Kenwood KDC-4047UA, Руководство по обслуживанию

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KDC-4047UA/4047UG/4047UGY/4047UM
KDC-414UA/414UM/MP245U/U3046/U346/U4046
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Bolero μ -COM : IC900 on X34- (ELECTRIC UNIT)
Pin No. Pin Name I/O Application Processing / Operation / Description
1 MRST
- Reset L: Reset, H: Normal
2 MSTOP I Stop signal from system μ -com H: Normal, L: SOC stop
3 REQ S I Request signal from system μ -com L: Request
4 NC - Not used
5 BSIF ST REQ I BSIF
6 VCC - Power supply
7 XT1 - Low frequency oscillator Sub clock 32.768kHz
8 XT2 - Low frequency oscillator Sub clock 32.768kHz
9 PWE - External power supply output L: Stop
10 DVSS - GND
11 DVCC1B - For SRAM with built-in power supply
12 RVOUT1 - Built-in REG1.5V output
13,14 RVIN - Built-in REG power supply input
15 RVOUT2 - Built-in REG1.5V output
16 DVCC1A - For logic with built-in power supply
17 DVSS - GND
18~22 NC - Not used Output L fi xed
23 CD CCE O CD mechanism chip enable Command I/F
24 CD RST O CD mechanism reset H: Normal, L: Reset
25 NC - Not used Output L fi xed
26 DVSS - GND
27 DVCC3A - For I/O around power supply
28 CD REQ I Communication request from mechanism DSP H: Data request
29 CD SRAM STBY O Decoder SRAM standby control L: SRAM standby
30 CD DRIVE MUTE O CD motor driver mute output
31 CD PON O CD mechanism power supply control output H: Power supply ON, Hi-z: Power supply OFF
32~43 NC - Not used Output L fi xed
44 DVSS - GND
45 DVCC3A - For I/O around power supply
46~54 NC - Not used Output L fi xed
55 NC (IPOD CHECK) - For iPod authentication IC mounting con fi rmation Outputs Hi when iPod communication is detected
56~61 NC - Not used Output L fi xed
62 DVSS - GND
63 DVCC3A - For I/O around power supply
64 NC - Not used Output L fi xed
65 ZDET IN I ZDET (0-bit mute request) L: Normal, H: Mute request
66 CD MUTE O Mute request to system μ -com L: Mute request, H: Normal
67 REQ M O Request signal to system μ -com L: Request
68 IPOD RST O Reset
69 BOOT I For fl ash ROM writing
MICROCOMPUTER’S TERMINAL DESCRIPTION