That unique ID can be used to restrict even software to run on a device (or to run with a device).My first thought was to use the UID to identify devices in my network. I was not able to find a similar information for Kinetis UID. At least for Freescale i.MX the UID contains die X/Y cooardinates, waver number and lot ID (see this forum question). There must be a logical pattern which reflects the fabrication process. I was wondering how the UID is formatted. According to a response in the Freescale forum this ID is even unique across the Kinetis family! Format of UID? The first question which came to my mind was if that ID is unique only within the microcontroller family (e.g.
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