The 16×2 Character LCDs have their own limitations.
The Graphical LCDs are thus used to display customized images and characters.
GLCD used in many application such as video games, mobile phones.
LCD has a display format of 128×64 (resolution) dots.
There are 64 horizontal lines and each line has 128 pixels.
The glcd has a graphic RAM where each bit in ram corresponds to one pixel on screen.Glcd screen will change when we modifiy the content of graphic ram.
The 128×64 LCD is divided into two equal halves.
Whole LCD is divided equally into pages.
Each half being controlled by a separate KS0108 controller.
128×64 LCD it have 128 columns and 64 rows. In total there are (128×64 = 1024) pixels.
128×64 LCD is divided equally into two halves. Each half is controlled by a separate controller and consists of 8 pages.
Controller can select by CS (chip select).
Each page consists of 8 rows and 64 columns.
Two horizontal pages make 128 (64×2) columns and 8 vertical pages make 64 rows (8×8).
Glcd Pin Configuration
// include the fonts
// Select the font for the defapt text .
// set the cursor to column 0, line 1
// print the number of seconds since reset: