15
R-509FW
Pin No. Signal I/O Description
73/74 VCC/VREF IN Connected to GND.
75 AVSS IN Connected to VC.
76 COM3 OUT Terminal not used.
77 COM2 OUT Common data signal.
Connected to LCD signal COM3.
78 COM1 OUT
Common data signal.
Connected to LCD signal COM2.
79 COM0 OUT Common data signal.
Connected to LCD signal COM1.
80 VL3 IN Power source voltage input terminal.
Standard voltage for LCD.