On Saturday 16 February 2002 00:51, you wrote:
> Does anyone know the internal structure of a PIC's oscillator
> section ? I'm trying to sort out a circuit that can have a crystal
> and a pair of caps plugged in that doesn't require tuning, and
> works over the range of 4-20MHz. I've tried both of the circuits
> suggested by MC for parallel/series crystals but so far neither
> is flexible enough or needs fiddling with over the full range of
> crystals that a PIC (or indeed any other micro) will accept

i think your problem may be in the Oscillator mode in the CONFIG register.
With _XT_OSC, i have been able to use crystals upto 12MHz. The 16 MHz crystal
needed the _HS_OSC to work.

I am not sure, but most likely this is the problem.

Any Comments? others ?

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Sirish.K.A
DeepRoot Linux Pvt. Ltd.
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