BO LYMIN
BG12864E
Feature
1. COB with metal frame
2. Built-in controller KS0107/0108
3. +5V single power supply, with built-in negative voltage
4. 1/64 duty cycle
5. LED B/L pins:19/20, or A/K, or 1/2
6. Option: LED edge B/L, EL B/L
7. Option: +3V single power supply
8. Option: negative voltage (built-in, external)
Mechanical Data
Item
Standard Value
Module Dimension
75.0 x 52.7
Viewing Area
60.0 x 32.6
Dot Size
0.39 x 0.39
Dot Pitch
0.43 x 0.43
Pin Assignment
Pin
Symbol
1
2
3
4~11
12
13
14
15
16
17
18
19
20
Vdd
GND
Vo
DB0~7
/CS1
/CS2
/RST
R/W
D/I
E
Vee
A
K
Unit
mm
mm
mm
mm
Electronic Characteristics
Symbol Condition
Typical
Unit
Value
Input Voltage
Vdd Vdd = +5V 5.0
V
Supply Current
Idd
Vdd = +5V 4.0 mA
LCD Driving
8.5
Vdd-Vo
V
25
o
C
Voltage
LED Forward
3.9
Vf
V
25
o
C
Voltage
LED Forward
If
100 mA
25
o
C
Current
EL Power
Vel
Vel=110Vac/400Hz
V
Voltage
Item
Function
Power supply (+5V)
Power supply(GND)
Contrast adjustment
Data bus line
Chip select IC1
Chip select IC2
Reset signal
Data read/write
Data / instruction
Enable signal
Negative voltage output
Power supply for B/L (+)
Power supply for B/L (GND)
75.0
±
0.5
70.0
70.6
60.0(VA)
55.0(AA)
A
Dimension
8.4
4.9
15
25
0.43
0.39
DOT SIZE
SCALE 10/1
1.0
LED, EL or NO B/L
0.43
0 39
5
0.0
20.12
52.7
±
0.5
49.7
44.6
32.6(VA)
27.48(AA)
A
A
128*64 Dots
13.37
37.5
P2.54*19=48.26
2.5
20-Ø1.0PTH
20-Ø1.8PAD
2-Ø2.5
10.1
25.35
嵌入式系统