128x64 Graphic LCD Display Module
● Built-in controller NT7107/NT7108 or equivalent
● +5V single power supply, with built-in negative voltage
● 1/64 duty cycle
● Option: Temperature compensation circuit
● LED B/L pins:19/20,or A/K or 1/2
● Option: LED array / edge B/L,EL B/L
● Option: +3V single power supply
● Option: External negative voltage
BG12864A
BG12864A is a monochrome
128x64 graphic LCD display module made using Chip on Board (COB) method and comes with metal frame.
It has a built-in controller NT7107/NT7108 or equivalent. BG12864A also provides the option for temperature
compensation circuit.
Module dimension of BG12864A
is (93x70) mm and viewing area is (72x40) mm.
It supports 5V power
supply and provides option of 3V power supply as well.
● Mechanical Data
Item
Standard Value
Unit
Module Dimension
93.0 x 70.0
mm
Viewing Area
72.0 x 40.0
mm
Dot Size
0.48 x 0.48
mm
Dot Pitch
0.52 x 0.52
mm
● Pin Assignment
Pin
Symbol
Function
1
Vss
GND
2
Vdd
+5V (+3V option)
3
Vo
Contrast adjustment
4
D/I
Data/instruction
5
R/W
Data read/write
6
E
H -> L Enable signal
7~14
DB0~7
Data bus line
15
CS1
Chip select for IC1
16
CS2
Chip select for IC2
17
/RST
Reset
18
Vee
Negative voltage output(-4.8V)
19
A
Power supply for B/L (+)
20
K
Power supply for B/L (GND)
