https://devzone.nordicsemi.com/f/nordic-q-a/41229/the-mac-address-issuenrfjprog -f NRF52 --memrd 0x100000a4 --n 8 0x100000A4: ACAFE032 7AC54CAF this is read by nrfjprog scipt as above and as below it is read by sd_ble_gap_addr_get. 0xCCAFACAFE032. why the highest bit is different?en-USTelligent Community 13Wed, 05 Dec 2018 08:08:41 GMThttps://devzone.nordicsemi.com/thread/160315?ContentTypeID=1Wed, 05 Dec 2018 08:08:41 GMT137ad170-7792-4731-bb38-c0d22fbe4515:f6ff4b5f-e37c-4c52-952d-f8797664364erun_ar<p>This is dictated by the bluetooth core specification:</p> <p><img src="https://devzone.nordicsemi.com/resized-image/__size/320x240/__key/support-attachments/beef5d1b77644c448dabff31668f3a47-7e95336b2e1e45b2949c0cfe59be0067/pastedimage1543997314612v1.png" alt=" " /></p><div style="clear:both;"></div>