Embedded Electronics LCD Modules BG128128A

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
BOLYMIN
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
18
19
No connection
Power supply for B/L +
NC
A
Contrast adjustment
Power supply(+5V)
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
16
4.2
220
V
mA
V
V
mA
Typical
Value
Electronic Characteristics
o
25oC
25oC
Item Symbol Condition Unit
A