> 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

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