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)