Rainbow Electronics BG128128A - Manual

BG128128A
Feature
Mechanical Data
Item
Module Dimension
Viewing Area
Dot Size
Dot Pitch
Standard Value Unit
mm
mm
mm
mm
72.4 x 70.0
49.0 x 49.0
0.32 x 0.32
0.35 x 0.35
Dimension
BO LYM IN
1. SMT PCB with metal frame
2. Built-in controller LC7981
3. 1/128 duty cycle
4. +5V single power supply
5. Option: LED, EL B/L
6. Option: negative voltage
Pin Assignment
Pin Symbol Function
1~8
9
10
11
12
13
14
Data bus line
Data/Instruction select
Data read/write
Enable signal
Chip select
Reset signal
DB0-7
RS
R/W
E
/CS
/RST
Vo
15
16
Power supply(GND)
Vdd
Vss
17~18
19
No connection
Power supply for B/L + NC
A
Contrast adjustment
Power supply(+5V)
20 Power supply for B/L - NC
Input Voltage
Supply Current
LCD Driving
Voltage
LED Forward
Voltage
LED Forward
Current
Vdd
Idd
Vdd-Vo
Vf
If
Vdd = +5V
Vdd = +5V
25 C
5.0
5.0
17.6
4.2
320
V
mA
V
V
mA
Typical
Value
Electronic Characteristics
o
25 C
o
25 C
o
Item Symbol Condition
Unit
A
DETAIL A
2.
5
10.0[led]
5.0[[el/ref]]ff
1.6
44 77
49.0²0.2
65.2²0.3
67.4²0.3
72.4²0.5
65
.0
²0
.3
70
.0
²0
.5
59
.5
²0
.3
49
.0
²0
.2
44
.7
7
5.
25
112
.
10
15.0[led]
10.0[[el/ref]]ff
4- 2.5
3.6
20- 1.0 Ш
Ш