74
MEH-P5000R
-
Pin Functions (PD4960A)
Pin No.
Pin Name
I/O
Function and Operation
1
SWVDD
O
Keyboard unit power supply control output
2
dsens
I
Grille detach sense input
3
NC
Not used
4
isens
I
Illumination power supply sence input
5
TESTIN
I
Test program mode input
6
drst
O
RDS decoder reset output
7
NC
Not used
8
sk
I
SK signal input
9,10
NC
Not used
11
reset
I
Reset input
12
XT2
Not used
13
XT1
Not used
14
VSS
GND
15
X2
Crystal oscillator connection pin
16
X1
Crystal oscillator connection pin
17
REGOFF
Not used
18
REGC
Not used
19
VDD
Power supply
20
ILMPW
O
Illumination power supply control output
21
SYSPWR
O
System power control output
22
adpw
O
A/D converter power supply control output
23
LCDPW
O
LCD back light power supply control output
24
IPPW
O
Power supply control output for IP BUS interface IC
25
ASENBO
O
Slave power supply control output
26
AMPW
O
AM power supply control output
27
TELIN
I
Telephone mute input
28
mute
O
System mute output
29
DIM
O
Dimmer select output
30
FMPW
O
FM power supply control output
31,32
NC
Not used
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
tmute
O
Tuner mute output
37
DRELAY
O
External relay output
38
SD
I
Station detector input
39
st
I
FM stereo input
GND
Power supply
RDS modulation detect input
Not used
RDS LK signal input
RDS tuning voltage FIX output
RDS Fdata input
Not used
Door open/close sense input
Door system select output
Alarm LED output
DFS alarm output
52–61
NC
Not used
62
PCL
O
Clock adjustment output
63
brxen
I/O
P-BUS reception enable input/output
64
bsrq
I
P-BUS service request output pin
65
BSCK
I/O
P-BUS serial clock input/output
66
BSI
I
P–BUS serial data input
67
BSO
O
P–BUS serial data output
68
brst
I
P–BUS reset input
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