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PDF LG128649 Data sheet ( Hoja de datos )
| Número de pieza | LG128649 | |
| Descripción | LCD Module | |
| Fabricantes | ETC | |
| Logotipo |  |
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LG128649 128 x 64 dots
www.DataSheet4U.com
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 Unit
V Module Size ( W x H x T ) 113.0 x 65.0 x 10.0/13.5 mm
V Viewing Area ( W x H ) 72.0 x 39.0
mm
V Dot Pitch ( W x H )
0.52 x 0.52
mm
°C Dot Size ( W x H )
0.48 x 0.48
mm
°C Weight (Reflective/LED) Approx. 60 / 75
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 0
VDD = 5.0V
Ta=25°C
--
--
Typ.
--
--
--
--
3.0
6.5
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
H/L
14 DB7
H/L
15 PSB H/L H: Parallel mode L: Serial mode
16 NC
-- No Connection
17 /RST
L
Reset signal, active "L"
18 VOUT
--
No connection
19 LEDA
20 LEDK
+5V
0V
Power supply for LED backlight
LED BACKLIGHT SPECIFICATIONS (Ta=25°C)
Item Symbol
Forward Voltage
Vf
Forward Current
Emission Wave Length
If
λp
Typ.
4.1
300
568
Max.
4.3
--
--
Unit
V
mA
nm
1 page | ||
| Páginas | Total 1 Páginas | |
| PDF Descargar | [ Datasheet LG128649.PDF ] | |
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