HCD-GTR88
52
Pin No.
Pin Name
I/O
Description
58
R2A15216FP-DATA
O
Serial data output to audio signal processor, R2A15216FP
59
FR SPK RELAY
O
Relay drive signal output for the front speakers "H":relay on
60
STK MUTE
O
Power amplifi er on/off control signal output "H": amplifi er on
61
PROTECT
I
Speaker protect detection signal input from speaker protect circuit "H":protector on
62
VCC
-
Power supply terminal (+3.3V)
63
LINE-MUTE
O
Line muting on/off control signal "L":muting on
64
VSS
-
Ground terminal
65
MTK PWR MON
I
MTK DMB Board power monitor input pin (A/D input)
66
MIC/HP_DET
I
Headphone & microphone connection detection signal input (A/D input)
67
OUTPUT LEVEL
DETECT
I
Speaker Output Level Detection
68
NO-USE
-
Unused
69
ILLUMINATOR-INPUT
I
Power illuminator & METER input signal detection (A/D input)
70
VACS-IN
I
VACS level detection signal (A/D input)
71
OVERVOLTAGE
I
Over-voltage protection detection input terminal "L": over-voltage detected
72
TC-STATE
I
Tape playback/recording/stop status detection input signal (A/D input)
(Only for African model)
73
NO-USE
-
Unused
74
POWER/DISPLAY-
KEY
I
POWER & DISPLAY key press detection signal (Interrupt input)
75
STBY RELAY
O
Main power on/off control signal output "H":power on
76
TC_M+9V SW
O
TCM power supply control signal output "H":power on (Only for African model)
77
METER-IN4
O
Meter motor control signal output 4
78
METER-IN3
O
Meter motor control signal output 3
79
METER-IN1
O
Meter motor control signal output 1
80
METER-IN2
O
Meter motor control signal output 2
81
METER SW
I
Min and Max switch input signal from METER (A/D input)
82
METER PTR LED
O
Meter Pointer LED control signal. "H" LED ON
83
METER BL CTL
O
Meter Backlight LED control signal. "H" LED ON
84
LED CTRL
O
Dynamic LED drive select signal output
85
AD-KEY2
I
Key input terminal (A/D input)
86
USB-B LED
O
Dynamic LED drive signal output to the USB B Blue & Red LED “H”:LED on
87
MASTER VOL
I
Jog dial pulse input from the MASTER VOLUME encoder (A/D input)
88
LED-VOL1,2
O
Dynamic LED drive signal output to the ILLUMINATION 1st indicator and 2nd indicator
“H”:LED on
89
AD-KEY1
I
Key input terminal (A/D input)
90
LED-VOL5,6
O
Dynamic LED drive signal output to the ILLUMINATION 5th indicator and 6h indicator
“H”:LED on
91
LED-VOL3,4
O
Dynamic LED drive signal output to the ILLUMINATION 3rd indicator and 4th indicator
“H”:LED on
92
NO-USE
-
Unused
93
DEST-IN
I
Destination setting terminal (A/D input)
94
SW LED/USB A LED
O
Dynamic LED drive signal output to the Subwoofer LED and USB A LED indicator “H”:LED on
95
STBY LED
O
LED drive signal output of POWER indicator "H":LED on
96
AVSS
-
Ground terminal (for A/D conversion)
97
AD-KEY0
I
Key input terminal (A/D input)
98
AREF
I
A/D Converter reference voltage input terminal (+3.3V)
99
AVCC
-
Power supply terminal (+3.3V) (for A/D conversion)
100
FL-DRIVER-CS
O
Serial data chip select signal to FL Driver, PT6324