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AWR1843BOOST: Why one USB connection supports two Ports(COM & LPT)?

Lei
Expert 2050 points
Part Number: AWR1843BOOST

When connect USB cable between AWR1843Boost and my PC, in the device manager, two XDS110 ports appear. 

I am not quite understand why one USB interface can establish two Ports(COM & LPT) connections: Application and Data? Could you please explain it?

Thanks

  • +1
    TI__Mastermind 35985 points

    Hello Lei,

    The 2 UART ports are required in the device as we use one oof the UART ports(application) to send the commands to the device over the UART for the configuration like the profilecfg, chirpcfg, etc. The data port is used to receive the processed data from the device (for example: streaming the object detected data in the Demo application)
    Specifically, why we needed two ports is, so that in case even if the device is busy sending the output data over UART, using the other port you can issue configuration commands over the board, like for example: SensorStop during an ongoing frame.

    Regards,
    Saswat Kumar

  • 0 in reply to Saswat Kumar
    Expert 2050 points

    thank you.