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User’s Guide
AWR1843AoP EVM User’s Guide
ABSTRACT
The AWR1843AOPEVM from Texas Instruments is an easy-to-use evaluation board for the AWR1843AOP
mmWave sensing device, with direct connectivity to the MMWAVEICBOOST and DCA1000EVM development
kits. This EVM contains everything required to start developing software for on-chip C67x DSP core and low-
power ARM® Cortex®-R4F controllers.
Table of Contents
1 Getting Started ........................................................................................................................................................................ 3
1.1 Key Features...................................................................................................................................................................... 3
1.2 Kit Contents........................................................................................................................................................................ 3
2 Hardware ................................................................................................................................................................................. 4
2.1 Block Diagram.................................................................................................................................................................... 5
2.2 PCB Storage and Handling Recommendations................................................................................................................. 6
2.3 Heat Sink and Temperature............................................................................................................................................... 6
2.4 AWR1843AOPEVM Antenna............................................................................................................................................. 8
2.5 Switch Settings................................................................................................................................................................. 11
2.6 LEDs................................................................................................................................................................................. 11
2.7 Connectors....................................................................................................................................................................... 13
2.8 AWR1843AOPEVM Muxing Scheme............................................................................................................................... 20
2.9 Modular, MMWAVEICBOOST, and DCA1000 Mode........................................................................................................ 20
2.10 PC Connection............................................................................................................................................................... 24
2.11 Power Supply Optimization............................................................................................................................................ 24
3 Design Files and Software Tools ......................................................................................................................................... 27
3.1 Hardware.......................................................................................................................................................................... 27
3.2 Software, Development Tools, and Example Code.......................................................................................................... 27
3.3 LDO Bypass Requirement............................................................................................................................................... 27
4 References ............................................................................................................................................................................ 28
List of Figures
Figure 2-1. AWR1843AOPEVM Top View................................................................................................................................... 4
Figure 2-2. AWR1843AOPEVM Bottom View.............................................................................................................................. 5
Figure 2-3. Block Diagram of the AWR1843AOPEVM................................................................................................................ 5
Figure 2-4. Duty Cycle versus Junction Temperature.................................................................................................................. 6
Figure 2-5. Heat Sink CAD Drawing............................................................................................................................................ 7
Figure 2-6. Heat Sink Placement................................................................................................................................................. 7
Figure 2-7. AWR1843AOP Antenna Placement MIMO Array...................................................................................................... 8
Figure 2-8. Orientation of the AWR1843AOP Relative to the PCB.............................................................................................. 8
Figure 2-9. Measured Azimuthal Radiation Pattern for All Tx to Rx Pairs (Corner Reflector Placed at 4.5 Meters with a
1.75-GHz Bandwidth Chirp Starting at 77.75 GHz).................................................................................................................. 9
Figure 2-10. Measured Elevation Radiation Pattern for All Tx to Rx Pairs (Corner Reflector Placed at 4.5 Meters with a
1.75-GHz Bandwidth Chirp Starting at 77.75 GHz)................................................................................................................ 10
Figure 2-11. AWR1843AOPEVM Switches................................................................................................................................ 11
Figure 2-12. Location of LEDs on PCB...................................................................................................................................... 12
Figure 2-13. 5-V Power Connector (J5)..................................................................................................................................... 13
Figure 2-14. USB Connector (J1).............................................................................................................................................. 14
Figure 2-15. DCA1000 HD Connector (J11).............................................................................................................................. 15
Figure 2-16. MMWAVEICBOOST HD Connector (J2)............................................................................................................... 16
Figure 2-17. I2C Connector (J3)................................................................................................................................................ 17
Figure 2-18. BT/JTAG Connector (J7)....................................................................................................................................... 18
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SPRUIX8 – MARCH 2021
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