Pin Assignment for COG
Pin no.
Symbol
Function
1
ESD-VSS
Electro-Static discharge protection
2
RSTB
Hardware reset input pin. When RSTB is “L”, internal initialization is executed and theinternal registers will be initialized.
3
SCL
I2C clock signal input pin
4
SDA
I2C data signal input pin
5
VSS
Power supply (0V)
6
VDD
Power supply (+2.7 ~ +3.45V)
7
VG
LCD driving voltage for segment circuits.
8
V0
Voltage level for LCD driving
9
XV0
LCD driving voltage for common circuits.
10
Pin Assignment for Backlight
A
Anode of LED backlight(+3.3V)
K
Cathode of LED backlight