19-07-2012, 12:05 PM
MICROCONTROLLERS INTERFACING WITH LCD
[attachment=28048]
LCD PIN DESCRIPTION
The following are the main three steps in displaying any data in the LCD display :
Initializing LCD by sequence of instructions
Executing commands depending on our settings in the LCD
Writing data into the DRAM locations of LCD in the Standard Character Pattern of LCD
Key specifications of LCD display:
Important factors to consider when evaluating an LCD monitor:
1. Resolution: The horizontal and vertical size measured by number of pixels (e.g., 1024x768). 2. Dot pitch: The distance between the centers of two adjacent pixels. Smaller dot pitch indicate sharper image. 3. Viewable size: The diagonal size of the LCD display panel 4. Response time: The minimum time LCD takes to change a pixel's color or brightness.
Advantages of LCDs:
Consumes less power and generates less heat.
Saves lot of space compared picture tubes due to LCD's flatness.
Due to less weight and flatness LCDs are highly portable.
No flicker and fewer screens glare in LCDs to reduce eyestrain.
[attachment=28048]
LCD PIN DESCRIPTION
The following are the main three steps in displaying any data in the LCD display :
Initializing LCD by sequence of instructions
Executing commands depending on our settings in the LCD
Writing data into the DRAM locations of LCD in the Standard Character Pattern of LCD
Key specifications of LCD display:
Important factors to consider when evaluating an LCD monitor:
1. Resolution: The horizontal and vertical size measured by number of pixels (e.g., 1024x768). 2. Dot pitch: The distance between the centers of two adjacent pixels. Smaller dot pitch indicate sharper image. 3. Viewable size: The diagonal size of the LCD display panel 4. Response time: The minimum time LCD takes to change a pixel's color or brightness.
Advantages of LCDs:
Consumes less power and generates less heat.
Saves lot of space compared picture tubes due to LCD's flatness.
Due to less weight and flatness LCDs are highly portable.
No flicker and fewer screens glare in LCDs to reduce eyestrain.