57
DEH-P400,P4000,P4050
7. GENERAL INFORMATION
7.1 PARTS
7.1.1 IC
-
Pin Functions (PD4989A)
Pin No.
Pin Name
I/O
Function and Operation
1
DRSYS
O
Door system select output
2
DRSENS
I
Door open / close sense input
3
SYSPW
O
System power supply control output
4
DRELAY
O
External relay output
5
TESTIN
I
Test program mode input
6–9
NC
Not used
10
TUNPW
O
Tuner power control output
11
reset
I
Reset input
12
XT2
Not used (open)
13
XT1
Not used (GND)
14
VSS
GND
15
X2
Crystal oscillator connection pin
16
X1
Crystal oscillator connection pin
17
REGOFF
Connect to VSS
18
REGC
Capacitor for regulator connect pin
19
VDD
Power supply
20
GRNILM
O
Green illumination select output
21
NC
Not used
22
adpw
O
A/D converter power supply output
23
AMBILM
O
Amber illumination select output
24
IPPW
O
Power supply control output for IP BUS interface IC
25
ASENB
O
Slave power supply control output
26,27
NC
Not used
28
MUTE
O
System mute output
29
fm
/AM
O
RDS decoder power select output
30
LOCL
O
LOCL output
31
LOCH
O
LOCH output
32
TUNPCE2
O
PLL IC chip enable output
33
VCK
O
Clock output for electronic volume
34
VST
O
Strobe pulse output for electronic volume
35
VDT
O
Data output for electronic volume
36,37
NC
Not used
I
SD input
I
FM stereo input
GND
Power supply
Not used
O
Tuner voltage FIX output
Not used
O
Alarm LED output
O
Keyboard unit power supply control output
I
Grille detach sense input
O
CD server driver power control output
O
CD +5V power control output
55
NC
Not used
56
VDCONT
O
CD VD power control output
57
CDMUTE
O
CD mute control output
58
CDEJET
O
CD eject control output
59
CDLOAD
O
CD LOAD motor loading control output
60
LOCK
I
CD spindle lock input
61
FOK
I
CD focus OK input
62
PCL
O
Clock adjustment output
63
MIRR
I
CD mirror detector input
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