• 128x64 Graphic LCD Display, BG12864A

128x64 Graphic LCD Display Module

● COB with metal frame
● 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
Model : BG12864A


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.


bg12864a-drawing.png






● 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)










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