Since your module seems to have an single input data-pin,
I guess it's s some kind of serial interface. HD44780
is 8/4 bit parr interface...

 > Unfortunately, I've never communicated with an LCD.

I guess that *this one* is not the right one to start with...

Regards,
Jan-Erik.



Paul Anderson skrev:
> I have an optrex IM50240 LCD, with an HD44100H controller chip.  I've
> managed to find a pin out for the ribbon cable, but not much more.
> The pinout is thus:
> 
> 1 - input data
> 2- latch clock
> 3- shift clock
> 4- input square waves of 50% duty cycle
> 5- NC
> 6- Vcc +5v
> 7- GND -
> 8- SW1 CLEAR
> 9- SW2 SECURE
> 10 CHASSIS GND
> 
> Unfortunately, I've never communicated with an LCD.  Can someone point
> me in the direction of some code to make it work?  Does the HD44100
> work similarily to the HD44780?  Any help is greatly appreciated.
> 
> 

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