@ktadd
Rogue has already told us (albiet indirectly via logic) that it is a dual-core PPC processor.

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@ktadd

Quote:

A single core PPC processor as the main processor which drives some multiprossor chip like XMOS or similiar

This seems more affordable if nothing else

@ktadd

Quote:

Ok, here is my wild guess...

This actually sounds realistic to me, although like others, I'm not clear on the application that would motivate this type of architecture. Perhaps, however that is the whole point -- to keep it open, as the clues suggest.