The tolerance unless classified 0.3mm
LCD option: STN, TN, FSTN
Backlight Option: LED,EL Backlight feature, other Specs not available on catalog is under request.
OUTLINE DIMENSION & BLOCK DIAGRAM
PG 12864-I
PG 12864-I
MECHANICAL SPECIFICATION
Overall Size
View Area
Dot Size
Dot Pitch
54.0 x 50.0
43.5 x 29.0
0.28 x 0.35
0.32 x 0.39
Module
W /O B/L
EL B/L
LED B/L
H2 / H1
3.3 / 6.8
3.3 / 6.8
Vdd-0.3
V
V
V
19.0
7.0
Item
Supply for logic voltage
LCD driving supply voltage
Input voltage
Vdd-Vss
Vdd-Vee
Vin
25
o
C
25
o
C
25
o
C
-0.3
-0.3
-0.3
Symbol
Condition
Min.
Max.
Units
ABSOLUTE MAXIMUM RATING
Item
LCD operation voltage
LCM current consumption (No B/L)
Backlight current consumption
Symbol
Min.
Condition
Vop
Idd
LED/edge VB/L=4.2V
LED/array
Top
-20
o
C
0
o
C
25
o
C
50
o
C
70
o
C
VB/L=4.2V
N
W
Vdd=5V
ELECTRICAL CHARACTERISTICS
Typical
N W
Max. Units
V
V
V
V
V
V
mA
mA
mA
N W
8.5
PIN ASSIGNMENT
Pin no.
Symbol
Function
1
2
3
4
5
6
7-14
15
16
17
18
19
20
Vss
Vdd
Vo
D /I
Vee
E
DB0-DB7
RST
BL+
BL-
Power supply(GND)
Power supply(+)
Contrast Adjust
Command / data select
Chip select driver 1
Negative voltage output
Chip enable singnal
Data read / write
Data bus line
Reset
Enable (on/off) for EL B/L
2.5
/
CS1
Chip select driver 2
CS2
R/W
No connection
Power supply voltage
Vdd-Vss 25
o
C
V
5
4.5
5.5
DB0~DB7
CS1
Vss
LCD
SEGMENT
DRIVER 1
LCD PANEL
COM 64
E
Vdd
Vo
SEG 64
D /I
DC TO DC CIRCUIT
BACKLIGHT
CS2
0.28
0.04
0.35
0.04
BL+
BL-
R/W
RST
Vee
LCD
SEGMENT
DRIVER 2
4
4
4
Common Driver
BIAS CIRCUIT
SEG 64
DETAIL:C
DETAIL:A
0.3
1.8
2.7
3.0
1.2
DETAIL:B
4.0
90
o
1.8
4.0
4.0
1.9
0.1
60
o
90
o
0.1
1.8
0.1
0.7
0.1
2.0
6.8
1.0
3.3
2.5
1
54.0 0.5
49.0
B
128 x 64 Dots
C
20- 0.8
PAD20- 1.3
7.5MAX
1
P2.0 x 19=38.0
40.92
43.5
27.0
20
A
4- 2.5
20
40.5
29.0
24.92
2.0
25.0
45.0
47.0
50.0 0.5
2.5
1.5
Inverter
Circuit
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