> If you are using a grown up MPU, then get the one with the peripherals
> you need to avoid bit bashing if possible (unless you are trying to
> shave 1/10ths of a penny off product cost). =A0If not then you probably
> have enough CPU horsepower to handle most stuff within interrupts.

Given the  comments on multiple  non standard and/or proprietary
interfaces, perhaps a "Propellor" may be a good choice?

                   http://www.parallax.com/propeller/
                   http://en.wikipedia.org/wiki/Parallax_Propeller

(Ducks ...  :-) )



      R

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