On Tue, 19 Mar 2002, Doug Hemingway wrote:

> I have looked at the signals with a scope and find that the RB7 pin (busy
> flag from the LCD) is oscillating 4 MHZ at 1 volt with a sawtooth waveformm
> whether connected to the LCD or not.
>
> I've tried pullups, pulldowns, capacitor filtering all with no effect.
>
> A test using the port as output only (a simple walking 1 output program)
> works fine.

Hmmm...  have you examined it closely enough to be sure the T1 oscillator
is not turned on?  I'd really expect that to mess with RB6, but you never
know.  That's the only thing that comes to mind.

Dale

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