
GB402A
VER: 3.0
- 6 -
Issue date: 2006/07/31
JEWEL HILL ELECTRONIC CO.,LTD.
7. MODULE FUNCTION DESCRIPTION
7.1. PIN DESCRIPTION
Pin No.
Symbol
Description
1
VSS
Power supply for Ground (0V)
2
VDD
Power supply for positive (+5V)
3
VO
LCD driver voltage regulation terminal
4
RS
Data/Command register selection; “H”: Data; “L”: Command
5
R/W
Read/write selection signal, ”H”: Read;
”L”: Write
6
E
Read/write Enable signal input pin
7
DB0
8
DB1
9
DB2
10
DB3
11
DB4
12
DB5
13
DB6
14
DB7
8-bit bi-directional data bus
15
LED+
Power supply voltage for backlight positive
16
LED-
Power supply voltage for backlight negative