Advertisement
1.7 LIQUID
CRYS~AL
DISPLAY
The liquid crystal display (LCD) is a graphics type display unit
which has a resolution of 640 in horizontal (or column) by 200
in vertical (or row) directions. This unit is composed of the
display panel, power supply and driver circuits. This receives
timing pulses, four-bit data signals, +5V dc and -22V dc power
inputs and a contrast control input from the system PCB. All
timing
pulses
and
data
signals
are
TTL
level
compatible.
Specifications are as following table.
FIGURE 1-7 Liquid Crystal Display
TABLE 1-5 Liquid Crystal Display Spesifications
Item
Specification
Outline Dimension (mm)
275.0 (W) x 126.0 (H) x 15.8 (D)
Number of Dots
640 x 200 dots
Number of characters
80 x 25 (2000) Characters
(8 x 8 dot format, alpha-numeric)
Clear Viewing Area (mm)
231.0 (W) x 105.0 (H)
Dot Size (mm)
0.32 (W) ,0.46 (H)
Dot Pitch (mm)
0.35 (W) ,0.49 (H)
Weight (gram)
Max. 500
1-10
Advertisement
