Identifier in the InfoPage??

[Gustav]

Hi

In nRFgo Studio there is an option to read the entire memory of a chip. In my case nRF24Le1 to a .mhex file.

The first lines of the .mhex file says: Infopage: Identifier (0x00-0x0F): 0x5A 0x5A 0x43 0x30 0x52 0x30 0x34 0x38 0x06 0x08 0x1E 0x65 0x0D 0x43 0x11 0x72

Is this identifier unique for every chip? Or is it a 1 in a million chance of having two identical?

I want to read the Identifier, from the MCU. I guess that is possible?

[Hung Bui]

@Gustav: The Identifier is generated randomly when in production, not a unique number for each chip. So there is a chance that we have 2 devices with same identifier, but it's small, should be one in 2^40. The chip ID is from address 0x0B to 0x0F.

Yes you can read the identifier from MCU.

ReadInfoPage.zip

[Hung Bui]

@Gustav: I haven't tested on SDCC, on Keil I have to set the Memory to Small, so that the variable will not be located in xdata, because the infopage will occupy the xdata address area when enabled.

Did it work for you in SDCC ?