On Thursday 04 February 2010, Timo Boettcher wrote:
> Hi!
> 
>  Is it possible to detect which cpu (out of a given set) is actually
>  connected to my jtag-adapter? For example, if I have a board that can
>  be build with a set of pin-compatible cpus (like at91sam7x128,
>  at91sam7x256, at91sam7x512), can I detect which one is actually present
>  on the board?

Check the documentation for those chips; ISTR that Atmel's
debug modules have some chip identification registers.

Minimally you can look at the register which reports how
much flash you have...

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