Perhaps diff versions of the datasheet.  6.6-1 of mine says:
"Setting the T1OSCEN and TMR1CS bits to '1'
will enable the LP oscillator to clock TMR1 while
the microcontroller is clocked from either the
INTOSC or LP oscillator. Note that the T1OSC
and LP oscillators share the same circuitry.
Therefore, when LP oscillator is selected and
T1OSC is enabled, both the microcontroller and
the Timer1 module share the same clock
source."

The first statement there says that I can do this -- ie: separate INTOSC for 
the microcontroller and the LP oscillator (with 32.768khz external crystal) 
to clock TMR1.

But the next 2 statements say that they are the same oscillator, and hence 
both the microcontroller and Timer1 module will have the same clock source.

Cheers,
-Neil.


On Wednesday 13 June 2007 03:48, Jan-Erik Soderholm wrote:
> I can not see what section 6.6 ("Timer 1 Gate") has to do with that...
> (DS41250F)
>
> Jan-Erik.
>
> PicDude wrote:
> > Perhaps due to my low blood-caffeine level, but I seem to be confused
> > with the datasheet's explanation of this... On a PIC16F913, can I setup
> > Timer 1 as an oscillator with a 32.768 watch crystal on the T1OSI and
> > T1OSO pins while the microcontroller is still clocked from the internal
> > oscillator at 8Mhz?
> >
> > Somehow in the datasheet, the third sentence in section 6.6 (1) seems to
> > contradict the previous statements.
> >
> > Cheers,
> > -Neil.
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