Hi,

That's a nice project, also 16F917 has a build-in LCD glass driver, it
drives static and mux glasses. However, just think it over, if a 3.5 digit
needs 14 pins, a very small 97x35 graphic display how many wires would
needed to drive?

Tamas


On 5/12/07, James Newton, Host <jamesnewton@piclist.com> wrote:
>
> I was browsing the site and came on this page today:
>
> http://www.piclist.com/techref/microchip/lcdglassdrive.htm#
>
> 14 I/O's, pull down sips and 4 resistors to drive a 3 1/2 digit, plus
> icons,
> glass with no other support chips. The PIC directly drives the LCD...
> there
> is no LCD controller.
>
> Since the LCD controller is the major cost in most LCDs, extending this
> code
> to support larger matrix type LCDs could be a VERY big deal in the PIC
> open
> source world.
>
> Is that still a fair statement? How big a deal is the LCD controller?
>
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