128x64 Graphic LCD Display Module
● Built-in controller SBN0064G/6400G
● +5V single power supply,with built-in negative voltage
● 1/64 duty cycle
● LED edge B/L
● LED B/L pins: 23/24 or 1/2
● Option:Temperature compensation circuit
● Option:External negative voltage
● DIP module
BG12864J
BG12864J 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 SBN0064G/6400G or equivalent. BG12864J also provides the option for temperature compensation circuit & external negative voltage
Module dimension of BG12864J is (75x45.8) mm and viewing area is (61x38) mm.
It supports 5V power supply , with built-in negative voltage.
● Mechanical Data
|
Item |
Standard Value |
Unit |
|
Module Dimension |
75.0 x 45.8 |
mm |
|
Viewing Area |
61.0 x 38.0 |
mm |
|
Dot Size |
0.42 x 0.50 |
mm |
|
Dot Pitch |
0.44 x 0.52 |
mm |
● Pin Assignment
Pin
Symbol
Function
1
Vss
GND
2
Vdd
Power supply
3
VO
Operating voltage for LCD
4
/RST
Reset signal
5
D/I
Data/instruction
6
R/W
Data read/write
7
E1
Enable signal for IC2 (segment 1~64)
8
E2
Enable signal for IC2 (segment 65~128)
9
CS1L
Chip select for IC2 (segment 1~64)
10
CS1H
11
CS2L
Chip select for IC3 (segment 65~128)
12
CS2H
13
VEE
Negative voltage output
14
NC
No connection
15~22
DB0~7
Data bus
23
A
Power supply for B/L ( + )
24
K
Power supply for B/L (GND)
