I had this Nokia LCD i picked up a while back. It is perfect when you want to play with graphics on a tiny lcd that comes from the good old days of Nokia’s Monochome days. Several might have spent days playing space invaders/snakes etc.
The time came when I was bored in my hotel room and I had it in my parts bin which i was carrying while moving from Delhi to Pune.
The LCD used a Phillips PCD 8544 Driver which communicates on SPI.The voltage levels are
2.7-3.3V happy for our MSP430.
NYC has a pretty nice explanation on how it works and how to play with it with MSP430 over on his blog
The LCD has the following pins to interface to:
|Pin Number||Pin Label||Pin Function||Input/Output?||Notes|
|1||VCC||Positive power supply||Input||Supply range is between 2.7V and 3.3V|
|3||SCE||Chip select||Input||Active low|
|5||D/C||Mode select||Input||Select between command mode (low) and data mode (high).|
|6||DN(MOSI)||Serial data in||Input|
|8||LED||LED backlight supply||Input||Maximum voltage supply is 3.3V.|
The display is divided into 6 horizontal bands of 8 bits each (48) and 84 columns .
At a time you write to a single bank.
And you can continue to update only a single bank just in case you have dynamic data in that particular bank.
The communication is done using SPI.
The code that i used is based on RobG’s post.
It displays the temperature (from the internal sensor ofcourse!) and some static text
Connections are as follows(PORT1):
Just incase you need to play more with graphics see this cool post by Sparkfun
If you have any difficulties post here in comments