BO LYMIN
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
Standard Value
Module Dimension
146.0 x 43.0
Viewing Area
123.0 x 23.9
Dot Size
0.57 x 0.57
Dot Pitch
0.59 x 0.59
Pin Assignment
Pin
Symbol
1
2
3
4
5
6
7~14
15
16
17
18
19
20
Vss
Vdd
Vo
Ao
/R/W
E1
DB0-7
Vee
/RST
A
K
E2
E3
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
4.7
Vdd-Vo
V
25
o
C
Voltage
LED Forward
4.2
Vf
V
25
o
C
Voltage
LED Forward
If
300 mA
25
o
C
Current
EL Power
Vel
Vel=110Vac/400Hz
V
Voltage
Item
Function
GND
+5V(+3V option)
Contrast adjustment
Data / Instruction
R/W signal
Data latch for chip1
Data bus line
Negative voltage output
Reset signal
Power supply for B/L (+)
Power supply for B/L (GND)
Data latch for chip 2
Data latch for chip 3
Dimension
146.0 0.5
134.0
123.0(VA)
119.16(AA)
A
2.54*19=48.26
20- 1.0 PTH
20 2 0 PAD
1.5
10.
2.5
3.5
10.3(LED B/L)
5.1(EL B/L)
0.5
0.5
43.0 0.5
33.8
23.0(VA)
18.86(AA)
A
202*32 Dot
2
0.59
0.57
DOT SIZE
SCALE 10/1
139.0
4- 2.5 P
4- 5.0 P
4- 1.0 PTH
1.6
EL or NO B/L
3.5
BOLYMIN [ BOLYMIN, INC ]
