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HCD-VX777
6-28. IC PIN FUNCTIONS
• IC101 DIGITAL SIGNAL PROCESSOR (CXD3068Q) (BD Board)
Pin No.
Pin Name
I/O
1
AUDIO-OUT
O
Audio out ON/OFF signal (H=ON,L=OFF)
2
STEREO
I
STEREO detect signal input (L=ON,H=OFF)
3
TUNED
I
TUNED detect signal input (L=ON,H=OFF)
4
SIRCS
I
Remote control receiver data signal input
5
SUR1
O
Not used
6
SUR2
O
Not used
7
SUR3
O
Not used
8
N.C.
—
Connected to ground
9
N.C.
—
Connected to ground
10
XC-IN
I
Sub clock input
11
XC-OUT
O
Sub clock output
12
RESET
I
System reset input
13
X-OUT
O
Main system clock output
14
VSS
—
Ground
15
X-IN
I
Main system clock input
16
VCC
—
Power supply (+5V)
17
NMI
I
Not used (connected to Vcc)
18
RDS-INT
I
RDS interrupt signal input
19
SCOR
I
CD Q-data signal input
20
RDS-DATA
I
RDS data signal input
21
ST-MUTING
O
Tuner muting signal output
22
ST-CE
O
Tuner chip enable output
23
ST-DOUT
O
Tuner data signal output
24
BU-PWM3
O
BU PWM signal output
25
ST-DIN
I
Tuner data signal input
26
BU-PWM2
O
BU PWM signal output
27
ST-CLK
O
Tuner clock signal output
28
BU-PWM1
O
BU PWM signal output
29
IIC CLK
O
IIC CLS output
30
IIC DATA
O
IIC SDA output
31
N.C.
—
Not used
32
SQ-DATA
I
CD SQ data input
33
SQ-CLK
O
CD SQ clock output
34
SENS
I
BD condition signal input
35
CD-DATA
O
CD data signal output
36
N.C.
—
Not used (connected to ground)
37
CD-CLK
O
CD clock signal output
38
CD-POWER
O
CD power control signal output (H=ON,L=OFF)
39
CLOCK-OUT
O
Test point (clock check)
40
HOLD
O
MODE signal output
41
M-RESET
O
Display control IC reset signal output
42
XLT
O
CD LAT signal output
43
XRST
O
CD reset sgnal output
44
LOAD-IN
O
Loading motor control signal output
45
LOAD-OUT
O
Loading motor control signal output
46
OPEN-SW
I
Tray open detect signal input
47
CLOSE-SW
I
Tray close detect signal input
48
BU UP/DOWN-SW
I
Pick-up up/down detect signal input
49
T-SENS
I
CD table detect signal input
50
N.C.
—
Not used (connected to ground)
Description
48
Pin No.
Pin Name
I/O
51
A-TRG
O
A deck trigger control signal output
52
B-TRIG
O
B deck trigger control signal output
53
AMS-IN
I
AMS signal input (L=ON,H=OFF)
54
CAPM-H/L
O
Capstan motor High/Low speed control signal output
55
CAPM-CONTROL
O
Capstan motor REV/FWD/STOP control signal output
56
A-PLAY
I
A deck play detect signal input
57
B-PLAY
I
B deck play detect signal input
58
TC-MUTING
O
Tape deck line muting signal output (H=ON,L=OFF)
59
REC/PB/PAS
I
REC/PB/PAS select signal input (L=REC,Z=PB,H=PAS)
60
NR-ON/OFF
O
DOLBY NR ON/OFF signal output (H=ON,L=OFF)
61
REC-MUTING
O
REC MUTING ON/OFF signal output (L=ON,H=OFF)
62
VCC
—
Power supply (+5V)
63
SOFT-TEST
O
Test point (soft check out)
64
VSS
—
Ground
65
BIAS
O
BIAS ON/OFF signal output (H=ON,L=OFF)
66
EQ-H/N
O
EQ High/Normal select signal output (H=High,L=Normal)
67
PB-A/B
O
Playback deck A/B select signal output (L=A,H=B)
68
ALC
O
ALC ON/OFF signal output (L=ON,H=OFF)
69
TC-RELAY
O
Tape deck relay ON/OFF signal output (H=ON,L=OFF)
70
A-HALF
I
A deck half detect signal input
71
N.C.
—
Not used (connected to ground)
72
N.C.
—
Not used (connected to ground)
73
DISPLAY KEY
I
Display key detect signal input
74
POWER KEY
I
Power key detect signal input
75
STBY LED
O
Standby LED ON/OFF signal output (H=ON,L=OFF)
76
N.C.
—
Not used (connected to ground)
77
N.C.
—
Not used (connected to ground)
78
GAME/VIDEO
O
GAME/VIDEO select signal output (L=GAME,H=VIDEO)
79
DBFB
O
DBFB ON/OFF signal output (L=ON,H=OFF)
80
GEQ-DATA
O
Data signal output for IC101
81
GEQ CLK
O
Clock signal output for IC101
82
LINE-MUTING
O
LINE muting ON/OFF signal output (H=ON,L=OFF)
83
STK-MUTING
O
Power amplifier ON/OFF signal output (H=ON,L=OFF)
84
STBY-RELAY
O
Standby relay ON/OFF signal output
85
REAR-RELAY
O
Not used
86
SURR-RELAY
O
Not used
87
FRONT-RELAY
O
Front speaker relay ON/OFF signal output (H=ON,L=OFF)
88
PROTECT
I
Speaker protect ON/OFF signal input (L=ON,H=OFF)
89
A-SHUT
I
A deck reel pulse signal input
90
B-SHUT
I
B deck reel pulse signal input
91
B-HALF
I
B deck half detect signal input
92
MODEL-IN
I
MODEL input
93
SPEC-IN
I
Version select input
94
FREQ-B
O
Not used
95
FREQ-A
O
Not used
96
AVSS
—
Analog ground
97
BOOSTER-SW
I
Not used
98
VREF
—
Analog reference voltage
99
AVCC
—
Analog power supply
100
AC-CUT
I
AC_CUT ON/OFF check (L=ON,H=OFF)
48
Description
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