SWRS219B October   2018  – September 2019 IWR6843

ADVANCE INFORMATION for pre-production products; subject to change without notice.  

  1. 1Device Overview
    1. 1.1 Features
    2. 1.2 Applications
    3. 1.3 Description
    4. 1.4 Functional Block Diagram
  2. 2Revision History
  3. 3Device Comparison
    1. 3.1 Related Products
  4. 4Terminal 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. 5Specifications
    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 5-6 SPI Timing Conditions
          2. Table 5-7 SPI Master Mode Switching Parameters (CLOCK PHASE = 0, SPICLK = output, SPISIMO = output, and SPISOMI = input)
          3. Table 5-8 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 5-9 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 5-11 Switching Characteristics for Output Timing versus Load Capacitance (CL)
      6. 5.10.6  Controller Area Network - Flexible Data-rate (CAN-FD)
        1. Table 5-12 Dynamic Characteristics for the CANx TX and RX Pins
      7. 5.10.7  Serial Communication Interface (SCI)
        1. Table 5-13 SCI Timing Requirements
      8. 5.10.8  Inter-Integrated Circuit Interface (I2C)
        1. Table 5-14 I2C Timing Requirements
      9. 5.10.9  Quad Serial Peripheral Interface (QSPI)
        1. Table 5-15 QSPI Timing Conditions
        2. Table 5-16 Timing Requirements for QSPI Input (Read) Timings
        3. Table 5-17 QSPI Switching Characteristics
      10. 5.10.10 ETM Trace Interface
        1. Table 5-18 ETMTRACE Timing Conditions
        2. Table 5-19 ETM TRACE Switching Characteristics
      11. 5.10.11 Data Modification Module (DMM)
        1. Table 5-20 DMM Timing Requirements
      12. 5.10.12 JTAG Interface
        1. Table 5-21 JTAG Timing Conditions
        2. Table 5-22 Timing Requirements for IEEE 1149.1 JTAG
        3. Table 5-23 Switching Characteristics Over Recommended Operating Conditions for IEEE 1149.1 JTAG
  6. 6Detailed 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
      5. 6.3.5 DSP Subsystem
      6. 6.3.6 Hardware Accelerator
    4. 6.4 Other Subsystems
      1. 6.4.1 ADC Channels (Service) for User Application
        1. Table 6-1 GP-ADC Parameter
  7. 7Applications, Implementation, and Layout
    1. 7.1 Application Information
    2. 7.2 Reference Schematic
    3. 7.3 Layout
      1. 7.3.1 Layout Guidelines
      2. 7.3.2 Layout Example
      3. 7.3.3 Stackup Details
  8. 8Device and Documentation Support
    1. 8.1 Device Nomenclature
    2. 8.2 Tools and Software
    3. 8.3 Documentation Support
    4. 8.4 Support Resources
    5. 8.5 Trademarks
    6. 8.6 Electrostatic Discharge Caution
    7. 8.7 Glossary
  9. 9Mechanical, Packaging, and Orderable Information
    1. 9.1 Packaging Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • ABL|161
  • ALA|209
Thermal pad, mechanical data (Package|Pins)
Orderable Information

Device Comparison

Table 3-1 Device Features Comparison

FUNCTION IWR6843AOP IWR6843 IWR1843 IWR1642 IWR1443
Antenna on Package (AOP) Yes
Number of receivers 4 4 4 4 4
Number of transmitters 3 3 3(1) 2 3
RF frequency range 60 to 64 GHz 60 to 64 GHz 76 to 81 GHz 76 to 81 GHz 76 to 81 GHz
On-chip memory 1.75MB 1.75MB 2MB 1.5MB 576KB
Max I/F (Intermediate Frequency) (MHz) 10 10 10 5 15
Max real sampling rate (Msps) 25 25 25 12.5 37.5
Max complex sampling rate (Msps) 12.5 12.5 12.5 6.25 18.75
Processors
MCU (R4F) Yes Yes Yes Yes Yes
DSP (C674x) Yes Yes Yes Yes
Peripherals
Serial Peripheral Interface (SPI) ports 2 2 2 2 1
Quad Serial Peripheral Interface (QSPI) Yes Yes Yes Yes Yes
Inter-Integrated Circuit (I2C) interface 1 1 1 1 1
Controller Area Network (DCAN) interface Yes Yes Yes
Controller Area Network (CAN-FD) interface Yes Yes Yes
Trace Yes Yes Yes Yes
PWM Yes Yes Yes Yes
Hardware In Loop (HIL/DMM) Yes Yes Yes Yes
GPADC Yes Yes Yes Yes Yes
LVDS/Debug Yes Yes Yes Yes Yes
CSI2 Yes
Hardware accelerator Yes Yes Yes Yes
1-V bypass mode Yes Yes Yes Yes Yes
JTAG Yes Yes Yes Yes Yes
Product status Product Preview (PP),
Advance Information (AI),
or Production Data (PD)
AI(2) AI(2) PD(3) PD(3) PD(3)
3 Tx Simultaneous operation is supported only with 1-V LDO bypass and PA LDO disable mode. In this mode, the 1-V supply needs to be fed on the VOUT PA pin.
ADVANCE INFORMATION for pre-production products; subject to change without notice.
PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of the Texas Instruments standard warranty.