Driving a LCD Using a PIC16F84A

This site: http://www.datasheetarchive.com/ is a pretty good resource for datasheets.

For getting sample program and data sheet, you could find in www.analog.com.

kotuu2

Go to the site alldatasheets.com Where u'll fine any data sheet in world.

I hate to differ, but I have looked for many a chip on that site and not found them (but nowhere else either). Sure, I have found a lot of datasheets on that site, and I think it is a good site. But to say "u'll find any datasheet in the world" is nowhere near the truth.

Mike

I'm not sure if you're question is about data sheets or how to drive the LCD.

Personally when I've done small PIC projects I've used the software MikroBasic from www.mikroe.com (...no affiliation to me...)since the software is very well developed, you program in a language you know (C, Basic or Pascal) and there's lots of premade libraries...specifically ones for driving LCD screens and the wiring connections needed to do so. I would at least take a look. You could compile a simple program from their examples and take a look at the assemebly language it outputs. Their software is free for small projects with less than 2000 lines of compiled code.

By the way, if this is part of a bigger project I would look at the 16F88 PIC because it replaced the 16F84 series, is cheaper and much more capable. Someone gave me the same tip and I've now got a bunch of them in my drawer.

There are a lot of projects out there using i2c and SPI busses to drive LCD screens instead of using the MANY wires to drive one directly or the QUITE-A-FEW needed to drive a fairly generic LCD with an on-board driver circuit.

Good luck!