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HCD-EH10
Ver. 1.3
PANEL BOARD IC701 MB90802-107 (SYSTEM CONTROLLER)
Pin No.
Pin Name
1
P24
2
P25
3
P26
4
P27
5
SO3
6
SC3
7
SI3
8
TMCK
9
IC0
10
IC1
11
OCU0
12
OCU1
13
X0A
14
X1A
15
VCC
16
VSS
17
LED0
18 to 24
LED1 to LED7
25, 26
TIN0, TIN1
27
TIN2
28
PPG1
29
SI0
30
SC0
31
SO0
32
AVCC
33
SI1
34
P76
35
AVSS
36
AN0
37, 38
AN1, AN2
39
AN3
40
AN4
41
AN5
42
AN6
43
AN7
44
VSS
45
INT3
46
SC1
47
SO1
48
SI2
49
SC2
50
SO2
51 to 53
MD2 to MD0
54
RSTX
55
V0
32
I/O
O
Main power on/off control signal output terminal
O
Standby control signal output to the power amplifier and system reset signal output to the CD DSP
-
Not used
O
Serial data output to the electrical volume
O
MP3 serial data output to the CD DSP
O
MP3 serial data transfer clock signal output to the CD DSP
I
MP3 serial data input terminal
O
CD serial data latch pulse signa output to the CD DSP
I
Remote control signal input from the remote control receiver
O
MP3 serial data latch pulse signal output to the CD DSP
O
System reset signal output to the motor/coil driver
O
MP3 data request signal output to the CD DSP
I
Sub system clock input terminal (32.768 kHz)
O
Sub system clock output terminal (32.768 kHz)
-
Power supply terminal (+3.1V)
-
Ground terminal
O
LED drive signal output terminal for STANDBY indicater
O
Not used
O
Not used
I
RDS serial data input terminal (AEP, East European, Russian models)
I
CD lid open/close detection switch input terminal "L": CD lid close
I
Internal status (SENSE) signal input from the CD DSP
O
CD serial data transfer clock signal output to the CD DSP
O
CD serial data output to the CD DSP
-
Power supply terminal (+3.1V)
I
Serial data input from the FM/AM tuner
O
Oscillator control signal output to the CD DSP
-
Ground terminal
I
Power monitor input terminal
I
Front panel key input terminal (A/D input)
I
Auto gain control signal input terminal
I
REC switch signal input terminal
I
Front panel key input terminal (A/D input)
-
Not used
I
Subcode sync (S0+S1) detection signal input from the CD DSP
-
Ground terminal
I
RDS serial data transfer clock signal input terminal (AEP, East European, Russian models)
O
LED drive signal output terminal for liquid crystal display back light
I
Model destination setting terminal
I
Dial pulse input of the rotary encoder (for VOLUME control)
I
MP3 data request signal input from the CD DSP
I
MP3 acknowledge signal input from the CD DSP
-
Not used
Reset signal input from the reset switch "L": reset
I
For several hundreds msec. after the power supply rises, "L" is input, then it changes to "H"
O
Chip enable signal output to the FM/AM tuner
Description
"H": on
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