https://devzone.nordicsemi.com/f/nordic-q-a/38133/nrf52840-versionsHello, We have received in april 2018 nRF52840 QFN packages nRF52840-QIAA-R marked as well QIAA-R-SAM. We would like to know to which version they are related : A, B, C, D QIAA-nA0 ? We develop software with Demo Kit marked 18.03, is it the sameen-USTelligent Community 13Tue, 04 Sep 2018 07:33:12 GMThttps://devzone.nordicsemi.com/thread/147098?ContentTypeID=1Tue, 04 Sep 2018 07:33:12 GMT137ad170-7792-4731-bb38-c0d22fbe4515:cf9c18db-95a7-475c-80ca-c9f265fbadb2Kenneth<p>Hi,</p> <p>All chips and boxes should be labeled according to:<br /><a href="http://infocenter.nordicsemi.com/topic/com.nordic.infocenter.nrf52840.ps/ordering_info.html?cp=2_0_0_9">http://infocenter.nordicsemi.com/topic/com.nordic.infocenter.nrf52840.ps/ordering_info.html?cp=2_0_0_9</a>&nbsp;</p> <p>You can find an overview of build codes here:<br /><a href="http://infocenter.nordicsemi.com/topic/com.nordic.infocenter.nrf52/dita/nrf52/compatibility_matrix/nRF52840_ic_revision_overview.html?cp=2_0_2_0">http://infocenter.nordicsemi.com/topic/com.nordic.infocenter.nrf52/dita/nrf52/compatibility_matrix/nRF52840_ic_revision_overview.html?cp=2_0_2_0</a>&nbsp;</p> <p>FYI: Engineering C and Revision 1 are identical, the only difference is that Engineering C was made prior to product have gone through our qualification and transferred to mass production. Engineering A and Engineering B are early hardware revision samples that was never intended for mass production.</p> <p>Best regards,<br />Kenneth</p><div style="clear:both;"></div>