Sorry, I forgot to post these interesting links explaining the ARM microprocessor/microcontroller:

http://www.mdronline.com/tl/embedd...es_c7.html

And a bunch of PDF files about embedded microprocessors, including ColdFire (improved 68000), 8051XA and others:

http://www.mdronline.com/embedded/index.html

Bye again,
Enrique.