6 BLOCK DIAGRAM & INTERFACE
COM
1-16
LCD Panel
16*2 Chars
E
RS
R/W
DB0~DB7
KS0066
SEG 1-40
Driver
VDD
VSS
D, M, CL1, CL2
No.
1
Symbol
VSS
VDD
VO
Function
Ground (0V)
2
Supply Voltage for Logic (+5V or +3.3V)
Contrast Adjustment
Data/Instruction Select
Read/Write Select
Enable Signal
3
4
RS
5
R/W
E
6
7
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
LED_A
LED_K
Data Bus
8
Data Bus
9
Data Bus
10
11
12
13
14
15
16
Data Bus
Data Bus
Data Bus
Data Bus
Data Bus
LED Power Supply + (5V)
LED Power Supply - (5V)
Date : 2001/12/12
AMPIRE CO., LTD.
8