SPRUJ69 December   2022 AM68 , AM68A , TDA4AL-Q1 , TDA4VE-Q1 , TDA4VL-Q1

 

  1.   Trademarks
  2. 1Introduction
    1. 1.1 Inside the Box
    2. 1.2 Key Features
    3. 1.3 Thermal Compliance
    4. 1.4 Reach Compliance
    5. 1.5 EMC, EMI, and ESD Compliance
  3. 2User Interfaces
    1. 2.1 Power Inputs
    2. 2.2 Power Input [J7_CP] with LED for Status [LD2_CP][LD3_CP]
      1. 2.2.1 Power Control [SW2_CP] with LED for Status [LD5_CP] [LD6_CP] [LD7_CP]
      2. 2.2.2 Power Budget Considerations
    3. 2.3 User Inputs
      1. 2.3.1 Board Configuration Settings [SW3_CP] [SW13_CP] [SW3_SOM]
      2. 2.3.2 Boot Configuration Settings [SW9_CP] [SW8_CP]
      3. 2.3.3 Reset Pushbuttons [SW7_CP] [SW6_CP] [SW5_CP] [SW4_CP]
      4. 2.3.4 User Pushbuttons [SW2] [SW11] [SW10] [SW1] [SW12] with User LED Indication [LD9] [LD8]
    4. 2.4 Standard Interfaces
      1. 2.4.1 Uart-Over-USB [J43_CP] [J44_CP] with LED for Status [LD10_CP] [LD11_CP]
      2. 2.4.2 Gigabit Ethernet [J35_CP] with Integrated LEDs for Status
      3. 2.4.3 USB3.1 Gen1 Interface [J5_CP]
      4. 2.4.4 USB2.0 Interface [J6_CP]
      5. 2.4.5 PCIe Card Slot [J8_CP]
      6. 2.4.6 Display Port Interfaces [J36_CP] [J37_CP]
      7. 2.4.7 MicroSD Card Cage [J49_CP]
      8. 2.4.8 Stereo Audio Interface [LINE-IN J38_CP, LINE-OUT J41B_CP, J40B_CP]
    5. 2.5 Expansion Interfaces
      1. 2.5.1 Heatsink [ACC3_SOM] with Fan Header [J15_CP]
      2. 2.5.2 CAN-FD Connectors
      3. 2.5.3 Camera Interfaces [J52_CP]
      4. 2.5.4 Automation and Control Connector [J50_CP]
      5. 2.5.5 ADC [J23_CP]
      6. 2.5.6 CSI-TX [J10_SOM]
      7. 2.5.7 Accessory Power Connector [J42_CP]
  4. 3Circuit Details
    1. 3.1 Top Level Diagram
    2. 3.2 Interface Mapping
    3. 3.3 I2C Address Mapping
    4. 3.4 GPIO Mapping
      1. 3.4.1 Power Monitoring
      2. 3.4.2 Shared Interfaces / Signal Muxing
      3. 3.4.3 Power Delivery Network (PDN)
      4. 3.4.4 Identification EEPROM
  5. 4Revision History

I2C Address Mapping

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

Table 3-2 I2C Mapping Table
Connected Peripheral Processor Resources J7AEPComponent / Part Number
I2C Port Address
Board ID EEPROM WKUP_I2C0 0x50, 0x51, On-Semi, CAT24C256WE-GT3
Power Management IC (PMIC) WKUP_I2C0 0x48, 0x49, 0x4A & 0x4B Texas Instruments, TPS659413
Power Management IC (PMIC) WKUP_I2C0 0x4C, 0x4D, 0x4E & 0x4F Texas Instruments, TPS659411
Power Management IC (PMIC) WKUP_I2C0 0x58, 0x59, 0x5A & 0x5B Texas Instruments, P876411A5RQKRQ1
Temperature Sensors MCU_I2C0 0x48, 0x49 Texas Instruments, TMP100NA/3K
Boot EEPROM MCU_I2C0 0x50, 0x51 Texas Instruments, AT24CM01
8-bit I2C GPIO Expander I2C0 0x21 Texas Instruments, TCA6408ARGTR
SerDes Clock gen #1 Optional I2C0 Optional Texas Instruments, CDCI6214
SerDes Clock gen #2 I2C0 0x77,0x76 Texas Instruments, CDCI6214
Peripheral Clock Gen I2C0 0x6D Texas Instruments, CDCEL937-Q1
16bit I2C GPIO EXPANDER1 I2C0 0x20 Texas Instruments, TCA6416ARTWR
24bit I2C GPIO EXPANDER2 I2C0 0x22 Texas Instruments, TCA6424ARGJR
8-bit I2C GPIO Expander4 I2C4 0x20 Texas Instruments, TCA6408ARGTR
DSI TO eDP BRIDGE I2C4 0x2C Texas Instruments, SN65DSI86IPAPQ1
I2C Switch for Automation header I2C1 0x22 Texas Instruments, TCA6424ARGJR
Current Monitors and Header I2C1 0x40 to 0x4F Texas Instruments, INA226AIDGSR
8bit GPIO Expander3 I2C3 0x20 Texas Instruments, TCA6408ARGTR
FPD Link iii Deserializer I2C3 0x2C Texas Instruments, DS90UB926Q-Q1
AUDIO IF Codec I2C3 0x44 Texas Instruments, PCM3168A-Q1
I2C IO Expander I2C5 0x41 Texas Instruments, PCA9536DGKR
Expansion, Camera I2C5 Add-On