144x32 Graphic LCD Display Module
● Built-in controller ST7920
(128x64 dots matrix mode or 16x16 dots Big5/GB
Chinese mode, or 8x16 dots ASCII mode)
● +5V single power supply
● 1/32 duty cycle
● Option: +3.3V single power supply
● Option: LED edge B/L
BG14432A
BG14432A is a monochrome 144x32 graphic LCD display module made using Chip on Board (COB) method and comes with metal frame.
It has a built-in controller ST7920.
Module dimension of BG14432A is (84x44) mm and viewing area is (66.0x16.0) mm.
It supports 5V single power supply and provides option of 3.3V power supply as well.
● Mechanical Data
|
Item |
Standard Value |
Unit |
|
Module Dimension |
84.0 x 44.0 |
mm |
|
Viewing Area |
66.0 x 16.0 |
mm |
|
Dot Size |
0.37 x 0.37 |
mm |
|
Dot Pitch |
0.42 x 0.42 |
mm |
● Pin Assignment
Pin
Symbol
Function
1
Vss
Ground
2
Vdd
+5V (+3.3V option)
3
Vo
Contrast adjustment.
4
RS
H/L register select signal
5
R/W
H─>L read/write signal
6
E
H─>L enable
signal
7~14
DB0~7
Data bit 0
15
A
Power Supply for B/L(+)
16
K
Power supply for B/L (GND)
