BO LYMIN
BG12864A
Feature
1. COB with metal frame
2. Built-in controller KS107/108
3. +5V single power supply, with built-in negative voltage
4. 1/64 duty cycle
5. Option: Temperature compensation circuit
6. LED B/L Pins: 19/20, or A/K , or 1/2
7. Option: LED array/edge B/L, EL B/L
8. Option: +3V single power supply
9. Option: negative voltage (built-in, external)
Mechanical Data
Item
Standard Value
Module Dimension
93.0 x 70.0
Viewing Area
72.0 x 40.0
Dot Size
0.48 x 0.48
Dot Pitch
0.52 x 0.52
Pin Assignment
Pin
Symbol
1
2
3
4
5
6
7~14
15
16
17
18
19
20
Vss
Vdd
Vo
D/I
R/W
E
DB0~7
CS1
CS2
/RST
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 9.7 mA
LCD Driving
9
Vdd-Vo
V
25
o
C
Voltage
LED Forward
4.2
Vf
V
25
o
C
Voltage
LED Forward
If
330 mA
25
o
C
Current
EL Power
Vel
Vel=110Vac/400Hz
V
Voltage
Item
Function
GND
+ 5V(+3V option)
Contrast adjustment
Data/instruction
Data read/write
H -> L Enable signal
Data bus line
Chip select for IC1
Chip select for IC2
Reset
Negative voltage output
Power supply for B/L (+)
Power supply for B/L (GND)
93.0
±
0.5
77.2
72.0(VA)
66.52(AA)
A
Dimension
10.5
13.24
9.2(EL or No B/L)
1.5
2.5
13.1(LED B/L)
9.0(LED B/L)
5.1(EL or No B/L)
6
28.0
0.52
0.48
70.0
±
0.5
50.2
40.0(VA)
33.24(AA)
A
14.0
65.0
0 52
128*64 DOTS
4-Ø1.0 PTH
Ø
Ø1.0 PTH
1
Ø2.5 PTH
-Ø6.5 PAD
DOT SIZE
SCALE 10/1
1.6
2.5
2.5
BOLYMIN [ BOLYMIN, INC ]
