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HCD-G1BiP/G1iP
54
Pin No.
Pin Name
I/O
Description
55
HP DET
I
Headphone plug insert detection signal input terminal “H”: headphone plug is inserted
56
HP MUTE
O
Headphone muting on/off control signal output terminal “L”: muting on
57
CDM OUT SW
I
Disc tray open position detection switch input terminal “L”: disc tray is opened
58
CDM IN SW
I
Disc tray close position detection switch input terminal “L”: disc tray is closed
59
CDM LOAD IN
O
Loading motor drive signal output terminal (for loading in) “H”: motor on
60
CDM LOAD OUT
O
Loading motor drive signal output terminal (for loading out) “H”: motor on
61
DP RESET
O
Reset signal output to the fl uorescent indicator tube driver “L”: reset
62
Vcc
-
Power supply terminal (+3.3V)
63
STANDBY RELAY
O
Main power supply on/off control signal output terminal “H”: power on
64
Vss
-
Ground terminal
65
SPEC-IN
I
Destination setting terminal
66
AUDIO LEVEL DET
I
Audio level detection signal input from the DSP
67
USB IRPTO
I
Interrupt signal input from the USB driver
68
USB MCHNG
I
Music change signal input from the USB driver
69
KEY 1
I
Front panel key input terminal (A/D input)
70
VOLUME JOG (AD)
I
Jog dial pulse input from the rotary encoder (VOLUME) (A/D input)
71
FUNCTION JOG (AD)
I
Jog dial pulse input from the rotary encoder (FUNCTION) (A/D input)
72
TREBLE JOG (AD)
I
Jog dial pulse input from the rotary encoder (TONE TREBLE) (A/D input)
73
Vcont
O
Power supply on/off control signal output terminal “H”: power on
74
KEY WAKE UP
(POWER)
I
Key wake-up signal input terminal
75
USB_OVERCURRENT
I
USB over current detection signal input terminal “L”: over current
76
NO USE
O
Not used
77
USB SDA
O
Serial data output to the USB driver
78
USB CLK
O
Serial data transfer clock signal output to the USB driver
79
USB BUSY
I
Busy signal input from the USB driver
80
USB RESET
O
Reset signal output to the USB driver “L”: reset
81
BASS JOG (AD)
I
Jog dial pulse input from the rotary encoder (TONE BASS) (A/D input)
82
DAC_MUTE
O
Muting on/off control signal output to the D/A converter “H”: muting on
83
POWER_MONITOR
I
Power monitor input terminal
84
USB_POWER
O
Power supply on/off control signal output terminal for the USB VBUS “H”: power on
85
KEY2
I
Front panel key input terminal (A/D input)
86
ZIPANG_ON
O
Power supply on/off control signal output terminal for the CD section Not used
87
CD XRST
O
Reset signal output to the CD-MP3 processor “L”: reset
88
CD DRIVER MUTE
O
Motor drive muting on/off control signal output to the motor/coil driver “L”: muting on
89
MP3 IREQ
I
Request signal input from the CD-MP3 processor
90
CD CCE
O
Chip enable signal output to the CD-MP3 processor
91
CD CLK
O
Serial data transfer clock signal output to the CD-MP3 processor
92
NO USE
O
Not used
93 to 95
CD BUS3 to CD BUS1
O
Serial data output to the CD-MP3 processor
96
Avss
-
Ground terminal
97
CD BUS0
O
Serial data output to the CD-MP3 processor
98
VREF
I
Reference voltage (+3.3V) input terminal
99
Avcc
-
Power supply terminal (+3.3V)
100
WiFi CH SEL
I
WiFi maximum channel selection signal input terminal “L”: 11 ch, “H”: 13 ch
Fixed at “L” in this unit