— 34 —
Pin No. Pin name I/O Description
46 MNT3 – Not used (Open).
47 MNT1 – Not used (Open).
48 MNT0 – Not used (Open).
49 C4M – Not used (Open).
50 DOUT – Not used (Open).
51 EMPHI – Not used (Open).
52 WFCK – Not used (Open).
53 SCOR – Not used (Open).
54 SBSO – Not used (Open).
55 EXCK – Not used (Open).
56 DTEST I Test terminal (Fixed at “L”).
57 CTEST I Test terminal (Fixed at “L”).
58 FR I = key input.
59 PLAY/PAUSE I ^ key input.
60 FF I
+
key input.
61 STOP I p key input.
62 MODE I PLAY MODE key input.
63 DISP/ENTER I DISPLAY/ENTER key input.
64 AU MUTE O Audio mute signal output.
65 BTL MUTE O BTL mute signal output.
66 SENCE2 I CD SENCE input.
67 REC I Function REC input.
68 LIMIT SW I LIMIT switch input.
69 OPEN/CLOSE I CD door open/close switch input.
70 RMC – Not used (Fixed at “H”).
71 DV
SS
– Digital ground.
72 DV
DD
– Digital power supply (+5V).
73 SEG 15 – Not used (Open).
74 SEG 14 – Not used (Open).
75 – 88 SEG 0 – 13 O LCD segment output.
89 – 92 COM 0 – 3 O LCD common output.
93 – 95 VCL 1 – 3 I LCD drive device voltage input.
96 AV
SS
1 – Analog ground.
97 AV
DD
1 – Analog power supply (+5V).
98 AOUT1 O Audio output.
99 AIN1 I Audio input.
100 LOUT1 O L-CH audio output.
101 AV
SS
1 – Analog ground.
102 XV
DD
– Oscillator power supply (+5V).
103 XTAI I Oscillator connect terminal (16.9344MHz).
104 XTAO O Oscillator connect terminal (16.9344MHz).
105 XV
SS
– Oscillator ground.
106 AV
SS
2 – Analog ground.
107 LOUT2 O R-CH audio output.
108 AIN2 I Audio input.
109 AOUT2 O Audio output.
110 AV
DD
2 – Digital power supply (+5V).
111 AV
SS
2 – Ground terminal.
112 NC – Not used (Connect to ground).
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