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Pin No.
Pin Name
32
TC-SW
33
TRAY-SW
34
KEY3
35
KEY2
36
KEY1
37
SIMUKE/TEST
38
RESET
39
EXTAL1
40
XTAL1
41
VSS
42
XTAL2
43
EXTAL2
44
AVREF
45
AVSS
46
VL
47 to 49
VLC3 to VLC1
50 to 53 COM0 to COM3
54 to 85
SEG0 to SEG31
86
C-XRST
87
REC-MUTE
88
SDA
89
VDD
90
NC
91
VSS
92
TX
93
TEX
94
CD-ON
95
REC/PB
96
L-MUTE
97
AU MUTE
98
TC-ON
99
WP
100
SCOR
I/O
I
Half detect (side A and B) switch and cassette in detect switch input terminal (A/D input)
I
Disc tray open/close detect switch input terminal (A/D input) "L": open position
I
Key input terminal (A/D input)
I
Key input terminal (A/D input)
I
Key input terminal (A/D input)
I
Destination setting terminal (A/D input)
System reset signal input from the reset signal generator "L": reset
I
For several hundreds msec. after the power supply rises, "L": is input, then it changes to "H"
I
Main system clock input terminal (4.19MHz)
O
Main system clock output terminal (4.19MHz)
—
Ground terminal
O
Sub system clock output terminal Not used
I
Sub system clock input terminal Not used
I
Reference voltage (+5V) input terminal (for A/D conversion)
—
Ground terminal (for A/D conversion)
O
Not used
—
Power supply terminal for the liquid crystal display bias
O
Common drive signal output to the liquid crystal display
O
Segment drive signal output to the liquid crystal display
O
Reset signal output to the CXD2587Q and BA5974FP (at CD function)
Recording muting on/off selection signal output to the tape deck section
O
"H": muting on, "L": muting of
O
Serial data output to the electrical volume
—
Power supply terminal (+5V)
—
Not used (open)
—
Ground terminal
O
Sub system clock output terminal (32.768kHz)
I
Sub system clock input terminal (32.768kHz)
Power supply on/off control signal output of the CD section
O
LED drive signal output of the CD u indicator "H": CD power on (LED on)
Recording/playback selection signal output to the tape deck section
O
"L": playback mode, "H": recording mode
Line muting on/off selection signal output to the tape deck section
O
"H": muting on, "L": muting off
O
muting on/off control signal output terminal "H": muting on
Power supply on/off control signal output of the cassette holder back light
O
LED drive signal output of the TAPE n N indicator "H": back light on (LED on)
I
Wakeup control signal input terminal
I
Subcode sync (S0+S1) detection signal input from the CXD2587Q (at CD function)
Description
HCD-CP101
35
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