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STM8S207MBT3C Datasheet(PDF) 51 Page - STMicroelectronics |
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STM8S207MBT3C Datasheet(HTML) 51 Page - STMicroelectronics |
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51 / 103 page ![]() STM8S207xx, STM8S208xx Unique ID Doc ID 14733 Rev 9 51/103 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 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 crytograhic primitives and protocols before programming the internal memory. ● To activate secure boot processes Table 14. Unique ID registers (96 bits) Address Content description Unique ID bits 76 54 3 2 1 0 0x48CD X co-ordinate on the wafer U_ID[7:0] 0x48CE U_ID[15:8] 0x48CF Y co-ordinate on the wafer U_ID[23:16] 0x48D0 U_ID[31:24] 0x48D1 Wafer number U_ID[39:32] 0x48D2 Lot number U_ID[47:40] 0x48D3 U_ID[55:48] 0x48D4 U_ID[63:56] 0x48D5 U_ID[71:64] 0x48D6 U_ID[79:72] 0x48D7 U_ID[87:80] 0x48D8 U_ID[95:88] |
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