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Laurel
Laurel

LG128322-EG Datasheet

LCD Module


LG128322-EG Datasheet Preview


LG128322-EG 128 x 32 dots + EL backlight
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built in Chinese font
ABSOLUTE MAXIMUM RATINGS
Item Symbol
Supply Voltage(Logic)
Supply Voltage(LCD)
Input Voltage
Operating Temp.
Storage Temp.
VDD- VSS
VO - VSS
VI
Topr
Tstg
Min.
-0.3
-0.3
-0.3
0
-20
Max.
7.0
7.0
VDD + 0.3
50
70
MECHANICAL DATA
Unit Item
Nominal Dimensions
V Module Size ( W x H x T ) 58.0 x 55.0 x 6.5
V Viewing Area ( W x H )
55.0 x 18.0
V Dot Pitch ( W x H )
°C Dot Size ( W x H )
°C Weight (Reflective/EL)
0.40 x 0.50
0.36 x 0.46
Approx. 15
Unit
mm
mm
mm
mm
g
ELECTRICAL CHARACTERISTICS ( VDD=5V±0.25V )
Item
Input High Voltage
Input Low Voltage
Supply Current
LCD Driving Voltage
Symbol
VIH
VIL
I DD
VO - VSS
Test
Condition
--
--
VDD = 5.0V
Ta=25°C
Min. Typ.
0.7VDD
- 0.3
--
--
--
--
1.5
4.6
Max. Unit
VDD V
0.6 V
2.0 mA
-- V
BLOCK DIAGRAM
VSS
VDD
CS
SID
SCLK
LCD
Controller
LSI
ST7920
32 COM
64 SEG
LCD PANEL
128 x 32 dots
64 SEG
PIN CONNECTIONS
Pin Symbol Level
Function
1 VSS
0V GND
2 VDD
+5V Power supply for logic
3 NC
-- No connection
4 CS
H Chip enable signal, active "H"
5 SCLK H/L Serial clock
6 SID
H/L Serial data
7 EL
8 EL
--
EL backlight drive voltage
--
EL
EL Backlight
EL
ST7921
EL BACKLIGHT SPECIFICATIONS (Ta=25°C)
Item
Symbol Typ. Max. Unit
Input Voltage
Input Frequency
Current
VEL 100
f EL 400
I EL 3.0
-- Vrms
-- Hz
-- mA
Page 1
Part Number LG128322-EG
Manufactur Laurel
Description LCD Module
Total Page 1 Pages
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LG128322-EG datasheet
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LG128322-EG datasheet
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