44
HCD-CPX22/NXM3
• IC401 M30622MGN-B28FPUO (SYSTEM CONTROL) (MAIN Board)
Pin No. Pin Name I/O Description
1 MP3 CS O Chip select signal to CD Digital Processor
2 MP3 LP O Latch pulse output to CD Digital Processor and Motor signal output
3 MP3 ACK I ACK input from CD Digital Processor and Motor signal input
4 SIRCS I Remote commander signal input
5 MP3 DATA OUT O Serial data output to the MP3 circuit
6 MP3 DATA IN I Serial data input from the MP3 circuit
7 MP3 CLK O Serial clock output to the MP3 circuit
8 BYTE I External data bus width select input (connected to ground)
9 CN VSS I Processor modes switch
10 Xcin I Sub clock input (32.768kHz)
11 Xcout O Sub clock output (32.768kHz)
12 RESET I System reset input
13 Xout O Main system clock output (16MHz)
14 Vss – Ground
15 Xin I Main system clock input (16MHz)
16 Vcc – Power supply
17 NMI I Non-maskable interrupt input
18 RDS-INT I Sirial data taransfer clock signal input
19 SCOR I CD Q-DATA request
20 AC-CUT I AC cut-off detection signal input
21 SENS I Internal status(SENSE) signal input from CXD3059AR
22 CD-DATA O Serial data output
23 CD-CLK O Serial data transfer clock signal output
24 XLT O Serial data latch pulse output
25 XRST O Reset signal output to the CD mechanism
26 XCTN O XCTN signal output (for Tuner noise reduction)
27 A-MUTE O Audio muting on/off control signal output
28 MP3-STANDBY O Standby signal output to the MP3 circuit
29 IIC_CLK I/O Communication data reading clock signal input or transfer clock siganal output
30 IIC_DATA I/O Communication data bus with CD mechanism and Fluorescent indicater
31 MP3 REQ I REQ signal input from MP3 circuit
32 MP3 RESET O RESET signal output to the MP3 circuit
33 CDM-MOT-POS-1 O Motor drive signal output (L/D)
34 CDM-MOT-POS-2 O Motor drive signal output (U/D)
35 CDM-MAIN-SW-CLS I Detection signal input from disc tray close detect main switch
36 CDM-SUB-SW-OPN I Detection signal input from disc tray open detect sub switch
37 CDM-ENC-A-1 I Detection signal input from the disc tray address detect rotary encoder
38 CDM-ENC-A-3 I Detection signal input from the disc tray address detect rotary encoder
39 CDM-ENC-B-1 I Detection signal input from the disc tray address detect rotary encoder
40 CDM-ENC-B-3 I Detection signal input from the disc tray address detect rotary encoder
41 CDM-ENC-B-2 I Detection signal input from the disc tray address detect rotary encoder
42 CDM-ENC-B-0 I Detection signal input from the disc tray address detect rotary encoder
43 CDM-ENC-A-2 I Detection signal input from the disc tray address detect rotary encoder
44 CDM-ENC-A-0 I Detection signal input from the disc tray address detect rotary encoder
45 CDM-SUB-SW-CLS I Detection signal input from disc tray close detect sub switch
46 CDM-MAIN-SW-OPN I Detection signal input from disc tray open detect main switch
47 CDM-MOT-NEG-2 O Motor drive signal output (U/D)
48 CDM-MOT-NEG-1 O Motor drive signal output (L/D)
49 RDS-DATA I RDS data input
50 ST-MUTE O Tuner muting control signal output to tuner unit
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