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PDF ( 数据手册 , 数据表 ) LG122321

零件编号 LG122321
描述 Display Module
制造商 ETC
LOGO ETC LOGO 


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LG122321 数据手册, 描述, 功能
LG122321 122 x 32 dots
ABSOLUTE MAXIMUM RATINGS
Item
Symbol
Min.
Max.
Unit
Supply Voltage(Logic) VDD- VSS
-0.3
7.0 V
Supply Voltage(LCD) VDD- VO
-0.3
13.5 V
Input Voltage
VI
-0.3
VDD+ 0.3
V
Operating Temp. Topr -20
70 C
Storage Temp.
Tstg -20
80 C
âELECTRICAL 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
VDD - VO
Test
Condition
--
--
IOH = - 3.0mA
IOL = 3.0mA
VDD = 5.0V
Ta=25 C
Min.
2.0
- 0.3
2.4
0
--
--
Typ.
--
--
--
--
0.5
6.5
Max. Unit
VDD V
0.8 V
VDD V
0.4 V
1.0 mA
-- V
BLOCK DIAGRAM
COM
C1
LCD PANEL
C17
|
122 x 32 dots
|
C16
S1----S61
C32
S62----S122
SEG
SEG
SED1520DAA
or Eqv.
SED1520DAA
or Eqv.
COM
A0
/RD(E)
/WR(R/W)
DB0~DB7
RST
CL
/CS1
/CS2
V SS
V DD
VO
Power
Circuit
to LSI
LEDA
LEDK
LED Backlight
MECHANICAL DATA
Item
Module Size ( W x H x T )
Viewing Area ( W x H )
Dot Pitch ( W x H )
Dot Size ( W x H )
Weight (Reflective/LED)
Nominal Dimensions
84.0 x 44.0 x 9.5/13.5
60.5 x 18.5
0.44 x 0.49
0.40 x 0.45
Approx. 30 / 40
Unit
mm
mm
mm
mm
g
PIN CONNECTIONS
Pin Symbol Level
Function
1 VSS
0V GND
2 VDD
+5V Power supply for logic
3 VO
-- Operating voltage for LCD
4 A0
H/L H : Data, L : Instruction code
5 /CS1
L Chip selection for IC1, active "L"
6 /CS2
L Chip selection for IC2, active "L"
7 CL
-- External clock input ( 2kHz )
8 /RD(E) H/L /RD for 80 MPU, E for 68 MPU
9 /WR(R/W) H/L /WR for 80 MPU, R/W for 68 MPU
10 DB0
H/L
11 DB1
H/L
12 DB2
H/L
13 DB3
14 DB4
H/L Data bus line
H/L
15 DB5
H/L
16 DB6
H/L
17 DB7
18 RST
H/L
H/L Reset, H_>L:80 MPU, L_>H:68 MPU
19 LEDA +5V
Power supply for LED backlight
20 LEDK 0V
LED BACKLIGHT SPECIFICATIONS (Ta=25 C)
Item Symbol
Forward Voltage
Vf
Forward Current
Emission Wave Length
If
λp
Typ.
4.1
120
568
Max.
4.3
--
--
Unit
V
mA
nm
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