Kenwood eXcelon KDC-X792, Руководство по обслуживанию, Страница: 11 / 54

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KDC-MP738U/W7541U
/W7541UY/X792/X8009U
MICROCOMPUTER’S TERMINAL DESCRIPTION
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SUB MICROCOMPUTER 92CD28AFG6VV1 (X34: IC700)
Pin No. Pin Name I/O Application Processing / Operation / Description
1 MRST - Reset L: RESET, H: In normal condition
2 MSTOP I
STOP signal from system μ -com(Momentary power down
detection / Recovery to low power consumption mode)
H: Normal
L: Stop SOC
3 REQ_S I REQ signal from system μ -com L: Request
4 IPOD_RDY I RDY signal of iPOD authentication
5 BSIF_ST_REQ I BSIF
6 VCC - Power supply terminal (For PC port and PMC circuit)
7 XT1 -
Low frequency oscillator connection terminal
sub-clock 32.768kHz
8 XT2 -
Low frequency oscillator connection terminal
sub-clock 32.768kHz
9 PWE - External power supply control output L: STOP
10 DVSS - GND terminal
11 DVCC1B - For power supply terminal and built-in SRAM
12 RVOUT1 -
Built-in regulator 1.5V output
(Flash version does not output voltage).
13 RVIN -
Built-in regulator power supply input
(Flash version has power supply terminal).
14 RVIN -
Built-in regulator power supply input
(Flash version has power supply terminal).
15 RVOUT2 -
Built-in regulator 1.5V output
(Flash version does not output voltage).
16 DVCC1A - For power supply terminal and built-in logic
17 DVSS - GND terminal
18~22 NC O Not used Output L fi xed
23 CD_CCE O Command I/F, CD mechanism chip enable terminal “L” during other source
24 CD_RST O RESET, CD mechanism RST terminal H: Normal, L: Reset
25 NC O Not used Output L fi xed
26 DVSS - GND terminal
27 DVCC3A - For power supply terminal and peripheral I/O
28 CD_REQ I
Command I/F
Communication request terminal from mechanism DSP
H: Data request
29 CD_SRAMSTBY O Decoder SRAM STANDBY control L: SRAM standby (6E ∗∗ )
30 CD_DRIVEMUTE O CD motor drive mute output
31 CD_PON O CD mechanism power supply control output H: Power ON (6E ∗∗ ), Hi-z: Power OFF
32~43 NC O Not used Output L fi xed
44 DVSS - GND terminal
45 DVCC3A - For power supply terminal and peripheral I/O
46~61 NC O Not used Output L fi xed
62 DVSS - GND terminal
63 DVCC3A - For power supply terminal and peripheral I/O
64 NC O Not used Output L fi xed
65 ZDET_IN I ZDET, 0 bit mute request terminal L: Mute request, H: While in normal