I did send a correction email immediately after that one correcting my
typo(within 5 minutes)


-----Original Message-----
From: Olin Lathrop [mailto:olin_piclist@EMBEDINC.COM]=20
Sent: 20 January 2004 14:33
To: PICLIST@MITVMA.MIT.EDU
Subject: Re: [PIC:]18F452 A2D problem

Mark Beetge [ MTN - Harrington Street ] wrote:
> In this configuration, the A2D result reads full scale (3F) when the
> input voltage is only about 3.52V.

3Fh is never full scale no matter how you set up the A/D.  The 18F452
has a
10 bit A/D, the result of which can be either right or left justified
into a
16 bit integer.  Full scale is therefore either 3FFh or FFC0h.


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