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R-820BK
R-820BW
Pin No. Signal I/O Description
81 SEG9 OUT Segment data signal.
Connected to LCD. No connection in LCD.
82-90 SEG8-SEG0 OUT Segment data signal.
Connected to LCD. Signal is similar to SEG39.
91 VCC IN Connected to GND.
92 VREF IN Connected to GND.
93 AVSS IN Connected to VC.
94 COM3 OUT Common data signal: COM4.
Connected to LCD (Pin No. 36).
95 COM2 OUT Common data signal: COM3.
Connected to LCD (Pin No. 35).
96 COM1 OUT Common data signal: COM2.
Connected to LCD (Pin No. 34).
97 COM0 OUT Common data signal: COM1.
Connected to LCD (Pin No. 33).
98-99 VL3-VL2 IN Power source voltage input terminal.
Standard voltage for LCD.
100 C2 IN Terminal not used.