AC-204AYILY-70-A Datasheet, PDF (6/17 Pages) ZETTLER Electronics – SPECIFICATIONS FOR LCD MODULE

5 BLOCK DIAGRAM & INTERFACE
E
RS
R/W
DB0~DB7
VDD
VSS
COM
1-16
LCD Panel
20*4 Chars
ST7066U-0A _{SEG 1-40}
D, M, CL1, CL2
Driver
No.
Symbol
Function
1
VSS
Ground (0V)
2
VDD Supply Voltage for Logic (+5V or +3.3V)
3
VO
Contrast Adjustment
4
RS
Data/Instruction Select
5
R/W
Read/Write Select
6
E
Enable Signal
7
DB0
Data Bus
8
DB1
Data Bus
9
DB2
Data Bus
10
DB3
Data Bus
11
DB4
Data Bus
12
DB5
Data Bus
13
DB6
Data Bus
14
DB7
Data Bus
15
LED_A LED Power Supply + (5V)
16
LED_K LED Power Supply - (5V)
2005/8/25
AMPIRE CO., LTD.
6