Jake Anderson wrote:

>Analouge gives you the ability to communicate multiple bits of data over
>one line. The question is, how.

VRef pin on some 18F parts (2550, 2520?) can be used as some kind of DAC 
(it has high impedance, though...) with 4 bit resolution; one A/D input, 
and maybe 16 bits on a line is done :)

-- 
Ciao, Dario
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