20x2 COG LCD Display Module
● Character LCD
● COG package
● 5x7 dots with cursor
● Built-in controller ST7036i
● +3V single power supply
● 1/16 duty cycle
● I2C series interface
BO2002A
BO2002A is 20x2 character COG (chip on
glass) LCD Module with built-in ST7036i controller.
BO2002A 20x2 COG LCM it supports I2C series
interface.
COG (chip on glass) is an LCD packaging
technology where the controller is mounted directly onto the LCD glass and PCB
is not required. COG makes LCD compact, consume less power and also bring down
the cost.
It is recommend for compact
applications
Module dimension of BO2002A is (89X30.6) mm and
viewing area is (85.0X18.6) mm.
● Mechanical Data
Item
Standard Value
Unit
Module Dimension
89.0 x 30.6
mm
Viewing Area
85.0 x 18.6
mm
Dot Size
0.60 x 0.65
mm
Dot Pitch
3.20 x 5.55
mm
● Pin Assignment
Pin
Symbol
Function
1
VOUT
DC-DC voltage converter. Connect a capacitor between
this terminal And VIN when the built-in booster is used.
2
CAP-
For voltage booster circuit (VDD-VSS)
3
CAP+
External capacitor about 0.1uf to 4.7 uf
4
VDD
Power supply
5
VSS
GND
6
SDA
Serial Data input
7
SCL
Serial clock input
8
RST
External reset pin
