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STM8L101F1P3ATR Fiches technique(PDF) 36 Page - STMicroelectronics

No de pièce STM8L101F1P3ATR
Description  8-bit ultralow power microcontroller with up to 8 Kbytes Flash multifunction timers, comparators, USART, SPI, I2C
PDF  81 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM8L101F1P3ATR Fiches technique(HTML) 36 Page - STMicroelectronics

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Unique ID
STM8L101xx
36/81
Doc ID 15275 Rev 11
8
Unique ID
STM8L101xx devices feature a 96-bit unique device identifier which provides a reference
number that is unique for any device and in any context. The 96 bits of the identifier can
never be altered by the user.
The unique device identifier can be read in single bytes and may then be concatenated
using a custom algorithm.
The unique device identifier is ideally suited:
●
For use as serial numbers
●
For use as security keys to increase the code security in the program memory while
using and combining this unique ID with software cryptograhic primitives and protocols
before programming the internal memory
●
To activate secure boot processes.
Table 12.
Unique ID registers (96 bits)
Address
Content
description
Unique ID bits
76
54
3
2
1
0
0x4925
X co-ordinate on
the wafer
U_ID[7:0]
0x4926
U_ID[15:8]
0x4927
Y co-ordinate on
the wafer
U_ID[23:16]
0x4928
U_ID[31:24]
0x4929
Wafer number
U_ID[39:32]
0x492A
Lot number
U_ID[47:40]
0x492B
U_ID[55:48]
0x492C
U_ID[63:56]
0x492D
U_ID[71:64]
0x492E
U_ID[79:72]
0x492F
U_ID[87:80]
0x4930
U_ID[95:88]



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