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how to use direct test mode in nrf52840?

mayuri

Hi all

I want to check my nrf52840 custom certification.i need to do radio test in my custom board.They are asking direct test mode with PSRB9. I m using direct test mode in sdk 15.2.I m unable to send dtm_cmd via UART.Explain step by step procedure it ll be helpful for me.Thanks in advance

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    Hi,

     

    DTM is supposed to be used with a Bluetooth tester. If you want to  verify that it works the easiest is to use a nRF52840 DK as UART bridge

    1. Cut SB40 and SB41 on the DK to cut power to the nRF52840 on the DK.
    2. Connect P0.06 and P0.08 to the RXD and TXD pins on your DUT.
    3. Connec the DK to a PC using the USB cable
    4. Use nRFgo Studio to send valid commands

     

    Best regards,

    Andreas

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  • 0

    Hi,

     

    DTM is supposed to be used with a Bluetooth tester. If you want to  verify that it works the easiest is to use a nRF52840 DK as UART bridge

    1. Cut SB40 and SB41 on the DK to cut power to the nRF52840 on the DK.
    2. Connect P0.06 and P0.08 to the RXD and TXD pins on your DUT.
    3. Connec the DK to a PC using the USB cable
    4. Use nRFgo Studio to send valid commands

     

    Best regards,

    Andreas

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