On Tue, 11 Jun 2002, Lyle Killough wrote:

>  . . . Disclaimer . . .  I have never even read the F877 data sheet

I have...

> Are you maybe having trouble charging the input capacitance of the ADC
> through 50k?  I kind of remember a 5k recommended maximum on the data
> sheets for some of the other PICs with analog inputs.

10K.  That's the spec maximum input impedance, meaning you can use a 20K
pot at most (right??).

Dale

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