Sony HCD-CP101 - Page 35

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