https://community.nxp.com/t5/MCUXpresso-SDK/UID-for-Kinetis-with-SDK/m-p/1191288#M2912 <P>As a heads-up: The MCUXpresso SDK&nbsp;<SPAN>SIM_GetUniqueId() function can be used to retrieve the unique ID (UID) of the part. I noticed that with using the SDK only 96 of the available 128 bits are retrieved.</SPAN></P><P>I'm using the SDK 2.8.2, and as a workaround I had to set the SIM_UIDH defined.</P><P>More details in</P><P><A href="https://mcuoneclipse.com/2020/11/30/getting-a-96bit-unique-id-for-each-kinetis-device-using-mcuxpresso-sdk/" target="_blank">Getting a 96bit Unique ID for each Kinetis Device using MCUXpresso SDK | MCU on Eclipse</A></P><P>So if you need the full bits, make sure you set that define. I hope this will be fixed in an updated version oft the SDK.</P><P>I hope this helps,</P><P>Erich</P><P>&nbsp;</P> Tue, 01 Dec 2020 05:29:43 GMT ErichStyger 2020-12-01T05:29:43Z https://community.nxp.com/t5/MCUXpresso-SDK/UID-for-Kinetis-with-SDK/m-p/1191288#M2912 <P>As a heads-up: The MCUXpresso SDK&nbsp;<SPAN>SIM_GetUniqueId() function can be used to retrieve the unique ID (UID) of the part. I noticed that with using the SDK only 96 of the available 128 bits are retrieved.</SPAN></P><P>I'm using the SDK 2.8.2, and as a workaround I had to set the SIM_UIDH defined.</P><P>More details in</P><P><A href="https://mcuoneclipse.com/2020/11/30/getting-a-96bit-unique-id-for-each-kinetis-device-using-mcuxpresso-sdk/" target="_blank">Getting a 96bit Unique ID for each Kinetis Device using MCUXpresso SDK | MCU on Eclipse</A></P><P>So if you need the full bits, make sure you set that define. I hope this will be fixed in an updated version oft the SDK.</P><P>I hope this helps,</P><P>Erich</P><P>&nbsp;</P> Tue, 01 Dec 2020 05:29:43 GMT https://community.nxp.com/t5/MCUXpresso-SDK/UID-for-Kinetis-with-SDK/m-p/1191288#M2912 ErichStyger 2020-12-01T05:29:43Z