TIDUFE7 March   2026

 

  1.   1
  2.   Description
  3.   Resources
  4.   Features
  5.   Applications
  6.   6
  7. 1System Description
  8. 2System Overview
    1. 2.1 Block Diagram
    2. 2.2 Design Considerations
    3. 2.3 Highlighted Products
      1. 2.3.1 MSPM0G5187 Mixed-Signal Microcontrollers With Edge AI NPU
      2. 2.3.2 CC2755R10 SimpleLink™ Bluetooth® LE wireless MCU
  9. 3Hardware, Software, Testing Requirements, and Test Results
    1. 3.1 Hardware Requirements
      1. 3.1.1 PIR Analog Signal Chain
    2. 3.2 Software Requirements
    3. 3.3 Test Setup
      1. 3.3.1 Data Collection
    4. 3.4 Test Results
      1. 3.4.1 Passive Infrared Sensor (PIR)
      2. 3.4.2 HDC3020 – Temperature and Humidity Sensor (I2C)
      3. 3.4.3 BMP384 – Barometric Pressure Sensor (I2C)
      4. 3.4.4 OPT4001 – Ambient Light Sensor (I2C)
      5. 3.4.5 BMI270 – 6-Axis IMU (SPI)
      6. 3.4.6 MAG5170 – 3D Hall-Effect Sensor (SPI)
      7. 3.4.7 ICS43434 – Digital Microphone (I2S)
  10. 4Design and Documentation Support
    1. 4.1 Design Files
      1. 4.1.1 Schematics
      2. 4.1.2 BOM
    2. 4.2 Tools and Software
    3. 4.3 Documentation Support
    4. 4.4 Support Resources
    5. 4.5 Trademarks
  11. 5About the Author

3.4.5 BMI270 – 6-Axis IMU (SPI)

  1. Default Configuration - Accelerometer:
    1. Power Mode: Normal
    2. Range: ±8g
    3. Output Data Rate: 100Hz
    4. Bandwidth: Normal
    5. Filter Performance: High
  2. Default Configuration - Gyroscope:
    1. Power Mode: Normal
    2. Range: ±2000dps
    3. Output Data Rate: 100Hz
    4. Bandwidth: Normal
    5. Filter Performance: High
    6. Noise Performance: Normal
  3. User Configurable:
    1. Power mode (suspend, low-power, normal, performance)
    2. Sensor enable (accelerometer only, gyro only, both)
    3. Accelerometer range (±2g, 4g, 8g, 16g)
    4. Gyroscope range (±125 to 2000dps)
    5. Output data rate (0.78Hz to 3200Hz)
    6. Bandwidth mode (OSR4, OSR2, normal, CIC)
    7. Filter and noise performance modes
    8. Interrupt type and pin selection
  4. Not Enabled and Not Configurable:
    1. FIFO operation
    2. Motion and no-motion detection
    3. Step counter and detector
    4. Wrist gesture recognition
    5. Activity recognition
    6. Internal temperature sensor
    7. Self-test and offset calibration
TIDA-010997 Accelerometer Data Capture Figure 3-13 Accelerometer Data Capture
TIDA-010997 Gyro Data Capture Figure 3-14 Gyro Data Capture