CMS32L051 User Manual |Chapter 24 Security Features
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24.3.8 Product unique identification register
A product's unique identification is ideal for:
• Used as a serial number (e.g. USB character serial number or other terminal application).
• Used as a password, this unique identifier is used in conjunction with a software encryption and
decryption algorithm when writing flash memory to improve the security of the code in flash memory.
• Used to activate the bootstrap process with a safety mechanism
The reference number provided by the 128-bit unique product identifier is unique to any BAT32
microcontroller and is unique in any case. Under no circumstances can the user modify this identity.
Base address: 0x0050_0894
Address offset: 0x00
Read-only, whose values are written at the factory
Address offset: 0x04
Read-only, whose values are written at the factory
Address offset: 0x08
Read-only, whose values are written at the factory
Address offset: 0x0C
Read-only, whose values are written at the factory
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