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Firmware Security - Production code

Spincraft
Intellectual 455 points
Other Parts Discussed in Thread: CC2530

Hi,

This question deals with how to protect the Firmware when the product goes out to the customers hands and how to upgrade the Flash in the field. The Flash lock is good for blocking out-right copying of the firmware, but how are field upgrades done? For CC2530 can the USB port be used for Flash upgrades instead of using the Debug port & CC Debugger? I am trying to avoid recalling all units back to the Factory just to perform Flash upgrades. Sending out CC Debuggers to all customers is not a work-able solution. Any suggestions are welcome.

Thanks in advance,

Spincraft