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32
HCD-EH10
PANEL BOARD IC701 MB90802-107 (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
P24
O
Main power on/off control signal output terminal "H": on
2
P25
O
Standby control signal output to the power amplifier and system reset signal output to the CD DSP
3
P26
-
Not used
4
P27
O
Serial data output to the electrical volume
5
SO3
O
MP3 serial data output to the CD DSP
6
SC3
O
MP3 serial data transfer clock signal output to the CD DSP
7
SI3
I
MP3 serial data input terminal
8
TMCK
O
CD serial data latch pulse signa output to the CD DSP
9
IC0
I
Remote control signal input from the remote control receiver
10
IC1
O
MP3 serial data latch pulse signal output to the CD DSP
11
OCU0
O
System reset signal output to the motor/coil driver
12
OCU1
O
MP3 data request signal output to the CD DSP
13
X0A
I
Sub system clock input terminal (32.768 kHz)
14
X1A
O
Sub system clock output terminal (32.768 kHz)
15
VCC
-
Power supply terminal (+3.1V)
16
VSS
-
Ground terminal
17
LED0
O
LED drive signal output terminal for STANDBY indicater
18 to 24
LED1 to LED7
O
Not used
25, 26
TIN0, TIN1
O
Not used
27
TIN2
I
RDS serial data input terminal (AEP, East European, Russian models)
28
PPG1
I
CD lid open/close detection switch input terminal "L": CD lid close
29
SI0
I
Internal status (SENSE) signal input from the CD DSP
30
SC0
O
CD serial data transfer clock signal output to the CD DSP
31
SO0
O
CD serial data output to the CD DSP
32
AVCC
-
Power supply terminal (+3.1V)
33
SI1
I
Serial data input from the FM/AM tuner
34
P76
O
Oscillator control signal output to the CD DSP
35
AVSS
-
Ground terminal
36
AN0
I
Power monitor input terminal
37, 38
AN1, AN2
I
Front panel key input terminal (A/D input)
39
AN3
I
Auto gain control signal input terminal
40
AN4
I
REC switch signal input terminal
41
AN5
I
Front panel key input terminal (A/D input)
42
AN6
-
Not used
43
AN7
I
Subcode sync (S0+S1) detection signal input from the CD DSP
44
VSS
-
Ground terminal
45
INT3
I
RDS serial data transfer clock signal input terminal (AEP, East European, Russian models)
46
SC1
O
LED drive signal output terminal for liquid crystal display back light
47
SO1
I
Model destination setting terminal
48
SI2
I
Dial pulse input of the rotary encoder (for VOLUME control)
49
SC2
I
MP3 data request signal input from the CD DSP
50
SO2
I
MP3 acknowledge signal input from the CD DSP
51 to 53
MD2 to MD0
-
Not used
54
RSTX
I
Reset signal input from the reset switch "L": reset
For several hundreds msec. after the power supply rises, "L" is input, then it changes to "H"
55
V0
O
Chip enable signal output to the FM/AM tuner
Содержание HCD-EH10
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