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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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    Hi TorbJorn,

    Thank for your reply,

    Here below is the JLINK programmer specfication www.segger.com/.../

    So for you there is no limitation coming from nRF52 device ? I mean we can program the chip even at 1.7V or even below ?

    Thanks,

    EDIT: Hardware issue, we can program/erase the nRF device down to 1.7V without any problem. However if we go below 1.7V we can't program/erase it. (as specify in the recommended spec)

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  • 0

    Hi TorbJorn,

    Thank for your reply,

    Here below is the JLINK programmer specfication www.segger.com/.../

    So for you there is no limitation coming from nRF52 device ? I mean we can program the chip even at 1.7V or even below ?

    Thanks,

    EDIT: Hardware issue, we can program/erase the nRF device down to 1.7V without any problem. However if we go below 1.7V we can't program/erase it. (as specify in the recommended spec)

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