Following up on my problem,
I solved it today. I had brown-out reset enabled and it would run down to
4V but then the reset cut in. Once it was disabled it worked fine.

Wesley

On Sat, Feb 09, 2002 at 07:19:58AM +1100, Wesley Moore wrote:
> Hi All,
> Sorry forgot the [PIC] tag the first time....
> I was hoping you might be able to help me. I have a project that is using a
> PIC16LF876. It is intended to run on 3.3V but I can't get it to do so. It
> runs fine at 5V. The problem seems to be the oscillator, I have looked at the
> OSC pins with a CRO and it doesn't appear to be oscillating when powered
> from 3.3V. I have tried a 4Mhz resonator and a 4Mhz crystal with the
> associated capacitors of various values from 10pF to 22pF and also tried
> adding a resistor like it says in the reference manual. I have the config
> set to the XT mode. Does anyone have any tips for making the thing
> oscillate at 3.3V?
>
> Wesley

--
Wesley Moore      http://yallara.cs.rmit.edu.au/~wmoore/
RMIT - BEng (Comp Sys Eng)/BApp.Sc. (Comp Sci)  4th Year

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