SWRS330 May   2024 IWR2944

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
    1. 3.1 Functional Block Diagram
  5. 4 Device Comparison
    1. 4.1 Related Products
  6. 5 Pin Configurations and Functions
    1. 5.1 Pin Diagram
    2. 5.2 Pin Attributes
    3. 5.3 Signal Descriptions - Digital
    4. 5.4 Signal Descriptions - Analog
  7. 6 Specifications
    1. 6.1  Absolute Maximum Ratings
    2. 6.2  ESD Ratings
    3. 6.3  Power-On Hours (POH)
    4. 6.4  Recommended Operating Conditions
    5. 6.5  VPP Specifications for One-Time Programmable (OTP) eFuses
      1. 6.5.1 Recommended Operating Conditions for OTP eFuse Programming
      2. 6.5.2 Hardware Requirements
      3. 6.5.3 Impact to Your Hardware Warranty
    6. 6.6  Power Supply Specifications
    7. 6.7  Power Consumption Summary
    8. 6.8  RF Specifications
    9. 6.9  Thermal Resistance Characteristics
    10. 6.10 Power Supply Sequencing and Reset Timing
    11. 6.11 Input Clocks and Oscillators
      1. 6.11.1 Clock Specifications
    12. 6.12 Peripheral Information
      1. 6.12.1  QSPI Flash Memory Peripheral
        1. 6.12.1.1 QSPI Timing Conditions
        2. 6.12.1.2 QSPI Timing Requirements #GUID-CD30070D-F132-4A2C-92CD-5AA96AE70B94/GUID-97D19708-D87E-443B-9ADF-1760CFEF6F4C #GUID-CD30070D-F132-4A2C-92CD-5AA96AE70B94/GUID-0A61EEC9-2B95-4C27-B219-18D27C8F9430
        3. 6.12.1.3 QSPI Switching Characteristics #GUID-20B35D26-AFE6-451C-B9E9-B3F2FA08097C/T4362547-64 #GUID-20B35D26-AFE6-451C-B9E9-B3F2FA08097C/T4362547-65
      2. 6.12.2  Multibuffered / Standard Serial Peripheral Interface (MibSPI)
        1. 6.12.2.1 MibSPI Peripheral Description
        2. 6.12.2.2 MibSPI Transmit and Receive RAM Organization
          1. 6.12.2.2.1 SPI Timing Conditions
          2. 6.12.2.2.2 SPI Controller Mode Switching Parameters (CLOCK PHASE = 0, SPICLK = output, SPISIMO = output, and SPISOMI = input) #GUID-20BA2ACF-4FC2-43F6-960F-1A4CA56E65A6/T4362547-236 #GUID-20BA2ACF-4FC2-43F6-960F-1A4CA56E65A6/T4362547-237 #GUID-20BA2ACF-4FC2-43F6-960F-1A4CA56E65A6/T4362547-238
          3. 6.12.2.2.3 SPI Controller Mode Switching Parameters (CLOCK PHASE = 1, SPICLK = output, SPISIMO = output, and SPISOMI = input) #GUID-517E5284-3345-461F-B07F-EB95741B1272/T4362547-244 #GUID-517E5284-3345-461F-B07F-EB95741B1272/T4362547-245 #GUID-517E5284-3345-461F-B07F-EB95741B1272/T4362547-246
        3. 6.12.2.3 SPI Peripheral Mode I/O Timings
          1. 6.12.2.3.1 SPI Peripheral Mode Switching Parameters (SPICLK = input, SPISIMO = input, and SPISOMI = output) #GUID-5C88F9F6-787B-49E2-984F-02158AB0C326/T4362547-70 #GUID-5C88F9F6-787B-49E2-984F-02158AB0C326/T4362547-71 #GUID-5C88F9F6-787B-49E2-984F-02158AB0C326/T4362547-73
      3. 6.12.3  Ethernet Switch (RGMII/RMII/MII) Peripheral
        1. 6.12.3.1  RGMII/MII Timing Conditions
        2. 6.12.3.2  RGMII Transmit Clock Switching Characteristics
        3. 6.12.3.3  RGMII Transmit Data and Control Switching Characteristics
        4. 6.12.3.4  RGMII Receive Clock Timing Requirements
        5. 6.12.3.5  RGMII Receive Data and Control Timing Requirements
        6. 6.12.3.6  RMII Transmit Clock Switching Characteristics
        7. 6.12.3.7  RMII Transmit Data and Control Switching Characteristics
        8. 6.12.3.8  RMII Receive Clock Timing Requirements
        9. 6.12.3.9  RMII Receive Data and Control Timing Requirements
        10. 6.12.3.10 MII Transmit Switching Characteristics
        11. 6.12.3.11 MII Receive Clock Timing Requirements
        12. 6.12.3.12 MII Receive Timing Requirements
        13. 6.12.3.13 MII Transmit Clock Timing Requirements
        14. 6.12.3.14 MDIO Interface Timings
      4. 6.12.4  LVDS/Aurora Instrumentation and Measurement Peripheral
        1. 6.12.4.1 LVDS Interface Configuration
        2. 6.12.4.2 LVDS Interface Timings
      5. 6.12.5  UART Peripheral
        1. 6.12.5.1 SCI Timing Requirements
      6. 6.12.6  Inter-Integrated Circuit Interface (I2C)
        1. 6.12.6.1 I2C Timing Requirements #GUID-437677C7-D935-4733-A64D-553EFECA73F7/T4362547-185
      7. 6.12.7  Controller Area Network - Flexible Data-rate (CAN-FD)
        1. 6.12.7.1 Dynamic Characteristics for the CAN-FD TX and RX Pins
      8. 6.12.8  CSI2 Receiver Peripheral
        1. 6.12.8.1 CSI2 Switching Characteristics
      9. 6.12.9  Enhanced Pulse-Width Modulator (ePWM)
      10. 6.12.10 General-Purpose Input/Output
        1. 6.12.10.1 Switching Characteristics for Output Timing versus Load Capacitance (CL) #GUID-46919170-3C9C-440C-879B-A7700B77517D/T4362547-45 #GUID-46919170-3C9C-440C-879B-A7700B77517D/T4362547-50
    13. 6.13 Emulation and Debug
      1. 6.13.1 Emulation and Debug Description
      2. 6.13.2 JTAG Interface
        1. 6.13.2.1 Timing Requirements for IEEE 1149.1 JTAG
        2. 6.13.2.2 Switching Characteristics for IEEE 1149.1 JTAG
      3. 6.13.3 ETM Trace Interface
        1. 6.13.3.1 ETM TRACE Timing Requirements
        2. 6.13.3.2 ETM TRACE Switching Characteristics
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Subsystems
      1. 7.3.1 RF and Analog Subsystem
        1. 7.3.1.1 RF Clock Subsystem
        2. 7.3.1.2 Transmit Subsystem
        3. 7.3.1.3 Receive Subsystem
      2. 7.3.2 Processor Subsystem
    4. 7.4 Other Subsystems
      1. 7.4.1 Hardware Accelerator Subsystem
      2. 7.4.2 Security – Hardware Security Module
      3. 7.4.3 ADC Channels (Service) for User Application
  9. 8 Monitoring and Diagnostics
    1. 8.1 Monitoring and Diagnostic Mechanisms
  10. 9 Applications, Implementation, and Layout
    1. 9.1 Application Information
    2. 9.2 Short and Medium Range Radar
    3. 9.3 Reference Schematic
  11. 10Device and Documentation Support
    1. 10.1 Device Support
    2. 10.2 Device Nomenclature
    3. 10.3 Tools and Software
    4. 10.4 Documentation support
    5. 10.5 Support Resources
    6. 10.6 Trademarks
    7. 10.7 Electrostatic Discharge Caution
    8. 10.8 Glossary
  12. 11Revision History
  13. 12Mechanical, Packaging, and Orderable Information

4 Device Comparison

Table 4-1 Device Features Comparison
FUNCTION IWR2944 IWR6843 IWR6843AOP IWR1843 IWR1843AOP IWRL6432 IWR2243
Antenna on Package (AOP) - - Yes - Yes - -
Number of receivers 4 4 4 4 4 3 4
Number of transmitters 4 3(1) 3(1) 3(1) 3(1) 2 3(1)
On-chip memory 4MB 1.75MB 1.75MB 2MB 2MB 1MB -
Max I/F (Intermediate Frequency) (MHz) 15 10 10 10 10 5 20
Max real/complex 2x sampling rate (Msps) 37.5 (2) 25 25 25 25 12.5 45
Max complex 1x sampling rate (Msps) —(2) 12.5 12.5 12.5 12.5 - 22.5
Safety and Security(3)
Functional safety compliance SIL-2 Targeted SIL-2 SIL-2 SIL-2 SIL-2 Targeted SIL-2 Targeted SIL-2
Device Security(4) Yes Yes Yes Yes Yes - -
Processor
MCU R5F R4F R4F R4F R4F M4F —
DSP (C6xx) Yes(5) Yes Yes Yes Yes - —
Hardware accelerator Yes(6) Yes Yes Yes Yes Yes —
Hardware Security Module (HSM) (7) Yes - - - - - —
Security Accelerators (7) Yes - - - - - —
Peripherals
Serial Peripheral Interface (SPI) ports 2 2 2 2 2 2 1
Quad Serial Peripheral Interface (QSPI) Yes Yes Yes Yes Yes Yes Yes
LVDS/Debug Yes Yes Yes Yes Yes - Yes
Aurora LVDS Yes - - - - - —
Ethernet Interface Yes - - - - - —
Inter-Integrated Circuit (I2C) interface 1 1 1 1 1 1 1
Controller Area Network (DCAN) interface — - - 1 1 - —
CAN FD 2 2 2 1 2 - —
Trace Yes Yes Yes Yes Yes - —
ePWM Yes Yes Yes Yes Yes Yes —
DMM Interface Yes Yes Yes Yes Yes - —
GPADC Yes(8) Yes Yes Yes Yes Yes Yes
CSI2 TX — - - - - - Yes
CSI2 RX (9) Yes - - - - - —
Cascade (20GHz sync) — - - - - - Yes
JTAG Yes Yes Yes Yes Yes Yes —
Per chirp configurable Tx phase shifter Yes Yes Yes Yes Yes BPM Only Yes
Product status(10) PRODUCT PREVIEW (PP),
ADVANCE INFORMATION (AI),
or PRODUCTION DATA (PD)		 PD PD PD PD PD PD PD
(1) 3 Tx Simultaneous operation is supported only with 1V LDO bypass and PA LDO disable mode. In this mode 1V supply needs to be fed on the VOUT PA pin. Please refer to the respective datasheets for more information.
(2) IWR2944 supports a real only receiver.
(3) Developed for Functional Safety applications, the IWR2944 device is targeted to support hardware integrity up to SIL-2. For other devices, refer to the respective Datasheets.
(4) Device security features including Secure Boot and Customer Programmable Keys are applicable to select part number variants as indicated by the Device Type identifier in the Section 3, Device Information table.
(5) The DSP processing core in IWR2944 is upgraded to C66x from C67x (in IWR1843).
(6) The hardware accelerator in IWR2944 is upgraded to HWA2.1 with additional features as compared to IWR1843.
(7) Only applicable for IWR2944 Secure Part Variant
(8) IWR2944 has a dedicated GPADC for external voltage monitoring.
(9) IWR2944 support CSI2 Rx based playback functionality .
(10) PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters.
ADVANCE INFORMATION concerns new products in the sampling or preproduction phase of development. Characteristic data and other specifications are subject to change without notice.