Yes, but in the datasheet it shows the PLL feed coming from the side of =
the inverter box, not the
OSCIN pin - I was wondering if this had some subtle meaning..... maybe =
I'm just being paranoid but
the fact that it is not explicitly stated in the datasheet worried me. I =
wonder if there maybe are
some duty cycle criteria on an external clock to keep the PLL happy.=20


On Thu, 13 Feb 2003 20:28:53 +0100, you wrote:

>> Looking at the 18Fxx2 datasheet, it says that the PLL can
>> only be used in HS crystal mode, but it's
>> not clear whether or not you can apply an external clock in
>> HS mode and use the PLL - anyone know if
>> this is possible ?
>
>Reasoning from the basics (HS is just a gain setting of the oscillator
>amplifier) it should be possible.
>
>Wouter van Ooijen
>
>-- -------------------------------------------
>Van Ooijen Technische Informatica: www.voti.nl
>consultancy, development, PICmicro products

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