Pin no.
Symbol
Function
1
XV0
LCD driving voltage for common circuits.
2
V0
Voltage level for LCD driving
3
VG
LCD driving voltage for segment circuits.
4
VDD
Power supply (+2.7~ +3.45V)
5
VSS
Power supply (0V)
6
SDA
Serial data signal input pin
7
SCL
Serial clock signal input pin
8
CSB
Chip select pin, low
9
A0
Display/control data select “H”:display data ; “L”:control data
10
RSTB
Hardware reset input pin. When RSTB is “L”, internal initialization
is executed and theinternal registers will be initialized.