Different behaviour on 2 same boards

[julienD]

Hello,

I have different behaviour with 2 identical boards. 

They behave differently (at least for BLE functions).

With jlink interface, I saved the flash binary of the "working" board and loaded it to the "non working" one. I did check by saving the second one that the flash process was successfull.

They still behave differently. So my question is:

Are there other parameters to be set that are not stored in flash, like option bytes on some other platforms or should I consider a hardware issue?

Thanks

Julien

[awneil]

julienD said:

They behave differently

In what way(s), exactly?

julienD said:

2 identical boards

In the real world, no two things are ever truly identical - there are always (slight) variations.

Plus, there is the possibility that one may be faulty / damaged - or even incorrectly manufactured.

[julienD]

What happens? I can't see ble advertising on my phone with the faulty one.

I agree that no real world things can be identical, that's why I want to be sure that all the things that can be identical (flash and other things that I am looking for) are identical before saying that the board is faulty.

[awneil]

So have you used the debugger to see what's going on?