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54
HCD-CPZ1
MAIN BOARD IC301 M30624MGP-A41FPU0 (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
AC DET
I
Protect signal input terminal
2
ST MUTE
O
Tuner muting on/off control signal output terminal "H": muting on
3
MP3 SSTB
O
MP3 standby on/off control signal output terminal "L": standby
4
SIRCS
I
Remote control signal input terminal
5
MP3 DATA OUT
O
MP3 serial data output to the CD DSP
6
MP3 DATA IN
I
MP3 serial data input terminal
7
MP3-CLK
O
MP3 serial data transfer clock signal output to the CD DSP
8
BYTE
I
External data bus line byte selection signal input fixed at "L"
9
CNVSS
-
Processor mode switch terminal (for test)
10
XCIN
I
Sub system clock input terminal (32.768 kHz)
11
XCOUT
O
Sub system clock output terminal (32.768 kHz)
12
RESET
I
System reset signal input terminal "L": reset
For several hundreds msec. after the power supply rises, "L" is input, then it changes to "H"
13
XOUT
O
Main system clock output terminal (10 MHz)
14
VSS
-
Ground terminal
15
XIN
I
Main system clock input terminal (10 MHz)
16
VCC
-
Power supply terminal (+3.3V)
17
NMI
I
Non-maskable interrupt input terminal Not used
18
RDS INT
I
Interrupt status input from the tuner unit Used for AEP, UK, East European models
19
CD SCOR
I
Sub-code sync (S0+S1) detection signal input from the CD DSP
20
AC CUT
I
AC detection signal input terminal "L": AC off
21
ST CLK
O
PLL serial data transfer clock signal output to the tuner unit
22
ST DATA IN
I
PLL serial data input from the tuner unit
23
ST DATA OUT
O
PLL serial data output to the tuner unit
24
ST CE
O
PLL serial chip enable signal output to the tuner unit
25
TUNED IN
I
Tuning detection signal input from the tuner unit
26
RDS-DATA
I
Serial data input from the RDS decoder on the tuner unit Used for AEP, UK, East European models
27
TC TRIG
O
Trigger plunger on/off control signal output "H": plunger on
28
TC CAPM CNT1
O
TC capstan motor drive signal output terminal
29
IIC CLK
I/O
IIC data reading clock signal input or transfer clock signal output terminal Not used
IIC two-way data bus terminal Not used
Tape play detection switch input terminal "L": tape play mode
Recording bias on/off control signal output terminal "H": bias on
Playback/record selection signal output "L": playback, "H": record
Line muting on/off selection signal output to the HA12215F
CD serial data output to the CD DSP
SENS signal input from the CD DSP
CD serial data transfer clock signal input from the CD DSP
38
TC REC MUTE
O
Recording muting on/off control signal output terminal
39
ALC
O
Automatic limiter control signal output terminal
40
S-MASTER INIT
O
Initialize signal output to the stream processor
41
S-MASTER
NSP MUTE
O
NSP muting on/off signal output to the stream processor
42
S-MASTER LATCH
O
Serial data latch pulse signal output to the stream processor
43
S-MASTER SHIFT
O
Shift clock signal output to the stream processor
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