Pin No.Pin NameI/ODescription
40TP (R)
41TUN (R)
ISignal input pins.
42CD (R)
43AUX (R)
44RSELOOInput selector output pin.
IC, LC75817W-8720
Pin No.Pin NameI/ODescription
1 ~ 56S1 ~ S56OLCD segment output.
57 ~ 59S57 ~ S59OLCD segment output. (Not used)
60S60 / COM10OLCD segment output / LCD common driver output. (Not used)
61COM9OLCD common driver output. (Not used)
62 ~ 69COM8 ~ COM1OLCD common driver output.
70 , 71KS1, KS2OKey scan output. (Not used)
72 ~ 75KS3 ~ KS6OKey scan output.
76 ~ 80KI1 ~ KI5IKey scan input.
81P-1
OIllumination driver output.
82P-2
83, 84P-3, P-4ONot used.
85VDD-Power supply.
86VLCD-LCD power supply.
87VLCD0-LCD power supply.
88VLCD1I3/4 bias voltage is applied to the LCD drive externally.
89VLCD2I1/2 bias voltage is applied to the LCD drive externally.
90VLCD3I1/4 bias voltage is applied to the LCD drive externally.
91VLCD4-Connected to GND.
92VSS-GND.
93TEST-Test pin. (Connected to GND)
94OSC-OUTO
Resistor and capacitor are attached externally to form an oscillator circuit.
95OSC-INI
96INT-Connected to VDD.
97DOOSerial data interface pin; output data.
98CEOSerial data interface pin; chip enable.
99CLOSerial data interface pin; synchronization.
100DIISerial data interface pin; data transferred.
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