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STM8S103F2M3TR Datasheet(PDF) 47 Page - STMicroelectronics

No. de pieza STM8S103F2M3TR
Descripción Electrónicos  Access line, 16 MHz STM8S 8-bit MCU, up to 8 Kbytes Flash, data EEPROM,10-bit ADC, 3 timers, UART, SPI, I²C
PDF  113 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM8S103F2M3TR Datasheet(HTML) 47 Page - STMicroelectronics

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Unique ID
9
The 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 15: Unique ID registers (96 bits)
Unique ID bits
Content
description
Address
0
1
2
3
4
5
6
7
U_ID[7:0]
X co-ordinate
on the wafer
0x4865
U_ID[15:8]
0x4866
U_ID[23:16]
Y co-ordinate
on the wafer
0x4867
U_ID[31:24]
0x4868
U_ID[39:32]
Wafer number
0x4869
U_ID[47:40]
Lot number
0x486A
U_ID[55:48]
0x486B
U_ID[63:56]
0x486C
U_ID[71:64]
0x486D
U_ID[79:72]
0x486E
U_ID[87:80]
0x486F
U_ID[95:88]
0x4870
47/113
DocID15441 Rev 6
Unique ID
STM8S103K3 STM8S103F3 STM8S103F2



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