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54
HCD-EC55/EC77/GX99
PANEL BOARD IC301 MB90803PF-G-130E1 (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
O-POWER
O
Power relay control signal output terminal
2
O-AMP-ON
O
AMP control signal output terminal
3
O-FUNC-CLK
O
Function select control serial data signal to IC602
4
O-FUNC-DATA
O
Function select control serial clock signal to IC602
5
I-CD-SW3
I
SW3 control input signal from CD
6
I-CD-SW2
I
SW2 control input signal from CD
7
I-CD-SW1
I
SW1 control input signal from CD
8
O-CD-M1+
O
M1+ control output signal terminal
9
I-RMC
I
Remote sensor input signal terminal
10
O-CD-M1–
O
M1– control output signal terminal
11
O-CD-M2+
O
M2+ control output signal terminal
12
O-CD-M2–
O
M2– control output signal terminal
13
X0A
O
Resonator output terminal (32.768KHz)
14
X1A
I
Resonator input terminal (32.768KHz)
15
VCC
—
Power supply terminal (+3.3V)
16
VSS
—
Ground terminal
17
I/O-CD-BUS0
O
CD data line to BD90
18
I/O-CD-BUS1
O
CD data line to BD90
19
I/O-CD-BUS2
O
CD data line to BD90
20
I/O-CD-BUS3
O
CD data line to BD90
21
I-CD-CHACK
I
CD chack switch (SW7) input terminal from BD90
22
I-CD-CLOSE
I
CD close switch (SW6) input terminal from BD90
23
I-CD-STOCK
I
CD stock switch (SW5) input terminal from BD90
24
I-CD-OPEN
I
CD open switch (SW8) input terminal from BD90
25
O-CD-BUCK
O
CD clock output terminal
26
O-CD-CCE
O
CD chip select enable output terminal
27
O-CD-RST
O
Zipang reset control output terminal
28
O-LED-STBY
O
STBY -LED control signal output terminal
29
I-CD-ZDET
O
ZDET output terminal
30
O-CD-M-MUTE
O
Motor driver mute signal output terminal
31
O-CD-REQ
O
CD DSP MP3 serial data request signal output terminal
32
AVCC
—
Power supply terminal (+3.3V)
33
I-TU-DO
O
TU data output signal terminal
34
O-TP-REC-MUTE
O
Tape REC mute signal output terminal (Except US, CND)
35
AVSS
—
Ground terminal
36
I-P-MONI
I
Power monitor signal input terminal
37
I-KEY1
I
KEY-CD board control signal (KEY-1) input terminal
38
I-KEY2
I
KEY-RIGHT board control signal (KEY-2) input terminal
39
I-TU-ANSD
I
Tuner analog SD input terminal
40
I-TP-STATE
I
Tape deck statement monitor terminal (US, CND not used (Fixed to “L”))
41
I-KEY-WAKE
I
KEY-LEFT board control signal (KEY-0) input terminal
42
I-HOLD
I
IC301 stop mode control input terminal
43
O-CD-SBSY
I
CD-SBSY signal input terminal
44
GND
—
Ground terminal
45
O-LED
O
LCD back light control output terminal
46
I-MODEL
I
Fixed model input terminal
47
I-SUFFIX
I
Fixed model suffix input terminal
48
I-RE-VOL
I
Input signal from the volume encoder
Ver. 1.2
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