238
8018P–AVR–08/10
ATmega169P
Figure 23-4. Driving a LCD with Two Common Terminals
V
LCD
GND
V
LCD
1
/
2
V
LCD
GND
V
LCD
1
/
2
V
LCD
GND
-1
/
2
V
LCD
-V
LCD
SEG0
COM0
SEG0 - COM0
Frame Frame
V
LCD
GND
V
LCD
1
/
2
V
LCD
GND
V
LCD
1
/
2
V
LCD
GND
-1
/
2
V
LCD
-V
LCD
SEG0
COM1
SEG0 - COM1
Frame Frame
