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PANEL BOARD IC301 MB90F831PF-G-SPE1 (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
1
SEG32
O
Segment drive signal output to the liquid crystal display
2
O-SP-RELAY-ON
O
Relay drive signal output terminal (for speaker)
3
O-POWER
O
Main power on/off control signal output terminal
4
O-5V-ON
O
CD and VBUS power on/off control signal output terminal
5, 6
NC
-
Not used
7
CDM-OPEN
I
Detection switch input from the CD lid open/close detect switch
8
NC
-
Not used
9
I-RMC
I
Remote control signal input from the remote control receiver
10 to 12
NC
-
Not used
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 (+3.3V)
16
VSS
-
Ground terminal
17
O-CD-CE
O
Chip enable signal output to the CD-MP3 processor
18
O-CD-CL
O
Clock signal output to the CD-MP3 processor
19
I-CD-DI
I
Serial data input from the CD-MP3 processor
20
O-CD-DO
O
Serial data output for the CD-MP3 processor
21, 22
NC
-
Not used
23
O-CD-M-MUTE
O
CD motor drive on/off mute control signal output to the CD motor/coil driver
24
O-CD-RST
O
System reset signal output to the CD-MP3 processor
25
NC
-
Not used
26
O-CD-ON
O
CD power on/off control signal output terminal
27
NC
O
Not used
28
O-LED-LCD
O
LED drive signal output terminal for STANDBY indicator
29
I-USB-TXD
I
USB TX signal input from the USB controller
30
O-TP-REC-MUTE
I
Not used
31
O-USB-RXD
O
USB RX signal output to the USB controller
32
AVCC
-
Power supply terminal (+3.3V)
33
O-USB-SLEEP
O
Sleep control signal output to the USB controller
34
O-USB-RST
O
System reset signal output to the USB controller
35
AVSS
-
Ground terminal
36
I-P-MONI
I
Power monitor signal input terminal
37, 38
I-KEY1, I-KEY2
I
Front panel key input terminal (A/D input)
39
I-TU-ANSD
I
Auto gain control signal input terminal
40
I-5V/9V-DET
I
Power supply voltage detection signal input terminal
41
I-KEY-WAKE-UP/VOL
I
Front panel key wake-up signal input/volume control signal input terminal
42
I-HOLD
I
Not used
43
NC
-
Not used
44
GND
-
Ground terminal
45
NC
-
Not used
46
I-MODEL
I
Model setting terminal
47
I-SUFFIX
I
Destination x setting terminal
48
I-TU-DO
I
Serial data input from the AM/FM DET
49
O-I2C-FUNC-DATA
O
Serial data output to the electrical volume
50
O-I2C-FUNC-CLK
O
Serial data transfer clock signal output to the electrical volume
51
MD2
-
Not used
52
MD1
-
Not used
53
MD0
-
Not used
54
I-RST
I
Reset signal input from the voltage detect
55
O-TU-CE
O
Chip enable signal output to the AM/FM DET
56
O-TU-DI
O
Serial data output to the AM/FM DET
57
O-TU-CLK
O
Serial data transfer clock signal output to the AM/FM DET
58
VLCD
-
Terminal for doubler circuit capacitor connection to develop liquid crystal display drive voltage
59 to 62
COM0 to COM3
O
Common drive signal output to the liquid crystal display
63, 64
SEG0, SEG1
O
Segment drive signal output to the liquid crystal display
65
VCC
-
Power supply terminal (+3.3V)
66
VSS
-
Ground terminal
67 to 89
SEG2 to SEG24
O
Segment drive signal output to the liquid crystal display
HCD-EC59/EC590
Description
"H": main power on
"H": CD and VBUS power on
"L": reset
"H": CD power on
"L": reset
17
Pin No.
Pin Name
I/O
90
VCC
-
Power supply terminal (+3.3V)
91
VSS
-
Ground terminal
92
X1
I
Main system clock input terminal (6 MHz)
93
X0
O
Main system clock output terminal (6 MHz)
94 to 100
SEG25 to SEG31
O
Segment drive signal output to the liquid crystal display
17
HCD-EC59/EC590
Description
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