128 bit unique serial number - too many bits!

Discussions about all user software around SAM Series.

Moderator: nferre

Posts: 1
Joined: Wed Sep 02, 2015 11:02 pm

128 bit unique serial number - too many bits!

Wed Sep 30, 2015 11:31 pm

Is there an explanation anywhere of details on the unique id stored in the various SAM devices?

128 bits is just too many for a unique id for doing look-ups in a database table. 64 bits is even unnecessary but not unreasonable.I would like to ditch half of the 128 bits.

I can only find references that say The uniqueness of the serial number is guaranteed only when using all 128 bits (i.e., all the four words - val1, val2, val3 and val4).

At least Atmel is thinking big, but seriously!

..thanks, Tom

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