Great! But... Isn't it that this 32 KHz crystal can create some conflict
seeing there is also a 4 Mhz crystal as well??

I have the impression this is a silly question...

On 7/21/07, Jinx <joecolquitt@clear.net.nz> wrote:
>
> > What may be not clear enough for me is the way I can implement
> > the third option (32 KHz crystal).
>
> Put a 32kHz crystal across pins T1OSO (11) and T1OSI (12) with
> caps to ground from those pins, 33pF is about right
>
> I can find an 18F452 project using TMR1 oscillator (the F877 one I
> was looking for is tucked away on a CD). Should be the same
>
> bsf   t1con,t1oscen ; enable oscillator
> bsf   t1con,tmr1cs ; select count source
> bsf   t1con,tmr1on ; start
>
> As you're maybe not doing anything too critical, I think use the TMR1
> interrupt
>
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