80
HCD-HPZ7/HPZ9
Pin No.
Pin Name
I/O
Description
1
CD DISCSENS 2
I
DISC 4, 5 and DISC (+1) detect signal input
2
CD DISCSENS 1
I
DISC 1 to 3 detect signal input
3
STBY LED
O
LED drive signal output terminal (power)
4
SIRCS IN/WAKE
I
SIRCS signal input terminal
5
MP3 DATA OUT
O
Serial data output to the MP3 decoder
6
MP3 DATA IN
I
Serial data input from the MP3 decoder
7
MP3 CLK
O
Serial data transfer clock signal output to the MP3 decoder
8
BYTE
I
External data bus width select signal input terminal (connected to ground)
9
CNVSS
—
Ground terminal
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 (16 MHz)
14
VSS
—
Ground terminal
15
XIN
I
Main system clock input terminal (16 MHz)
16
VCC
—
Power supply terminal (+3.3V)
17
NMI
I
Non-maskable interrupt signal input terminal (Not used)
18
RDS-CLK
O
RDS serial data transfer clock signal output terminal (only for AEP, UK, CET models)
19
CD SCOR
I
Subcode Q data request signal input terminal
20
AC-CUT
I
Power down detection signal input terminal “L”: power down
21
RDS DATA
I
RDS serial data input terminal (only for AEP, UK, CET models)
22
CD XRST
O
System reset signal output to the RF AMP
23
CD XLT
O
Latch pulse signal output to the RF AMP
24
MP3 ACK
I
Acknowledge signal input from the MP3 decoder
25
MP3 XLAT
O
Serial data latch pulse output to the MP3 decoder
26
MP3 REQ
O
Data transfer request signal output to the MP3 decoder
27
MP3 IREQ
I
Data transfer request signal input from the MP3 decoder
28
MP3 STB
O
Standby signal output to the MP3 decoder
29
IIC CLK
I/O
IIC data transfer clock signal input and output (Not used)
30
IIC DATA
I/O
IIC two-way data bus (Not used)
31
SDA
O
SDA signal output
32
SCL
O
SCL signal output
33
XTCN
O
Oscillator control signal output to the CD DSP
34
CD BD POWER
O
Power on/off control signal output for CD block
35
CD DATA
O
Serial data output to the CD DSP
36
CD SENS
I
Internal status (SENSE) input from the CD DSP
37
CD CLK
O
Serial data transfer clock signal output to the CD DSP
38
CD AMUTE
O
CD muting on/off control signal output terminal (Not used)
39
FL DATA
O
Serial output to the FL/LED driver
40
ELV E3/TRE A
I
ELV pulse input from the rotary encoder
41
ELV E2/TRE B
I
ELV dial pulse input from the rotary encoder
42
ELV E1/BASS A
I
ELV dial pulse input from the rotary encoder
43
ELV E0/BASS B
I
ELV dial pulse input from the rotary encoder
44
SW4 (8CM)
I
CD disc size detection (8cm) signal input terminal
45
SW3 (PUSH-CLOSE)
I
CD push-close switch input terminal
46
SW2-1 (CLOSE)
I
CD close switch input terminal
47
SW2-2 (LOD POSITION)
I
CD loading position switch input terminal
48
SW1 (OPEN)
I
CD open switch input terminal
MAIN BOARD IC306 M30624MGP-A56FPU0 (SYSTEM CONTROLLER)
