3595i LCD – First Signs of Life

first_signs_of_lifeEven a small success is a success. I have for the first time seen a reaction from the LCD screen I pulled out of my nokia 3595i. Although I had some code on hand from other Internet sources I couldn’t get any response from the screen. Please forgive this photo, I don’t have a suitable back light set up for this display so you see an LED filtered by a piece of paper behind the display.
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LCD – a whole lot of nothin’

LCD from Nokia 3595 connected to breadboard (not working)

LCD from Nokia 3595 connected to breadboard (not working)

I did do a bit of work with the 3595 lcd screen.  I’ve got the circuit hooked up as I think it should and I ported the mega8 code for a tiny2313.  Once everything was fired up I get nothing.

In order to fit the mega8 code in the 1k programming space of the smaller chip I had to take out everything related to strings.  This should not have broken the initialization of the screen itself so I try to do a full write and full clear but I can see not response from the display.  I took a look at the datasheet for controller in this board; initialization is quite complicated require setup not only of the data in memory but the power supply built into the controller.  I’m putting this one on the back burner for a while.

Feel free to leave comments if you have any advice.  I might try to build an oscilloscope (or an interface to use my computer as one) before I continue.  Without it I’m kind of flying blind with getting this working.

3595 LCD Interface – Preliminaries

LCD Removed from Nokia 3595

LCD Removed from Nokia 3595

Here’s a big project.  Right now I’m scouring the interwebs for info from folks who have already done this.  I think this may be extremely difficult due to the fact that I don’t have an oscilloscope.  Here’s some links that I’ve dredged up:

http://www.embedds.com/interfacing-nokia-3510i-lcd-to-pic16f84/

http://www.comunicom.com.py/juno/3595/

http://translate.google.com/translate?u=http%3A%2F%2Fhobbyelektronik.org%2FVB%2FgLCD%2FS1D15G14%2F&langpair=de|en&hl=en&ie=UTF-8&oe=UTF-8&prev=%2Flanguage_tools

http://www.xmail.net/martin-k/display.htm

http://www.avrfreaks.net/index.php?name=PNphpBB2&file=viewtopic&t=53847&highlight=3510i

This is the most promising link.  If I can port this over to the ATtiny2313 I should be able to make this happen.  I need to port it because I don’t have any of the mega8L on hand (low voltage mega8 chips) but the tiny2313 will run at 8mHz with only 3v.  This is necessary because the LCD has a max voltage of 4v.

http://translate.google.com/translate?hl=en&sl=de&u=http://hobbyelektronik.org/Elo/AVR/3510i/index.htm&sa=X&oi=translate&resnum=8&ct=result&prev=/search%3Fq%3Davr%2B3510i%26start%3D10%26hl%3Den%26sa%3DN