Rainbow Electronics BG20232A User Manual
BO LYM I N
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BG20232A
Feature
1. COB with metal frame
2. Built-in internal clock
3. Built-in controller SED1520D0a
4. 1/32 duty cycle
5. + 5V single power supply
6. Option: LED, EL B/L
7. Option: +3V single power supply
Mechanical Data
Item
Module Dimension
Viewing Area
Dot Size
Dot Pitch
Standard Value Unit
146.0 x 43.0
123.0 x 23.9
0.57 x 0.57
0.59 x 0.59
mm
mm
mm
mm
Pin Assignment
Pin Symbol Function
1
2
3
4
5
6
7~14
15
16 Reset signal
17
18
19
20
Vss
Vdd
Vo
Ao
/
R/W
E1
DB0-7
Vee
/RST
A
K
E2
E3
GND
+5V(+3V option)
Contrast adjustment
Data / Instruction
R/W signal
Data latch for chip1
Data bus line
Negative voltage output
Power supply for B/L (+)
Power supply for B/L (GND)
Data latch for chip 2
Data latch for chip 3
Dimensio
Electronic Characteristics
Item Symbol Condition
Input Voltage
Supply Current
LCD Driving
Voltage
LED Forward
Voltage
LED Forward
Current
EL Power
Voltage
4
Vdd
Idd
Vdd-Vo
Vf
If
Vel
Vdd = +5V
Vdd = +5V
o
25 C
o
25 C
o
25 C
Vel=110Vac/400Hz
Typical
Value
5.0
1.0
4.7
4.2
300
Unit
V
mA
V
V
mA
V
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