Tony wrote:
I've yet to find a microcontroller where the
binary opcodes aren't
documented.
Aside from the previously mentioned smartcard chips, there have been
several others such as the Motorola MC143120/3150 and Toshiba TMPN3120/3150.
Sigh. They're not too exciting now, but I might have designed them into
things years ago if Echelon hadn't been such secretive jerks.