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HCD-EC709iP/EC909iP
• IC Pin Function Description
PANEL BOARD IC301 MB90F830PF-GE1 (SYSTEM CONTROLLER)
Pin No.
Pin Name
1
SEG32
2
O-SP-RELAY
3
O-POWER
4
O-CD-ON
5
NC
O-SUBWOOFER-ON/
6
NC
I-CDM-OPEN_
7
CLOSE
8
NC
9
I-RMC
10
NC
11
O-5V-ON
12
NC
13
X0A
14
X1A
15
VCC
16
VSS
17
O-CD-CE
18
O-CD-CL
19
I-CD-DI
20
O-CD-DO
21
O-iPhone-DET-CTL
22
I-iPod-ACCP
23
O-CDM-M-MUTE
24
O-CD-RESB
25 to 27
NC
28
O-LED
29
I-iPod-TXD
30
O-iPod-CP-RESET
31
O-iPod-RXD
32
AVCC
33
O-AUDIO-DATA
34
O-AUDIO-CLK
35
AVSS
36
I-P-MONI
37, 38
I-KEY1, I-KEY2
39
I-TU-ANSD
40
I-5V/9V-DET
41
I-KEY-WAKE-UP/VOL
42
I-HOLD
43
NC
44
GND
45
I-iPod-DET
46
I-MODEL
47
I-SUFFIX
48
I-TU-DO
49
I/O-iPhone-CP-DATA
50
I/O-iPhone-CP-CLK
51 to 53
MD2 to MD0
54
I-RST
55
O-TU-CE
56
O-TU-DI
57
O-TU-CLK
58
VLCD
COM0, COM1,
59 to 62
CMO2, CMO3
32
I/O
O
Segment drive signal output to the liquid crystal display
O
Relay drive signal output terminal (for speaker)
O
Main power on/off control signal output terminal
O
CD power on/off control signal output terminal
-
Not used
O
Subwoofer function on/off control signal output terminal (EC909iP only)
I
Detection switch input from the CD lid open/close detect switch
-
Not used
I
Remote control signal input from the remote control receiver
-
Not used
O
VBUS power supply on/off control signal output terminal
-
Not used
I
Sub system clock input terminal (32.768 kHz)
O
Sub system clock output terminal (32.768 kHz)
-
Power supply terminal (+3.3V)
-
Ground terminal
O
Chip enable signal output to the CD-MP3 processor
O
Serial data transfer clock signal output to the CD-MP3 processor
I
Serial data input from the CD-MP3 processor
O
Serial data output to the CD-MP3 processor
O
iPhone detection signal output to the iPod/iPhone connector
I
Wakeup signal input from the iPod/iPhone connector
O
Motor drive on/off control signal output to the motor/coil driver
O
Reset signal output to the CD-MP3 processor
-
Not used
O
LED drive signal output terminal for LCD backlight
I
Serial data input from the iPod/iPhone connector
O
Reset signal output to the EEPROM
O
Serial data output to the iPod/iPhone connector
-
Power supply terminal (+3.3V)
O
Serial data output to the electrical volume
O
Serial data transfer clock signal output to the electrical volume
-
Ground terminal
I
Power monitor signal input terminal
I
Front panel key input terminal (A/D input)
I
Auto gain control signal input terminal
I
Power supply voltage detection signal input terminal
I
Front panel key input terminal (A/D input)
I
Hold signal input terminal
-
Not used
-
Ground terminal
I
iPod & iPhone detection signal input terminal
I
Model setting terminal
I
Suffi x setting terminal
I
Serial data input from the AM/FM-DET
I/O
Two-way data bus with the EEPROM
I/O
Serial data transfer clock signal bus with the EEPROM
-
Not used
I
Reset signal input from the reset switch
O
Chip enable signal output to the AM/FM-DET
O
Serial data output to the AM/FM-DET
O
Serial data transfer clock signal output to the AM/FM-DET
Terminal for doubler circuit capacitor connection to develop liquid crystal display drive volt-
-
age
O
Common drive signal output to the liquid crystal display
Description
"H": main power on
"H": CD power on
"L": reset
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