SPRUJ68A January   2023  – October 2025 AM68 , AM68A , TDA4AL-Q1 , TDA4VE-Q1 , TDA4VL-Q1

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4.   4
  5. 1Introduction
    1. 1.1 Inside the Box
    2. 1.2 Key Features and Interfaces
    3. 1.3 Thermal Compliance
    4. 1.4 EMC, DMI, and ESD Compliance
  6. 2User Interfaces
    1. 2.1 Power Input
      1. 2.1.1 Power Input [J22] With LED for Status [LD2]
      2. 2.1.2 Power Budget Considerations
    2. 2.2 User Inputs
      1. 2.2.1 Board Configuration Settings [SW1]
      2. 2.2.2 Reset Power Down Pushbutton [SW2]
      3. 2.2.3 User Pushbutton [SW3] With User LED Indication [LD3]
    3. 2.3 Standard Interfaces
      1. 2.3.1 Uart-Over-USB [J4 With LED for Status [LD1]
      2. 2.3.2 Gigabit Ethernet [J8] With Integrated LEDs for Status
      3. 2.3.3 JTAG Emulation Interface [J13]
      4. 2.3.4 USB3 1 Gen1 Interfaces [J9] [J11]
      5. 2.3.5 Stacked DisplayPort and HDMI Type A [J12]
      6. 2.3.6 M 2 Key M Connector [J21] for SSD Modules
      7. 2.3.7 MicroSD Card Cage [J19]
    4. 2.4 Expansion Interfaces
      1. 2.4.1 Heatsink [ACC1] With [J15] Fan Header
      2. 2.4.2 CAN-FD Connector(s) [J1] [J2] [J5] [J6]
      3. 2.4.3 Expansion Header [J3]
      4. 2.4.4 Camera Interface 22-Pin Flex Connectors [J16][J17]
      5. 2.4.5 Camera Interface 40-Pin High Speed [J20]
      6. 2.4.6 Automation and Control Connector [J24]
  7. 3Circuit Details
    1. 3.1 Top Level Diagram
    2. 3.2 AM68 SK EVM Interface Mapping
    3. 3.3 I2C Address Mapping
    4. 3.4 GPIO Mapping
    5. 3.5 I2C GPIO Expander Table
    6. 3.6 Identification EEPROM
  8. 4Revision History

3.3 I2C Address Mapping

Table 3-2 provides the complete I2C address mapping details on EVM.

Table 3-2 I2C Mapping Table

Connected Peripheral

 Processor Resources

Components/ Part Numbers
I2C Port I2CAddress
Power Management IC WKUP_I2C0 0x60 Texas Instruments LP8733
Buck Regulator WKUP_I2C0 0x40 Texas Instruments TPS62873
Buck Regulator WKUP_I2C0 0x43 Texas Instruments TPS62873
EEPROM, Board Id SOM WKUP_I2C0 0x51 Microchip Tech AT24C512C
EEPROM, Board Id Base Board WKUP_I2C0 0x52 Microchip Tech AT24C512C
ExpansionHeader (40p) WKUP_I2C0 Add-on
Current Monitor IC MCU_I2C0 0x40-0x45 Texas Instruments INA231
Automation Header MCU_I2C0
Bootmode IO expander MCU_I2C0 0x20 Texas Instruments TCA6408
HDMIDDC MCU_I2C1 Add-on
eDP Bridge MCU_I2C1 0x2C Texas Instruments SN65DSI86
Input PD Controller I2C0 0x20 Texas Instruments TPS25750
PCIe M.2 Key E/M I2C0 Add-on
Camera Expansion I2C0 0x70Add-on Texas Instruments TCA9543A
CSI FPC Conn I2C1 Add-on
Expansion Header (40p) I2C4 Add-On