LG128645中文资料
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MECHANICAL DATA
ABSOLUTE MAXIMUM RATINGS
32 SEG
128 x 32 dots ST7921
ST7921
128 x 32 dots
=5V â0.25V )
DD
SS
RS(CS)E(SCLK)
R/W(SID)PS DB7DB0/RST
LEDA LEDK
V V Control Signals
LED B/L
ST7920
LCD
LSI Controller 32 COM
64 SEG
Input High Voltage
Input Low Voltage Output Low Voltage Output High Voltage Supply Current
LCD Driving Voltage
Item
Supply Voltage(LCD)Storage Temp.
Operating Temp.Input Voltage Supply Voltage(Logic)Item
BLOCK DIAGRAM
ELECTRICAL CHARACTERISTICS V IH --0.7V DD Control Signals
V OL - V DD V O I SS
IL OH V V = - 0.1mA = 0.1mA OL I = 5.0V
Ta=25 DD V C
--OH I 0
----- 0.3
0.8V DD SS
SS Symbol Symbol T stg
V I V T opr - V O V -
V DD -20( V -30
Test Condition DD Min.
-0.3-0.3-0.3Min.H/L DB613LED BACKLIGHT SPECIFICATIONS (Ta=25
20
19181716151496 SEG
64 SEG
+5V LEDA LEDK
0V
NC NC /RST PSB DB7--L --H/L H/L Reset signal, active "L"H: Parallel mode L: Serial mode No connection
No Connection
C)--V DD V 0V SS V 112111098765432--0.46.5
3.0--5.0----V DD 0.6V mA V
V V H/L DB0DB3DB5DB4DB2DB1H/L H/L H/L H/L H/L RS R/W E NC V DD H/L H,H H/L _>L --+5V Pin Weight (Reflective/LED)Dot Size ( W x H )
Dot Pitch ( W x H )Viewing Area ( W x H )
Module Size ( W x H x T )PIN CONNECTIONS
Max.Typ.80
Unit
C 70+ 0.3D
D V 7.05.5Max.V C V Unit V Symbol Level Item
GND
L : Instruction code Power supply for logic Data bus line
No connection
Enable signal
L : Write H : Data H : Read Approx. 55/75
Function
93.0 x 70.0 x 10.0/13.5
Nominal Dimensions
0.48 x 0.480.52 x 0.52
72.0 x 39.0g
mm mm mm mm
Unit LG128645
128 x 64 dots Power supply for LED backlight
32 COM
Forward Current
Emission Wave Length
Forward Voltage
Item
I f λp
V Symbol f Unit mA nm
V --300568
--Typ.4.1Max.4.3Built in 8192 Chinese Fonts
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