12
D-E221/E223
Pin No. Pin Name I/O Pin Description
63 SEG1 O LCD drive segment output (Open)
64 SEG0 O LCD drive segment output
65 – 68 COM3 – 0 O LCD drive common output
69 – 71 V3 – 1 O LCD drive bias output
72, 73 C1, 0 O Capacitor connected terminal of LCD driver for voltage-up.
74 STOP O Stop signal output (Connect to ground.)
75 TEST I Test terminal for IC. (Fixed at L.)
76 XHPSW_O O Headphone AMP ON/OFF control signal output (L: ON) (Open)
77 XLIGHT_O O LCD back light control signal output to LCD. (Open)
78 RESET_I I System reset signal input from TB2125F (IC401). (L: Reset)
79 XIN_I I Oscillation input
80 XOUT O Oscillation output (Open)
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