https://devzone.nordicsemi.com/f/nordic-q-a/17568/nrf51822-sleep-modesHi All, My question is about available sleep modes in nRF51822. As I can find in nRF51 Series Reference Manual, and Product Specification documents, nRF51822 chip has two essential sleep modes, System-ON and System-OFF . Where the System-OFF isen-USTelligent Community 13Mon, 14 Nov 2016 14:13:13 GMThttps://devzone.nordicsemi.com/thread/67539?ContentTypeID=1Mon, 14 Nov 2016 14:13:13 GMT137ad170-7792-4731-bb38-c0d22fbe4515:2a0845f4-501c-4a9c-a80b-ab6ca6a45d85Aymen Rejeb<p>Thanks Petter</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/67538?ContentTypeID=1Mon, 07 Nov 2016 15:25:51 GMT137ad170-7792-4731-bb38-c0d22fbe4515:74f08467-5089-4f45-910d-1012676e3535Petter Myhre<p>I don&#39;t think you are missing anything, but if you haven&#39;t seen <a href="https://devzone.nordicsemi.com/tutorials/11/">this</a> tutorial, I recommend having a look.</p><div style="clear:both;"></div>