HCD-EC59
HCD-EC59
1717
PANEL BOARD IC301 MB90F831PF-G-SPE1 (SYSTEM CONTROLLER)
Pin No. Pin Name I/O Description
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 “H”: main power on
4 O-5V-ON O CD and VBUS power on/off control signal output terminal “H”: CD and VBUS power on
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 “L”: reset
25 NC - Not used
26 O-CD-ON O CD power on/off control signal output terminal “H”: CD power on
27 NC O Not used
28 O-LED-LCD O LED drive signal output terminal for STANDBY indicater
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 “L”: reset
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
Pin No. Pin Name I/O Description
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
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