Pioneer DEH-P900R9050 Service Manual page 74

DEH-P900R,P9050
- Pin Functions (PD5504A)
Pin No. Pin Name
1 NC
2 NC
3 VST
4 VDT
5 VCK
6 CNVSS
7 MCKRQ
8 EMPHIN
reset
9
10 XOUT
11 VSS
12 XIN
13 VCC
14 NMI
15 BMUTEIN
16 NC
brst
17
18–23 NC
24 DSPOUT
25 DSPIN
26 DSPCK
27 NC
28 BSO
29 BSI
30 BSCK
31 NC
bsrq
32
brxen
33
34,35 NC
36 MICSENS
37 IFHIZ
38 AQTEST
testin
39
40 DSPPW
41 MUTERQ
42 NGO
43 SYSMUTE
44–47 NC
48 PLLLOC
49 PLLCLR
50 PLLDT
51 PLLCK
52–57 NC
58 LRCKK
59 MCKOUT
60 SMODE
61 AKPD
62 AKRST
63 AKJMP
dspcs
64
akwrq
65
dspack
66
akrdy
67
68–72 NC
73 MDSEL2
74 NOISE
75 AVSS
76 NC
77 VREF
78 AVCC
79 NC
80 NC
74
I/O Format Function and Operation
VSS joint
Not used
O C Electronic volume strobe output
O C Electronic volume data output
O C Electronic volume clock output
I VSS joint
I CD unit MCK request input
I CD unit emphasis data input
I Reset input
O O Crystal oscillating element connection pin
GND
I Crystal oscillating element connection pin
5V
I NML joint
I CD unit LR clock supply input
VSS joint
I P–BUS reset input
Not used
O C DSP serial data output
I DSP serial data input
O C DSP serial clock output
Not used
O C P–BUS serial data output
I P–BUS serial data input
I/O P-BUS serial clock input/output
Not used
I/O P-BUS service request output pin
I/O Reception enable input/output
Not used
I A.EQ microphone connection data input
I DSP microcomputer port Hiz set input
I A.EQ test mode start input
I Test mode IN/test enable input
O C Power supply for DSP
O C Hard mute output
O C Digital zero output
O C System mute output
Not used
I PLL Lock supply data input
O C PLL control clear output
O C PLL control data output
O C PLL control clock output
Not used
O C LRCK/BCLK select control output
O C CD MCLK gate control
O C AK7714 master/slave select input
O C AK7714 power down
O C AK7714 reset
O C AK7714 condition jump
O C AK7714 chip select output
O C AK7714 data output request
I DSP data write ready supply input
I AK7714 data ready
Not used
I Model select input
I ASL noise input
I A/D GND
Not used
I A/D converter reference voltage input
A/D VCC
VSS joint
Not used