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nRF51822 revision 1 programming

egzi

Hi.

I bought an nRF51822 from aliexpress, it happens to be C0 (revision 1) chip. Is it still possible to develop software for this version of chip? I used arduino and platformio with revision 2 (softdevice110 v8.0.0), but on rev1 it didn't work, first problem is the RTC1 cannot be started, counter register is always 0.

I searched on the internet, I found that I need SD110 v5.2.1 and SDK v4.4.2. I found softdevice but SDK is nowhere to be found. Can you provide the SDK or point me where to start with this?

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    Hello,

    Is there a specific requirement for you to use this chip?
    In general I would unfortunately have to recommend that you use a newer chip for any new project you are starting, as this will significantly reduce your development time and workload, and also yield a much better product in the end. Upgrading to a newer chip version will likely also save you a lot of frustration during development, since you will have access to all the tools and resources that we have made available since the release of the nRF51822.

    That is to say: The nRF51822 Rev 1 is old - I think it came out over 10 years ago - so there are a lot of limitations to features and performance compared to newer chip and SDK versions.

    If you intend to create a product with this you will likely also face issues with availability, especially if for the Rev 1 - this is just speculation on my part, if you need more concrete information then you will need to discuss with your Regional Sales Manager directly. Please let me know if you do not know who your Regional Sales Manager is, so that I may provide you with their contact information.

    If you need nRF5 SDK v4.4.2 then you can find it here.

    Best regards,
    Karl

  • 0 in reply to Karl Ylvisaker

    There is no reason for me to work with rev1, other than it happens I have these on hand. At first I didn't know there are revisions with that significant differences. Thank you for clarification, and the SDK. I'm good for now. Regards.

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