BOLYMIN BG12232D

BO LYMIN
BG12232D
Feature
1. COB with metal frame
2. No built-in oscillation, requiring external clock
3. Built-in controller SED1520Daa
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
Vss
Vdd
Vo
Ao
/CS1
/CS2
CL
RD/E
WR,R/W
DB0~7
RES
19
A/Vee
20
K
Dimension
Unit
mm
mm
mm
mm
Function
GND
+ 5V(+3V option)
Contrast adjustment
H --> Data L --> Instruction
L --> Chip1 enable
L --> Chip 2 enable
External clock 2KHZ
RD for 80 serial; /E for 68 serial
WR for 80 serial; R/W for 68 serial
Data bus line
L: 80 series, H: 68 series
Power supply for B/L (+)/
Negative voltage output
Power supply for B/L (GND)
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 oC
Voltage
LED Forward
4.2
Vf
V
25 oC
Voltage
LED Forward
If
120 mA
25 oC
Current
EL Power
Vel Vel=110Vac/400Hz V
Voltage
Item