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Pin No. Pin Name I/O Pin Description
65 – 68 COM3 – 0 O LCD drive common output (Open)
69 – 71 V3 – 1 O LCD drive bias output (Open)
72, 73 C1, 0 O Capacitor connected terminal of LCD driver for voltage-up.
74 STOP O Stop signal output to VCD control IC. (Connect to ground.)
75 TEST I Test terminal for IC. Fixed at L.
76 XHPSW O Headphone AMP ON/OFF control signal output (L: ON)
77 XLIGHT O LCD back light control signal output to LCD. (Not used.)
78 RESET I System reset signal input from power control IC (IC401). (L: Reset)
79 XIN I Oscillation input
80 XOUT O Oscillation output (Open)
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