50
HCD-SPZ50/SPZ70
Pin No.
Pin Name
I/O
Description
44
MP3 ACK
I
MP3 acknowledge signal input from the CD DSP
45
MP3 REQ
O
MP3 data request signal output to the CD DSP
46
MP3 XLAT
O
MP3 serial data latch pulse signal output to the CD DSP
47
MP3 IREQ
I
MP3 data request signal input from the CD DSP
48
CD XRST
O
System reset signal output to the CD DSP "L": reset
49
CD XATCN
O
Oscillation circuit on/off control signal output to the CD DSP
"L": oscillation stop, "H": self-oscillation
50
CD DRIVER MUTE
O
Muting signal output to the motor/coil driver
51
SEL A
O
Control signal output to the function selector
52
ST TUNED
I
Tuning detection signal input terminal Not used
53
ST CE
O
Chip enable signal output to the tuner (FM/AM)
54
ST DOUT
O
Serial data output to the tuner (FM/AM)
55
ST CLK
O
Serial data transfer clock signal output to the tuner (FM/AM)
56
ST DIN/STEREO
I
Serial data and stereo detection signal input from the tuner (FM/AM)
57
POWER ON/OFF
O
Sub power on/off relay drive signal output terminal "H": power on
58
HP MUTE
O
Headphone muting on/off control signal output terminal "H": muting on
59
SEL B
O
Control signal output to the function selector
60
LINE MUTE
O
Line muting on/off control signal output terminal "H": muting on
61
AMP SI
O
Serial data output to the electrical volume
62
VCC
-
Power supply terminal (+3.3V)
63
AMP SC
O
Serial data transfer clock signal output to the electrical volume
64
VSS
-
Ground terminal
65
SEL INH
O
Control signal output to the function selector
66
S-MASTER
PG MUTE
O
PG muting control signal output to the stream processor
67
S-MASTER
SOFT MUTE
O
Soft muting control signal output to the stream processor
68
S-MASTER RST
O
System reset signal output to the digital power amplifier "L": reset
69
S-MASTER SD
O
Shut down signal input from the digital power amplifier "L": shut down
70
S-MASTER DATA
O
Serial data output to the stream processor
71
S-MASTER SHIFT
O
Serial data transfer clock signal output to the stream processor
Serial data latch pulse signal output to the stream processor
NSP muting control signal output to the stream processor
Initialize signal output to the stream processor
Recording/playback selection signal output terminal "L": playback, "H": recording
Recording muting on/off control signal output terminal "L": muting on
Recording bias on/off control signal output terminal "H": bias on
Capstan/reel motor drive signal output terminal "H": motor on
Trigger plunger drive signal output terminal "H": plunger on
81
NO USE
O
Not used
82
BASS A
I
Jog dial pulse input from the rotary encoder (BASS) (A phase input) (SPZ70)
83
BASS B
I
Jog dial pulse input from the rotary encoder (BASS) (B phase input) (SPZ70)
84
AC DET
I
AC power detection signal input terminal
85
NO USE
O
Not used
86
EEPROM SDA
I
Serial data input from the EEPROM
87
EEPROM SCL
I
Serial data transfer clock signal input from the EEPROM
88
STANDBY LED
O
LED drive signal output terminal for STANDBY indicator "H": LED on
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