SWRS350B December   2025  – September 2026 IWRL6432WMOD

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Terminal Configurations and Functions
    1. 4.1 Pin Diagrams
    2. 4.2 Signal Descriptions
  6. 5 Specifications
    1. 5.1  Absolute Maximum Ratings
    2. 5.2  ESD Ratings
    3. 5.3  Recommended Operating Conditions
    4. 5.4  Module Power Management
    5. 5.5  Typical Power Consumption Numbers
    6. 5.6  Peak Current Requirement per Voltage Rail
    7. 5.7  RF Specification
    8. 5.8  Antenna Position
      1. 5.8.1 2D Antenna Array With 3D Detection Capability
    9. 5.9  Antenna Gain Plot
      1. 5.9.1 Measured Azimuth Loopback Plot
      2. 5.9.2 Measured Elevation Loopback Plot
    10. 5.10 Thermal Resistance Characteristics
    11. 5.11 Timing and Switching Characteristics
      1. 5.11.1 Power Supply Sequencing and Reset Timing
      2. 5.11.2 MultiChannel buffered / Standard Serial Peripheral Interface (McSPI)
        1. 5.11.2.1 SPI Timing Conditions
        2. 5.11.2.2 SPI—Peripheral Mode
          1. 5.11.2.2.1 Timing and Switching Requirements for SPI - Peripheral Mode
          2. 5.11.2.2.2 Timing and Switching Characteristics for SPI Output Timings—Secondary Mode
        3. 5.11.2.3 SPI Protocol
          1. 5.11.2.3.1 Data Format for Host Communication over SPI
          2. 5.11.2.3.2 Typical Sequence Diagram
      3. 5.11.3 Dedicated Input/Output
        1. 5.11.3.1 Switching Characteristics for Output Timing versus Load Capacitance (CL)
      4. 5.11.4 Serial Communication Interface (SCI)
        1. 5.11.4.1 SCI Timing Requirements
  7. 6 Detailed Description
    1. 6.1 Overview
      1. 6.1.1 Module Images
    2. 6.2 Functional Block Diagram
    3. 6.3 Subsystems
      1. 6.3.1 Host Interface
        1. 6.3.1.1 Interface Signal Description
        2. 6.3.1.2 Operating Modes
      2. 6.3.2 Device Firmware
  8. 7 Device Certification
    1. 7.1 FCC Certification and Statement
    2. 7.2 ETSI/CE
    3. 7.3 End Product Labeling
    4. 7.4 Manual Information to the End User
  9. 8 Applications, Implementation, and Layout
    1. 8.1 Application Information
      1. 8.1.1 Typical Application
        1. 8.1.1.1 Autonomous Mode
        2. 8.1.1.2 Secondary Device Mode
    2. 8.2 Test Results
  10. 9 Device and Documentation Support
    1. 9.1 Device Nomenclature
    2. 9.2 Device Marking
    3. 9.3 Documentation Support
    4. 9.4 Support Resources
    5. 9.5 Trademarks
    6. 9.6 Electrostatic Discharge Caution
    7. 9.7 Glossary
  11. 10Reflow Information
  12. 11Revision History
  13. 12Mechanical, Packaging, and Orderable Information

6.3.1 Host Interface

This section software integration guidelines for interfacing an external Microcontroller Unit (MCU) with the IWRL6432WMOD mmWave radar module. It covers the hardware interface signals, operating modes, SPI communication protocol, firmware library integration, API usage patterns, and recommended coding practices.

IWRL6432WMOD Host Interface Figure 6-4 Host Interface