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: EL backlight & EL inverter
● Option: +3V single power supply
● Option: external negative voltage
● No LED Backlight Option
BG12864H
BG12864H 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.
Module dimension of BG12864H is (54x50) mm and
viewing area is (43.5x29.0) mm.
It supports 5V power supply
and provides option of 3V power supply as well.
● Mechanical Data
|
Item |
Standard Value |
Unit |
|
Module Dimension |
54.0 x 50.0 |
mm |
|
Viewing Area |
43.5 x 29.0 |
mm |
|
Dot Size |
0.28 x 0.35 |
mm |
|
Dot Pitch |
0.32 x 0.39 |
mm |
● Pin Assignment
Pin
Symbol
Function
1
Vss
Power supply GND
2
Vdd
+5V (+3V option)
3
Vo
Contrast adjustment
4
D/I
Data/instruction
5
R/W
Data read/write
6
E
Enable signal
7~14
DB0~7
Data bus line
15
CS1
Chip enable (segment 1-64)
16
CS2
Chip enable (segment 65-128)
17
/RST
Reset signal
18
Vee
Negative voltage output -10V
19
BL+
EL backlight power on/off
20
NC
No connection
