Pioneer VSX-D1011-K, Service Manual

Page: 132 / 150

VSX-D2011-S
132
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Pin Function
No. Pin Name I/O Pin Function Active
1 12VTRIGGER O "H" at O
2 – O NC "L" fixed.
3 1394 RST O Standby for 1394 (Not used) "L" fixed.
4 1394 CS O Standby for 1394 (Not used) "L" fixed.
5 1394 DI O Standby for 1394 (Not used) "L" fixed.
6 1394 DO I Standby for 1394 (Not used) Standby with the circuit.
7 1394 CK O Standby for 1394 (Not used) "L" fixed.
8 GND
−
Ground
9 CNVSS
−
5.1k
Ω
pulldown
10 – O L" fixed
11 – O L" fixed
12 XRESET
−
Reset
13 XOUT
−
Oscillator
14 GND
−
Ground
15 XIN
−
Oscillator
16 5V
−
5V power supply
17 NMI I Cannot use it as usual input port (100k
Ω
pullup)
18 WAKEUP I Wakeup H
19 1394 INT I Standby for 1394 (Not used) Standby with the circuit.
20 1W WUP I Wakeup signal at standby (from the display microcomputer) (pulldown) H
21 – O L" fixed
22 DISP EN O Communication enabling signal to the display microcomputer H
23 OSD RST O OSD-IC reset signal L: reset, H: release reset
24 OSD CS O OSD-IC chip select signal H
25 OSD CONT. O At data transfer to the OSD-IC: "H"
26 DISP RST O Display microcomputer reset signal L: reset, H: release reset (pulldown)
27 DISP RDY I Communication enabling signal from the display microcomputer H
28 OSD/DISP CLK O Communication clock signal with the OSD-IC/display microcomputer
29 DISP DO I Communication data in signal with the display microcomputer (N ch open drain)
30 OSD/DISP DI O Communication data out signal with the OSD-IC/display microcomputer (N ch open drain: pullup)
31 232C RXD O For 232C rewriting (data output)
32 232C TXD I For 232C rewriting (data input)
33 CLK O Not used
34 232C CTS O For 232C rewriting (communication enabling)
35 DSP DI O Communication data out signal with the DSP1 microcomputer
36 DSP DO I Communication data in signal with the DSP2 microcomputer
37 DSP CLK O Communication clock signal with the DSP microcomputer
38 DSP1 RST O DSP1 microcomputer reset signal L: reset, H: release reset
39 DSP2 RST O DSP2 microcomputer reset signal L: reset, H: release reset
40 DSP1 SS O Slave select signal to DSP1 microcomputer L
41 DSP2 SS O Slave select signal to DSP2 microcomputer L
42 DSP MODE1 O Mode selection of DSP1 microcomputer (ROM/RAM) H: ROM mode, L: RAM (PPP) mode H
43 DSP MODE2 O Mode selection of DSP2 microcomputer (ROM/RAM) H: ROM mode, L: RAM (PPP) mode H
44 DIR DI O Communication data out signal with the DIR
45 DIR DO I Communication data in signal with the DIR/DAC
46 DIR CS O Communication chip select signal with the DIR/DAC
47 DIR CK O Communication clock signal with the DIR/DAC
48 DIR ERR I Lock/Unlock signal
49 DIR RST O DIR reset signal
50 DECO MUTE I Boot success detecting port of 1st DSP
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