https://devzone.nordicsemi.com/f/nordic-q-a/29973/chip-marking-of-nrf51822Is there any chip marking information has been stored in the chip? Can we use any command to get the chip marking for NRF21822 from the EEPROM?en-USTelligent Community 13Tue, 30 Jan 2018 13:21:00 GMThttps://devzone.nordicsemi.com/thread/119187?ContentTypeID=1Tue, 30 Jan 2018 13:21:00 GMT137ad170-7792-4731-bb38-c0d22fbe4515:71a64282-4531-40d8-878c-75c6a413c77aJoakim Jakobsen<p>Hi pcwang!</p> <p>I&#39;m afraid there is limited information like that stored in the nRF51822.<br /> However, you can take a look at the FICR - Factory Information Configuration Registers (Chapter 7.3), in the <a href="http://infocenter.nordicsemi.com/topic/com.nordic.infocenter.nrf51/dita/nrf51/pdflinks/ref_manual.html?cp=3_2">nRF51 Reference Manual</a>.</p> <p>There is not much information available for the nRF51-series, as compared to the <a href="http://infocenter.nordicsemi.com/topic/com.nordic.infocenter.nrf52832.ps.v1.1/ficr.html?resultof=%22%46%49%43%52%22%20%22%66%69%63%72%22%20">nRF52-series</a>, where you can get information like Part code, Part variant, package option and RAM/FLASH variant.</p> <p>Best regards,<br /> Joakim.</p><div style="clear:both;"></div>