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ETC
ETC

LG128645-DW Datasheet

LCD Module


LG128645-DW Datasheet Preview


LG128645-DW 128 x 64 dots + white led 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
-20
-30
Max.
5.5
7.0
VDD + 0.3
70
80
MECHANICAL DATA
Unit Item
Nominal Dimensions
V Module Size ( W x H x T ) 93.0 x 70.0 x 13.5
V Viewing Area ( W x H ) 72.0 x 39.0
V Dot Pitch ( W x H )
0.52 x 0.52
°C Dot Size ( W x H )
0.48 x 0.48
°C Weight
Approx. 75
Unit
mm
mm
mm
mm
g
ELECTRICAL CHARACTERISTICS ( VDD=5V±0.25V )
Item
Input High Voltage
Input Low Voltage
Output High Voltage
Output Low Voltage
Supply Current
LCD Driving Voltage
Symbol
VIH
VIL
VOH
VOL
I DD
VO - VSS
Test
Condition
Min.
-- 0.7VDD
-- - 0.3
IOH = - 0.1mA 0.8VDD
IOL = 0.1mA
VDD = 5.0V
Ta=25°C
0
--
--
Typ.
--
--
--
--
3.0
6.2
Max. Unit
VDD V
0.6 V
VDD V
0.4 V
5.0 mA
-- V
BLOCK DIAGRAM
RS(CS)
R/W(SID)
E(SCLK)
PS
/RST
DB0
DB7
VDD
VSS
VO
VOUT
LEDA
LEDK
Control Signals
ST7921
LCD
Controller
LSI
ST7920
32 COM
64 SEG
64 SEG
128 x 32 dots
Power
Circuit
To LSI
32 COM
32 SEG
128 x 32 dots
96 SEG
LED B/L
Control Signals
ST7921
PIN CONNECTIONS
Pin Symbol Level
Function
1 VSS
0V GND
2 VDD
+5V Power supply for logic
3 Vo
4 RS
-- No connection
H/L H : Data L : Instruction code
5 R/W H/L H : Read L : Write
6E
H,H _>L Enable signal
7 DB0
H/L
8 DB1
H/L
9 DB2
H/L
10 DB3 H/L Data bus line
11 DB4
H/L
12 DB5
H/L
13 DB6
14 DB7
H/L
H/L
15 PSB H/L H: Parallel mode L: Serial mode
16 NC
-- No Connection
17 /RST
L
Reset signal, active "L"
18 V OUT
--
No connection
19 LEDA
20 LEDK
+5V
0V
Power supply for LED backlight
LED BACKLIGHT SPECIFICATIONS (Ta=25°C)
Item
Forward Voltage
Forward Current
LED Color
Symbol
Vf
If
Typ.
3.1
60
White
Max.
3.3
--
Unit
V
mA
Page 1
Part Number LG128645-DW
Manufactur ETC
Description LCD Module
Total Page 1 Pages
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LG128645-DW datasheet
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LG128645-DW datasheet
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