|Description||CMOS 0 to 44 MHz Single-Chip 8 Bit Microcontroller|
|TSC80C31-36MYR/883 Datasheet PDF : 19 Pages |
TSC80C31/80C51 with Secret TAG
TEMIC offers special 64-bit identifier called “SECRET
TAG” on the microcontroller chip.
The Secret Tag option is available on both ROMless and
The Secret Tag feature allows serialization of each
microcontroller for identification of a specific
equipment. A unique number per device is implemented
in the chip during manufacturing process. The serial
number is a 64-bit binary value which is contained and
addressable in the Special Function Registers (SFR) area.
This Secret Tag option can be read-out by a software
routine and thus enables the user to do an individual
identity check per device. This routine is implemented
inside the microcontroller ROM memory in case of
masked version which can be kept secret (and then the
value of the Secret Tag also) by using a ROM Encryption.
For further information, please refer to the application
note (ANM031) available upon request.
Rev. E (14 Jan.97)
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