Pioneer DEH-P946, Service Manual

Page: 103 / 142

103
DEX-P1R,DEH-P946,DEX-P1
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Pin Functions (PD4908A)
Pin No. Pin Name I/O Function and Operation
1
swvdd
O GRIL:Power Output
2
dsens
I Detach sense input
3
psens
I Grill eject button sense input
4
isens
I Illumination sense input
5 TESTIN I Test program input
6
idrst
O ID-LOGIC:Mother Reset output (RDS:Reset output)
7 IDSEL O ID-LOGIC:Select output
8
idck
O ID-LOGIC:Clock input/output (RDS:SK input)
9 IDDI I ID-LOGIC:data input (RDS:decoder)
10 IDDO O ID-LOGIC:data output
11
reset
Reset input
12 XT2 Clock connection pin (OPEN)
13 XT1 Clock connection pin (VSS connection)
14 VSS GND
15 X2 Main oscillator connection pin
16 X1 Main oscillator connection pin (12.582912MHz)
17 REGOFF Regulator operation designate signal (VDD connection)
18 REGC Regulator output sense capacity connection (VDD connection)
19 VDD Power supply
20 ILMPW O Illumination output
21 SYSPW O System power control output
22
adpw
O A/D converter power output
23 LCDPW O LCD back light power output
24 IPPW O IPBUS driver power control output
25 ASENBO O Slave Acc sense output
26 NC O Not used
27 TELIN I TELL mute output
28 MUTE O All mute output
29 DIM O Dimer output
30 FLPCLS O Auto flap motor close output
31 FLPOPN O Auto flap motor open output
32
fopnsw
I Auto flap motor open SW input
33
fclssw
I Auto flap motor close SW input
34 FLPPW O Auto flap power output
35 NC O Not used
36
tmute
O TUNER mute output
37 STDPRO I DSP STD/PRO select input
38 SD I SD input
39
st
I Stereo input
40 VSS GND
41 VDD Power supply
42-46 NC Not used
47 DRELAY O DFS:Extral relay output (J:Antenna power output)
48 DRSENS I DFS:Door open/close sense input
49 DRSYS O DFS:Door system select output
50
dled
O DFS:Alarm LED output
51 DLSENS I DFS:Door lock cancellation sense input
52 STCUT O DFS:Ignition cut off output
53
mosens
I DFS:Motion/Window damage sensor input
54 DALMON O DFS alarm ON output
55-60 NC O Not used
61 MCSENS I Mic sense input
62 PCL O Clock adjust output
63
brxen
I/O P-BUS:Communication input/output
64
bsrqc
I P-BUS:Communication request input (CD)
65
bsck
I/O P-BUS:Data clock input/output (Test mode clock output)
66 BSI I P-BUS:Communication data input (Test mode data input)
67 BSO I/O P-BUS:Communication data output