At 10:13 AM 9/16/97 -0700, you wrote:
>I want to be able to run my PIC16c71 at 3.3V, but be able to have VREF set
>to 5V so that I can sense 0 to 5V on the analog input pins with the A/D
>converter.
>
>Is this possible?  The specs seem to indicate that pins must have a level
>from
>-0.3V to VDD+0.3V with respect to VSS.  That would seem to indicate it
>isn't possible.  I'd appreciate hearing from anyone who has tried it.

Hi Anil.

It doesn't work.  Vref really needs to be 3.0V to (Vdd+.3V) for proper
operation.

What's happening on your side of the world?  We have the KRC Electric Fly
this weekend - everybody will be there.  Even guys with e-choppers.

Andy

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Andy Kunz - Montana Design - 409 S 6th St - Phillipsburg, NJ 08865
          Hardware & Software for Industry & R/C Hobbies
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