Pin No.
Symbol
Description
1
NC
No Connection
2
3
SDA
Serial data signal.
4
SCL
Serial clock signal.
5
RS
Register/Data select input.
6
RES
Reset input.
7
CS
Chip select signal.
8
GND
Ground.
9
10
VCC
Power supply (2.8V).
11
LEDK
Cathode of LED backlight.
12
LEDA
Anode of LED backlight.