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DEX-P1R,DEH-P946,DEX-P1
- Pin Functions (PD5445A)
Pin No.
Pin Name
1
SPCK
2
NC
3
VST
4
VDT
5
VCK
6
CNVss
7
MCKRQ
8
NC
reset
9
10
Xout
11
Vss
12
Xin
13
Vcc
nmi
14
15
BMUTEIN
16
SPRQ
brst
17
18
ADTEST
19
MICSNS
20
ADSEL
21
MUTERQ
22,23
NC
24
DSPOUT
25
DSPIN
26
DSPCK
27
NC
28
BSO
29
BSI
30
BSCK
31
NC
bsrq
32
brxen
33
34,35
DSPERR1
36
DZF1
37
DZF0
38
DZF2
testin
39
40
DSPPW
41
NGO
42-48
NC
49
FMUTE
50
SWMUTE
51
VOICE
52-58
NC
59
IFHIZ
dsprst
60
pd
61
akrst
62
dspcs@
63
dspcs!
64
dsprq
65
66
DSPCd
67
DSPRDY
dspack
68
69
SMODE
70
EMPIN
empout
71
112
I/O
Format
Function and Operation
I
C
Connect to GND
Not used
O
C
Electronic volume strobe output
O
C
Electronic volume data output
O
C
Electronic volume clock output
I
Connect to Vss
I
C
CD unit MCK request input
Not used
I
Micro-computer hard reset input
O
System clock output
I
GND
I
System clock input
I
Micro-computer power supply 5V
I
C
Connect to Vcc
I
C
CD unit LR clock supply data
I
C
Connect to GND
I
C
P-Bus reset input
I
C
A.EQ test mode start
I
C
A.EQ mic connection data
O
C
Signal/A.EQ mic input select
O
C
Hard mute output
Not used
O
C
DSP serial data output
I
C
DSP serial data input
O
C
DSP serial clock output
Not used
O
C
P-BUS data output
I
C
P-BUS data input
I/O
C
P-BUS serial clock input/output
Not used
I/O
C
Service request input
I/O
C
Reception enable input
I
C
Connect to GND
I
C
Front digital 0 data input
I
C
Rear digital 0 data input
I
C
Sub woofer digital 0 data input
I
C
test program start/enable
O
C
DSP power supply switching
O
C
Noise gate ON/OFF
Not used
O
C
Not used
O
C
Not used
I
C
Connect to GND
Not used
I
C
DSP micro-computer port Hiz set (test mode port)
O
C
TC9331 hard reset
O
C
AK7712 power down
O
C
AK7712 reset
O
C
AK7712 chip select
O
C
TC9331 chip select
O
C
AK7712 data output request
O
C
TC9331 command/data
I
C
AK7712 data ready
I
C
DSP data write ready/ACK
O
C
AK7712 master/slave
I
C
CD unit emphasis data input
O
C
DAC emphasis output
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