STM8AF6213 datasheet(52/112 Pages) STMICROELECTRONICS

部件名	STM8AF6213

功能描述	Automotive 8-bit MCU, with up to 8-Kbyte Flash memory, data EEPROM, 10-bit ADC, timers, LIN, SPI, I²C, 3 to 5.5 V

PDF	112 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

52 / 112 page

Unique ID

STM8AF6213/13A/23/23A/26

52/112

DS9884 Rev 9

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 22. Unique ID bit description

Address

Content

description

Unique ID bits

765

0x4865

X coordinate

on the wafer

U_ID[7:0]

0x4866

U_ID[15:8]

0x4867

Y coordinate

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]

STM8AF6213 数据表(PDF) 52 Page - STMicroelectronics

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