19
HCD-GX355/GX555/RG270/RG475/RG575
Pin No.
Pin Name
I/O
Description
42
O-XLAT
O
CD serial data latch pulse signa output to the CD DSP
43
I-REQ-MP3
I
MP3 data request signal input from the CD DSP
44
O-REQ-MP3
O
MP3 data request signal output to the CD DSP
45
O-SSTB-MP3
/M-MUTE
O
Muting on/off control signal output to the motor/coil driver "L": muting on
46
xWR
I/O
Not used
47
NC
I/O
Not used
48, 49
O-LM-R,
O-LM-F
O
Loading motor control signal output terminal
50, 51
O-TM-R,
O-TM-F
O
Table motor control signal output terminal
52 to 54
I-E-1 to I-E-3
I
Disc tray address sensor (rotary encoder) input terminal
55
I-CD NUMBER
SENS
I
Table address sensor input terminal
56
I-OPEN-SW
I
Disc tray open/close detection switch input terminal
57 to 61
NC
I/O
Not used
62
VCC2
-
Power supply terminal (+3.3V)
63
NC
I/O
Not used
64
VSS
-
Ground terminal
65
O-LC72121-CLK
O
Serial data transfer clock signal output to the tuner (FM/AM)
66
I-LC72121-DI
I
Serial data input from the tuner (FM/AM)
67
O-LC72121-DO
O
Serial data output to the tuner (FM/AM)
68
O-LC72121-CE
O
Chip enable signal output to the tuner (FM/AM)
69
I-TUNED
I
Tuning detection signal input from the tuner (FM/AM)
70
I-STEREO
I
FM stereo detection signal input from the tuner (FM/AM)
71
O-ST-MUTE
O
Muting on/off control signal output to the tuner (FM/AM)
72
I-RDS-DATA
I
RDS data input from the terminal (AEP, UK and East European models)
73
I-MODEL1
I
Setting terminal for the destination and model type
74
I-KEY0
I
Front panel key input terminal (A/D input)
75 to 80
I-MODEL2 to
I-MODEL7
I
Setting terminal for the destination and model type
81
I-HP/AUDIO IN
I
Headphone plug and audio in plug insert detection signal input
82
I-MIC
I
MIC plug insert detection signal input terminal
(120 V AC area in E, Chilean and Peruvian models)
83
I-REAL-A
I
Deck-A tape reel rotating detection signal input terminal
84
I-REAL-B
I
Deck-B tape reel rotating detection signal input terminal
85
O-MOTOR
O
Capstan/reel motor drive signal output terminal
86
O-A-SOL
O
Deck-A plunger drive signal output terminal
87
O-B-SOL
O
Deck-B plunger drive signal output terminal
88
I-TAPE-A-STAT
I
Deck-A cassette detection signal, deck-A mode detection signal and recording (reverse direction)
detection signal input terminal (A/D input)
89
I-TAPE-B-STAT
I
Deck-B cassette detection signal, deck-B mode detection signal and recording (forward direction)
detection signal input terminal (A/D input)
90
O-REC/PB
O
REC/PB switching control signal output terminal
91
O-BIAS
O
REC bias on/off control signal output terminal
92
I-TAPE-AMS
I
Auto music sensor detection signal input from the electrical volume
"L": music is present, "H": music is not present
93
I-STREAM
I
Audio signal input for stream LED (A/D input)
94
I-VACS
I
VACS signal input terminal (A/D input)