPUT LOW HIGH VDDSHV0 SoC_DVDD3V3
13 Watchdog trigger input signal for Watchdog Trigger mode PMIC_WDOG_TRIGG ENABLE MCU_GPIO0_19 WKUP_I2C0_SCL IPNUT LOW HIGH VDDSHV_MCU SoC_DVDD3V3
14 WKUP Signal from RGMII2 CPSW_ETH2_WAKE INTERRUPT MCU_GPIO0_20 WKUP_I2C0_SDA INPUT LOW HIGH VDDSHV_MCU SoC_DVDD3V3
15 User EXP Conn GPIO EXP_GPIO1_22 GPIO GPIO1_22 UART0_CTSn NA NA NA VDDSHV0 SoC_DVDD3V3
16 IO Expander Interrupt GPIO1_23_INTn INTERRUPT GPIO1_23 UART0_RTSn INPUT HIGH LOW VDDSHV0 SoC_DVDD3V3
17 User Interrupt
18 User EXP Conn GPIO EXP_GPIO0_14_LT GPIO GPIO0_14 OSPI0_CSn3 NA NA NA VDDSHV1 SoC_DVDD1P8
19 PMIC Standby Disable PMIC_LPM_EN0 ENABLE MCU_GPIO0_22 PMIC_LPM_EN0 OUTPUT LOW HIGH VDDSHV_CANUART CAN_IO_3V3
20 User EXP Conn GPIO EXP_EHRPWM1_B GPIO GPIO1_10 MCASP0_AXR0 NA NA NA VDDSHV0 SoC_DVDD3V3
IO EXPANDER - 01
1 eMMC Reset control GPIO GPIO_EMMC_RSTN RESET IO_EXPANDER-P11 OUTPUT HIGH LOW VCC_3V3_SYS
2 CPSW Ethernet PHY-1 Reset Control GPIO GPIO_CPSW1_RST RESET IO_EXPANDER-P01 OUTPUT HIGH LOW VCC_3V3_SYS
3 CPSW Ethernet PHY-2 Reset Control GPIO GPIO_CPSW2_RST RESET IO_EXPANDER-P00 OUTPUT HIGH LOW VCC_3V3_SYS
4 SD Card Load Switch Enable MMC1_SD_EN ENABLE IO_EXPANDER-P03 OUTPUT HIGH LOW VCC_3V3_SYS
5 SOC eFuse Voltage (VPP=1.8V) Regulator Enable VPP_EN ENABLE IO_EXPANDER-P04 OUTPUT LOW HIGH VCC_3V3_SYS
6 EXP CONN 3.3V PowerSwitch Enable EXP_PS_3V3_EN ENABLE IO_EXPANDER-P05 OUTPUT LOW HIGH VCC_3V3_SYS
7 EXP CONN 5V PowerSwitch Enable EXP_PS_5V0_EN ENABLE IO_EXPANDER-P06 OUTPUT LOW HIGH VCC_3V3_SYS
8 Audio Codec Reset Control GPIO GPIO_AUD_RSTN RESET IO_EXPANDER-P10 OUTPUT HIGH LOW VCC_3V3_SYS
9 EXP CONN HAT Board Detection EXP_HAT_DETECT DETECTION IO_EXPANDER-P07 INPUT HIGH LOW VCC_3V3_SYS
10 SOC UART1 Mux Select UART1_FET_BUF_EN SELECT IO_EXPANDER-P12 OUTPUT HIGH LOW VCC_3V3_SYS
11 BT UART WKUP Signal BT_UART_WAKE_SOC INTERRUPT IO_EXPANDER-P13 INPUT HIGH LOW VCC_3V3_SYS
12 HDMI Transmitter Reset Control GPIO GPIO_HDMI_RSTN RESET IO_EXPANDER-P14 OUTPUT HIGH LOW VCC_3V3_SYS
13 Raspberry Pi Camera CSI0 GPIO1 CSI_GPIO0 INPUT/OUTPUT IO_EXPANDER-P15 NA NA NA VCC_3V3_SYS
14 Raspberry Pi Camera CSI0 GPIO2 CSI_GPIO1 INPUT/OUTPUT IO_EXPANDER-P16 NA NA NA VCC_3V3_SYS
15 WLAN Alert Interrupt WLAN_ALERTn INTERRUPT IO_EXPANDER-P17 INPUT LOW HIGH VCC_3V3_SYS
16 HDMI Interrupt HDMI_INTN INTERRUPT IO_EXPANDER-P20 INPUT HIGH LOW VCC_3V3_SYS
17 TEST GPIO2 from Test Automation Connector TEST_GPIO2 GPIO IO_EXPANDER-P21 INPUT HIGH LOW VCC_3V3_SYS
18 MCASP1 Enable and Direction Control MCASP1_FET_EN ENABLE IO_EXPANDER-P22 OUTPUT LOW LOW VCC_3V3_SYS
19 MCASP1_BUF_BT_EN ENABLE IO_EXPANDER-P23 OUTPUT LOW HIGH VCC_3V3_SYS
20 MCASP1_FET_SEL DIRECTION CONTROL IO_EXPANDER-P24 OUTPUT HIGH LOW VCC_3V3_SYS
21 UART1_FET_SEL DIRECTION CONTROL IO_EXPANDER-P25 OUTPUT HIGH LOW
22 Power Delivery I2C Interrupt Request PD_I2C_IRQ INTERRUPT IO_EXPANDER-P26 INPUT HIGH LOW VCC_3V3_SYS
23 IO EXPANDER - 01 IO_EXP_TEST_LED GPIO IO_EXPANDER-P27 OUTPUT LOW HIGH VCC_3V3_SYS
IO EXPANDER - 02
1 SoC SPI0 MUX Selection SPI0_FET_SEL ENABLE IO_EXPANDER-P20 OUTPUT LOW HIGH VCC_3V3_SYS
2 SoC SPI0 MUX Enable SPI0_FET_OE CONTROL IO_EXPANDER-P21 OUTPUT LOW LOW VCC_3V3_SYS
3 CSI Regulator Enable (VCC_CSI_IO) CSI_VLDO_SEL ENABLE IO_EXPANDER-P26 OUTPUT LOW HIGH VCC_3V3_SYS
4 WLAN Reset control GPIO SOC_WLAN_SDIO_RST RESET IO_EXPANDER-P27 OUTPUT HIGH LOW VCC_3V3_SYS
5 Wilink Enable WL_LT_EN ENABLE IO_EXPANDER-P10 OUTPUT LOW LOW VCC_3V3_SYS
6 CSI Reset control GPIO CSI_RSTZ RESET IO_EXPANDER-P11 OUTPUT LOW HIGH VCC_3V3_SYS
7 CSI flex and mipi MUX Selection CSI_SEL2 ENABLE IO_EXPANDER-P23 OUTPUT HIGH HIGH VCC_3V3_SYS
6 CSI MUX Enable CSI_EN ENABLE IO_EXPANDER-P24 OUTPUT HIGH HIGH VCC_3V3_SYS