JEWEL HILL ELECTRONIC CO.,LTD.
7. MODULE FUNCTION DESCRIPTION
7.1. PIN DESCRIPTION
Pin No. Symbol
Description
Power Supply for Ground(0V)
1
2
VSS
VDD
VR
Power Supply for Positive(3.3v)
LCD Dirving Voltage External Regulation Terminal
LCD Driving Voltage
3
4
V0
Chip Selection
5
/CS1
A0
Data/Command Register Selection
Write Signal Input or Read/Write Selection Terminal
Read Signal Input or Read/Write Enable Signal Input
6
7
/RW
/RD
8
9
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
LEDA
LEDK
10
11
12
13
14
15
16
17
18
8-bit bi-directional Data bus.
when “P/S=L”, D0-D5 fixed to “H”.
D6 is serial clock input (SCL), D7 is serial data input (SDA).
Power Supply for LED Backlight
GT2030
VER: 2.0
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Issue date: 2005/11/21
JHE [ JEWEL HILL ELECTRONIC ]
