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HCD-EC70
PANEL BOARD IC701 MB90802-108 (SYSTEM CONTROLLER)
Pin No.
1
2
3
4
5
6
7
8
P33/TMCK
9
10
11
12
13
14
15
16
17
18
19
20
21
22
P45/LED5/TOT0
23
P46/LED6/TOT1
24
P47/LED7/TOT2
25
26
27
P52/TIN2/PPG0
28
29
30
31
32
33
34
35
36
37
38
39
40
41
P65/AN5/INT0
42
P66/AN6/INT1
43
P67/AN7/INT2
44
45
P70/AN8/INT3
46
P71/AN9/SC1
47
P72/AN10/SO1
48
P73/AN11/SI2
44
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Pin Name
I/O
P24
O
Power relay control signal output
P25
O
Amp control signal output
P26
O
System reset signal output to the RF AMP
P27
O
Control signal output to the PB/REC EQ AMP
P30/SO3
O
Serial data output to the MP3 decoder
P31/SC3
O
Serial data transfer clock signal output to the MP3 decoder
P32/SI3
I
Serial data input
O
Latch pulse signal output to the RF AMP
P34/IC0
I
Remote sensor signal input
P35/IC1
O
Serial data latch pulse output to the MP3 decoder
P36/OCU0
O
M-MUTE signal output to the MP3 decoder
P37/OCU1
O
Data transfer request signal output to the MP3 decoder
X0A/P90
O
Resonator output terminal (32.768kHz)
X1A/P91
I
Resonator input terminal (32.768kHz)
VCC
—
Power supply terminal (+3.3V)
VSS
—
Ground terminal
P40/LED0
O
STANDBY LED control signal output
P41/LED1
I
CD switch (SW3) input terminal
P42/LED2
I
CD switch (SW1) input terminal
P43/LED3
I
CD switch (SW2) input terminal
P44/LED4
O
Loading motor control signal output
O
Loading motor control signal output
O
Elevator up/down motor control signal output
O
Elevator up/down motor control signal output
P50/TIN0
I
CD chuck switch (SW7) input terminal
P51/TIN1
I
CD close switch (SW6) input terminal
I
CD stock switch (SW5) input terminal
P53/PPG1
I
CD open switch (SW8) input terminal
P54/SI0
I
Internal status (SENSE) input from the CD DSP
P55/SC0
O
Serial data transfer clock signal output to the CD DSP
P56/SO0
O
Serial data output to the CD DSP
AVCC
—
Power supply terminal (+3.3V)
P57/SI1
I
Data input from the the tuner
P76
O
Oscillator control signal output to the CD DSP
AVSS
—
Ground terminal
P60/AN0
I
Power detection signal input
P61/AN1
I
Key AD input1
P62/AN2
I
Key AD input2
P63/AN3
I
Tuner tuned status signal input
P64/AN4
I
Bias signal input from the bias oscillation circuit
I
Key AD input3
I
Power down detection signal input
I
Subcode data request signal input terminal
VSS
—
Ground terminal
—
Not used (open)
O
Back light LED control signal output
I
SUFFIX signal input (Connected to +3.3V)
I
Signal input from the volume encoder
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