Thanks for the reply.  I will look into that avenue for sure!

Dan


> Since it seems that you need Port B for all of this, try
> using a serial
> in/parallel out shift register for the LCD. You could use the
> 3 control bits on
> another port if you wish, and use the shift register for the
> 8-bit data bus.
> That would only take 2 pins of port B there, leaving 6 for
> the buttons or your
> encoder.
>
> Quoting "Mccauley, Daniel H" <daniel.h.mccauley@LMCO.COM>:
>
> > Hello.  I am currently working on a PIC project which will
> utilize a wide
> > variety of I/O which is listed below:
> >
> > Hitachi Controlled LCD (8-Bit Data + 3-Bit control bits)
> > (2) Pushbuttons (which will need wake-on-keystroke capability)
> > (2) Optical Encoder quadrature inputs - Which will require using RB0
> > Interrupt.
> >
> > I am currently looking at using the PIC16C6x series of
> microcontrollers in
> > particular the PIC16C66 since I can add a 32.768kHz clock
> at T10SI and T10SO
> > to provide
> > an internal counter capable of keeping high accuracy seconds.
> >
> > My question is, what is the most effective way to configure
> my I/O with the
> > above requirements.  Can I keep the 8-Bit data bus on Port
> B, and at the
> > same time
> > use Port B also for my two pushbuttons (R4-R7 for interrupt
> on input change)
> > and also have my Optical Encoder's first bit on RB0 for an external
> > interrupt?
> >
> > Any help appreciated.  Thank you.
> >
> > Dan
> >
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> >
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>
>
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