STM8S103F2 datasheet(49/121 Pages) STMICROELECTRONICS

部件名	STM8S103F2

功能描述	Access line, 16 MHz STM8S 8-bit MCU, up to 8 Kbytes Flash, data EEPROM,10-bit ADC, 3 timers, UART, SPI, I²C

PDF	121 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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49 / 121 page

DocID15441 Rev 14

49/121

STM8S103F2 STM8S103F3 STM8S103K3

Unique ID

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 byte 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 cryptographic primitives and

protocols before programming the internal memory.

•

To activate secure boot processes

Table 15. Unique ID registers (96 bits)

Address

Content

description

Unique ID bits

76543

210

0x4865

X co-ordinate on

the wafer

U_ID[7:0]

0x4866

U_ID[15:8]

0x4867

Y co-ordinate on

the wafer

U_ID[23:16]

0x4868

U_ID[31:24]

0x4869

Wafer number

U_ID[39:32]

0x486A

Lot number

U_ID[47:40]

0x486B

U_ID[55:48]

0x486C

U_ID[63:56]

0x486D

U_ID[71:64]

0x486E

U_ID[79:72]

0x486F

U_ID[87:80]

0x4870

U_ID[95:88]

STM8S103F2 数据表(PDF) 49 Page - STMicroelectronics

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