Rainbow Electronics BG240128B User Manual
BO LYM I N
0
.
4
3
0
5
A
A
144
.
0±0.5
2
401
28DOT
S
107
.
9
8
(
A
A
)
114
.
0
(
V
A
)
13.74
3
0
8.0
1
28.
0
A
0
4
Ø
3.5
PTH
4Ø7
.
0
A
D
2
0
Ø
1
.0PTH
152
.
0±0.5
1
25.
0
±
1
0
C
C
F
L
4
o
/
o
o
/
o
/
o
o
/
BG240128B3
Feature
1. SMT PCB with metal frame
2. Built-in controllerLC7981(=HD 61830)
3. 1/128 duty cycle
4. +5V power supply
5. Option: negative voltage
6. Option: LED, EL B/L, CCFL
Mechanical Data
Item
Module Dimension
Viewing Area
Dot Size
Dot Pitch
Standard Value Unit
144.0 x 104.0
114.0 x 64.0
0.43 x 0.43
0.45 x 0.45
mm
mm
mm
mm
Pin Assignment
Pin Symbol Function
1
2
3
4
5
6
7~14
15
16
17
18
19
20
Vss
Vdd
Vo
RS
R/W
E
DB0~7
/CS
/RST
Vee
A
K
NC
Power supply (GND)
Power supply(+5V)
Contrast adjustment
Data/Instruction select
Read/Write select
Enable signal
Data bus line
Chip select
Reset signal
Negative voltage output -15V
Power supply for B/L (+)
Power supply for B/L (GND)
Dimension
Electronic Characteristics
Item Symbol Condition
Input Voltage
Supply Current
LCD Driving
Voltage
LED Forward
Voltage
LED Forward
Current
Vdd
Idd
Vdd-Vo
Vf
If
Vdd = +5V
Vdd = +5V
o
25 C
o
25 C
o
25 C
Typical
Value
5.0
50.0
19.1
4.2
900
Unit
V
mA
V
V
mA
P
Loading...