Pin no.
Symbol
Function
1
VSS
Ground
2
VDD
Supply voltage for logic circuit
3
V0
Contrast adjustment pin
4
RS
Selects register date “H” and instruction “L”
5
R/W
Use as read/write select input
6
E
Use as read/write enable signal
7
DB0
Display data signal
8
DB1
9
DB2
10
DB3
11
DB4
12
DB5
13
DB6
14
DB7
A
NC
K