SPRUJ22A November   2021  – March 2023 AWR2944

 

  1.   Trademarks
  2. 1Getting Started
    1. 1.1 Introduction
    2. 1.2 Key Features
    3. 1.3 What’s Included
      1. 1.3.1 Kit Contents
      2. 1.3.2 mmWave Out-of-Box (OOB) Demo
  3. 2Hardware
    1. 2.1  Block Diagram
    2. 2.2  PCB Handling Recommendations
    3. 2.3  Power Connections
    4. 2.4  Connectors
      1. 2.4.1 MIPI 60-Pin Connector (J19)
      2. 2.4.2 Debug Connector-60 pin (J7)
      3. 2.4.3 CAN-A Interface Connector (J3)
      4. 2.4.4 CAN-B Interface Connector (J2)
      5. 2.4.5 Ethernet Ports (J4 and J9)
        1. 2.4.5.1 ECOs to Enable the DP83TC812R PHY
      6. 2.4.6 USB Connectors (J8, J10)
      7. 2.4.7 OSC_CLKOUT Connector (J14)
      8. 2.4.8 PMIC SPI Connector (J16) (DNP)
      9. 2.4.9 Voltage Rails Ripple Measurement Connectors (J1, J5) (DNP)
    5. 2.5  Antenna
    6. 2.6  PMIC
    7. 2.7  On-Board Sensors
    8. 2.8  PC Connection
      1. 2.8.1 XDS110 Interface
      2. 2.8.2 FTDI Interface
    9. 2.9  Connecting the AWR2944EVM to the DCA1000 EVM
    10. 2.10 Jumpers, Switches, and LEDs
      1. 2.10.1 Switches
      2. 2.10.2 Sense On Power (SOP) Jumpers (J17, J18, J20)
      3. 2.10.3 I2C Connections
      4. 2.10.4 Push Buttons
      5. 2.10.5 LEDs
  4. 3Design Files and Software Tools
    1. 3.1 Design Files
    2. 3.2 Software, Development Tools, and Example Code
  5. 4Revision History

2.10.3 I2C Connections

The board features temperature sensor for measuring onboard temperature, current sensors for current measurement for 1.2-V, 1.8-V, 3.3-V, 1V0_RF1, and 1V0_RF2 AWR2944 supply rails and EEPROM for storing board ID. These are connected to the AWR2944EVM through I2C bus.

Table 2-14 shows the list of I2C devices available in AWR2944EVM board and the address.

Table 2-14 I2C Device Addresses
Sensor Type Reference Designator Part Number Target Address
Temp sensor U24 TMP112AIDRLR 0x49
Current sensor for 3.3-V rail U12 INA226AIDGSR 0x44
Current sensor for 1.8-V rail U11 INA226AIDGSR 0x41
Current sensor for 1.2-V Digital rail U9 INA226AIDGSR 0x40
Current sensor for 1.0-V RF1 rail U22 INA226AIDGSR 0x42
Current sensor for 1.0-V RF2 rail U30 INA226AIDGSR 0x43
EEPROM U28 CAV24C02WE-GT3 0x50