SWRS228 September   2019 IWR1843

PRODUCTION DATA.  

  1. 1 Device Overview
    1. 1.1 Features
    2. 1.2 Applications
    3. 1.3 Description
    4. 1.4 Functional Block Diagram
  2. 2 Revision History
  3. 3 Device Comparison
    1. 3.1 Related Products
  4. 4 Terminal Configuration and Functions
    1. 4.1 Pin Diagram
    2. 4.2 Pin Attributes
      1. Table 4-3 PAD IO Register Bit Descriptions
    3. 4.3 Signal Descriptions
      1. Table 4-4 Signal Descriptions - Digital
      2. Table 4-5 Signal Descriptions - Analog
  5. 5 Specifications
    1. 5.1  Absolute Maximum Ratings
    2. 5.2  ESD Ratings
    3. 5.3  Power-On Hours (POH)
    4. 5.4  Recommended Operating Conditions
    5. 5.5  Power Supply Specifications
    6. 5.6  Power Consumption Summary
    7. 5.7  RF Specification
    8. 5.8  CPU Specifications
    9. 5.9  Thermal Resistance Characteristics for FCBGA Package [ABL0161]
    10. 5.10 Timing and Switching Characteristics
      1. 5.10.1  Power Supply Sequencing and Reset Timing
      2. 5.10.2  Input Clocks and Oscillators
        1. 5.10.2.1 Clock Specifications
      3. 5.10.3  Multibuffered / Standard Serial Peripheral Interface (MibSPI)
        1. 5.10.3.1 Peripheral Description
        2. 5.10.3.2 MibSPI Transmit and Receive RAM Organization
          1. Table 5-7 SPI Timing Conditions
          2. Table 5-8 SPI Master Mode Switching Parameters (CLOCK PHASE = 0, SPICLK = output, SPISIMO = output, and SPISOMI = input)
          3. Table 5-9 SPI Master Mode Switching Parameters (CLOCK PHASE = 1, SPICLK = output, SPISIMO = output, and SPISOMI = input)
        3. 5.10.3.3 SPI Slave Mode I/O Timings
          1. Table 5-10 SPI Slave Mode Switching Parameters (SPICLK = input, SPISIMO = input, and SPISOMI = output)
        4. 5.10.3.4 Typical Interface Protocol Diagram (Slave Mode)
      4. 5.10.4  LVDS Interface Configuration
        1. 5.10.4.1 LVDS Interface Timings
      5. 5.10.5  General-Purpose Input/Output
        1. Table 5-12 Switching Characteristics for Output Timing versus Load Capacitance (CL)
      6. 5.10.6  Controller Area Network Interface (DCAN)
        1. Table 5-13 Dynamic Characteristics for the DCANx TX and RX Pins
      7. 5.10.7  Controller Area Network - Flexible Data-rate (CAN-FD)
        1. Table 5-14 Dynamic Characteristics for the CANx TX and RX Pins
      8. 5.10.8  Serial Communication Interface (SCI)
        1. Table 5-15 SCI Timing Requirements
      9. 5.10.9  Inter-Integrated Circuit Interface (I2C)
        1. Table 5-16 I2C Timing Requirements
      10. 5.10.10 Quad Serial Peripheral Interface (QSPI)
        1. Table 5-17 QSPI Timing Conditions
        2. Table 5-18 Timing Requirements for QSPI Input (Read) Timings
        3. Table 5-19 QSPI Switching Characteristics
      11. 5.10.11 ETM Trace Interface
        1. Table 5-20 ETMTRACE Timing Conditions
        2. Table 5-21 ETM TRACE Switching Characteristics
      12. 5.10.12 Data Modification Module (DMM)
        1. Table 5-22 DMM Timing Requirements
      13. 5.10.13 JTAG Interface
        1. Table 5-23 JTAG Timing Conditions
        2. Table 5-24 Timing Requirements for IEEE 1149.1 JTAG
        3. Table 5-25 Switching Characteristics Over Recommended Operating Conditions for IEEE 1149.1 JTAG
  6. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Subsystems
      1. 6.3.1 RF and Analog Subsystem
        1. 6.3.1.1 Clock Subsystem
        2. 6.3.1.2 Transmit Subsystem
        3. 6.3.1.3 Receive Subsystem
      2. 6.3.2 Processor Subsystem
      3. 6.3.3 Host Interface
      4. 6.3.4 Master Subsystem Cortex-R4F Memory Map
      5. 6.3.5 DSP Subsystem Memory Map
      6. 6.3.6 Hardware Accelerator
    4. 6.4 Other Subsystems
      1. 6.4.1 ADC Channels (Service) for User Application
        1. Table 6-3 GP-ADC Parameter
  7. 7 Monitoring and Diagnostics
    1. 7.1 Monitoring and Diagnostic Mechanisms
      1. 7.1.1 Error Signaling Module
  8. 8 Applications, Implementation, and Layout
    1. 8.1 Application Information
    2. 8.2 Reference Schematic
    3. 8.3 Layout
      1. 8.3.1 Layout Guidelines
      2. 8.3.2 Stackup Details
  9. 9 Device and Documentation Support
    1. 9.1 Device Nomenclature
    2. 9.2 Tools and Software
    3. 9.3 Documentation Support
    4. 9.4 Support Resources
    5. 9.5 Trademarks
    6. 9.6 Electrostatic Discharge Caution
    7. 9.7 Glossary
  10. 10Mechanical, Packaging, and Orderable Information
    1. 10.1 Packaging Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • ABL|161
Thermal pad, mechanical data (Package|Pins)
Orderable Information

1.1 Features

  • FMCW transceiver
    • Integrated PLL, transmitter, receiver, Baseband, and A2D
    • 76- to 81-GHz coverage with 4 GHz available bandwidth
    • Four receive channels
    • Three transmit channels
    • Ultra-accurate chirp engine based on fractional-N PLL
    • TX power: 12 dBm
  • Built-in calibration and self-test (monitoring)
    • ARM®Cortex®-R4F-based radio control system
    • Built-in firmware (ROM)
    • Self-calibrating system across frequency and temperature
  • C674x DSP for FMCW signal processing
  • On-chip Memory: 2MB
  • Cortex-R4F microcontroller for object tracking and classification, and interface control
    • Supports autonomous mode (loading user application from QSPI flash memory)
  • Integrated peripherals
    • Internal memories With ECC
  • Host interface
    • CAN and CAN-FD
  • Other interfaces available to user application
    • Up to 6 ADC channels
    • Up to 2 SPI channels
    • Up to 2 UARTs
    • I2C
    • GPIOs
    • 2-lane LVDS interface for raw ADC data and debug instrumentation
  • IWR1843 advanced features
    • Embedded self-monitoring with no host processor involvement
    • Complex baseband architecture
    • Embedded interference detection capability
    • Programmable phase rotators in transmit path to enable beam forming
  • Power management
    • Built-in LDO network for enhanced PSRR
    • I/Os support dual voltage 3.3 V/1.8 V
  • Clock source
    • Supports external oscillator at 40 MHz
    • Supports externally driven clock (square/sine) at 40 MHz
    • Supports 40 MHz crystal connection with load capacitors
  • Easy hardware design
    • 0.65-mm pitch, 161-pin 10.4 mm × 10.4 mm flip chip BGA package for easy assembly and low-cost PCB design
    • Small solution size