Yes..I am using the current data sheet for that part but thanks for pointing that out.  SOmetimes the obvious is what gets you! 


--- On Sun, 5/3/09, peter green <plugwash@p10link.net> wrote:

> From: peter green <plugwash@p10link.net>
> Subject: Re: [PIC] inputs on 18F4420
> To: "Microcontroller discussion list - Public." <piclist@mit.edu>
> Date: Sunday, May 3, 2009, 11:10 AM
> > I have the ADCON1 register set for all digital inputs
> Something to watch for: make sure you are reading the right
> 
> documentation on adcon1 values. The ADC behaviour changed
> between the 
> first and second generation of 18f chips.
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