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55
HCD-GNX80
Pin No.
Pin Name
I/O
Description
1
XRST
O
Reset signal output to CXD3053AR
2
CD-DATA
O
Serial data output to CXD3053AR
3
XLAT
O
Serial data latch signal output to CXD3053AR
4
SIRCS
I
Remote control signal input
5
MP3 DATA OUT
O
Serial data output to TC94A34FG
6
MP3 DATA IN
I
Serial data input from TC94A34FG
7
MP3 CLK
O
Serial data transfer clock output to TC94A34FG
8
BYTE
I
Not used (Connected to ground)
9
CNVSS
—
Ground at test (Pull down)
10
XC-IN
I
Sub system clock input (32.768KHz)
11
XC-OUT
O
Sub system clock output (32.768KHz)
12
RESET
I
System reset input
13
X-OUT
O
Main system clock output (16MHz)
14
VSS
—
Ground
15
X-IN
I
Main system clock input (16MHz)
16
VCC
—
Power supply (+5V)
17
NMI
I
Not used (Pull up with resistor)
18
CD-CLK
O
CD data clock output
19
SCOR
I
Sub code sync (S0+S1) detection signal input
20
AC-CUT
I
AC off detection signal input
21
SENS
I
Internal status detection monitor input from CXD3059AR
22
MP3 RST
O
Reset signal output to TC94A34FG
23
MP3 CS
O
Chip select signal output to TC94A34FG
24
MP3 LP
O
Latch pulse output to TC94A34FG
25
MP3 ACK
I
Acknowledge signal input from TC94A34FG
26
MP3 REQ
I
Request signal input to TC94A34FG
27
MP3 STB
O
Standby mode signal output to TC94A34FG
28
XTCN
O
Oscillation on/off control signal output to CXD3053AR
29
IIC-CLK
I/O
IIC bus serial clock input/output
30
IIC-DATA
I/O
IIC bus serial data input/output
31
VMUTE
O
CDG video signal muting on/off control signal output
32
CD POWER
O
Not used (Open)
33
CDG DET
I
Not used (Open)
34
CDG/BGC
O
Not used (Open)
35
CDG RST
O
Not used (Open)
36
FAN KICK-OFF
O
Fan kick off pulse to start up fan rotation signal output
37
CD MUTE
O
CD muting on/off control signal output
38
OPEN SW
I
Eject detection signal input
39
TBL-SENS
I
Disc tray position detection signal input
40
E-3
I
Disc tray status detection signal input
41
E-2
I
Disc tray status detection signal input
42
E-1
I
Disc tray status detection signal input
43
TM-F
O
Table motor control signal output
44
TM-R
O
Table motor control signal output
45
LMF
O
Table loading motor control signal output
46
LMR
O
Table loading motor control signal output
47
A-PLAY
I
Deck A playback detection signal input
48
A-HALF
I
Deck A cassette detection signal input
49
SW LED1
O
LED drive signal output
• IC401 M30622MEP-A02FPUO SYSTEM CONTROL (MAIN Board)