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Programming nRF52 at 1.8V ?

F.lemke

Hi All,

We received a new design with a nRF52 powered at 1.8V. We are using a JLINK probe with the SW protocol for the burnin code. When we apply 1.8V we can’t program / burn in our code, even by using your example code. But when we apply the power supply up to 3.3V we can program / burn in our code. Moreover the firmware is running at 1.8V

Does it possible to program the device at 1.8V?

Regards,

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  • 0

    Hi

    Which of the J-Link programmers do you have?

    Most of them support 1.2-5V programming, and should work fine at 1.8V, but some of the cheaper ones are 3.3V only. The J-Link lite programmers provided with earlier Nordic kits also had this limitation.

    For a full overview of the various J-Link variants, please look here.

    Best regards
    Torbjørn

Reply
  • 0

    Hi

    Which of the J-Link programmers do you have?

    Most of them support 1.2-5V programming, and should work fine at 1.8V, but some of the cheaper ones are 3.3V only. The J-Link lite programmers provided with earlier Nordic kits also had this limitation.

    For a full overview of the various J-Link variants, please look here.

    Best regards
    Torbjørn

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