preventing clone with mcf5441x

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preventing clone with mcf5441x

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gachen
Contributor I

HI,

 

   I search the reference manual , but I can't find any thing like unique chip id.  If there is no such unique id available in chip, how can we design a system that preventing clone? Thanks!

 

 

Br, gachen

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TomE
Specialist II

External chip with a serial number, like one of the Maxim/Dallas OneWire chips.

 

Tom

 

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TomE
Specialist II

External chip with a serial number, like one of the Maxim/Dallas OneWire chips.

 

Tom

 

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gachen
Contributor I

I manage to get a SPI flash with factory OTP, which can be used as a unique id

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