BO LYMIN
BG12232D1
Feature
1. COB with metal frame
2. built-in oscillation
3. Built-in controller SED1520Doa
4. 1/32 duty cycle
5. + 5V single power supply
6. Option: +3V single power supply
7. Option: LED, EL B/L
Mechanical Data
Item
Standard Value
Module Dimension
80.0 x 36.0
Viewing Area
60.0 x 18.0
Dot Size
0.4 x 0.45
Dot Pitch
0.44 x 0.49
Pin Assignment
Pin
Symbol
1
2
3
4
5
6
7
8
9
10~17
18
19
20
Vss
Vdd
Vo
Ao
E1
E2
NC
NC
R/W
DB0~7
/RES
A/Vee
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 1.0 mA
LCD Driving
4.5
Vdd-Vo
V
25
o
C
Voltage
LED Forward
4.2
Vf
V
25
o
C
Voltage
LED Forward
If
120 mA
25
o
C
Current
EL Power
Vel
Vel=110Vac/400Hz
V
Voltage
Item
Function
GND
+ 5V(+3V option)
Contrast adjustment
H --> Data L --> Instruction
Data latch for chip 1
Data latch for chip2
H:read , L:write
Data bus line
Reset signal
Power supply for B/L (+)/
Negative voltage output
Power supply for B/L (GND)
Dimension
