Pioneer DEH-P900R Service Manual - Page 75

Pin Functions AK7714

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DEH-P900R,P9050 - Pin Functions (AK7714) Pin No. Pin Name I/O Function and Operation 1,2 NC Not used 3-6 TEST I Test terminal 1-4 7 DVB Power supply (5v) 8 NC Not used 9 DVDD Digital VDD (5V) 10,11 DVSS Digital GND (0V) 12 SDINA I DSP serial data input 13 NC Not used 14 SDOUTA O ADC serial data output 15 SDOUTD1 O DSP serial data output 16 NC Not used 17 SDINDI I DAC1 serial data input 18 SDIND2 I DAC2 serial data input 19 NC Not used 20 SDOUTD2 O DSP serial data output 21,22 NC Not used 23 SDIN1 I DSP serial data input 24 SDIN2 I DSP serial data input 25,26 NC Not used 27 XTI I Oscillation input 28 XTO O Oscillation output 29 NC Not used 30,31 DVSS Digital GND (0V) 32,33 DVDD Digital VDD (5V) 34 OPCL I ADC/DAC joint select input 35 CLKO O Clock output 36 LRCLK I/O L/R channel select input/output 37 BITCLK I/O Serial bit clock input/output 38 NC Not used 39 DRDY O Output data ready output for microcomputer interface 40 SO O Serial data output for microcomputer interface 41 RDY O Data write ready output for microcomputer interface 42,43 DVSS Digital GND (0V) 44,45 DVDD Digital VDD (5V) 46 NC Not used 47 wrq I Write request input for microcomputer interface 48 cs I Chip select input for microcomputer interface 49 JX I External condition Jump terminal 50-52 NC Not used 53 SI I Serial data input for microcomputer interface 54 NC Not used 55 SCLK I Serial data clock for microcomputer interface 56 NC Not used 57 dsp reset I Reset 58 code creset I Reset 59 initrese I Reset 60-62 NC Not used 63 CKS0 I Clock select input 64 CKS1 I Clock select input 65 SMODE I Slave mode/master mode select input 66,67 DVSS Digital GND (0V) 68 DVDD Digital VDD (5V) 69 NC Not used 70,71 DVB Power supply (5v) 72 NC Not used 73 AOUTR2 O DAC2 Rch analog output 75

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75
DEH-P900R,P9050
-
Pin Functions (AK7714)
Pin No.
Pin Name
I/O
Function and Operation
1,2
NC
Not used
3–6
TEST
I
Test terminal 1-4
7
DVB
Power supply (5v)
8
NC
Not used
9
DVDD
Digital VDD (5V)
10,11
DVSS
Digital GND (0V)
12
SDINA
I
DSP serial data input
13
NC
Not used
14
SDOUTA
O
ADC serial data output
15
SDOUTD1
O
DSP serial data output
16
NC
Not used
17
SDINDI
I
DAC1 serial data input
18
SDIND2
I
DAC2 serial data input
19
NC
Not used
20
SDOUTD2
O
DSP serial data output
21,22
NC
Not used
23
SDIN1
I
DSP serial data input
24
SDIN2
I
DSP serial data input
25,26
NC
Not used
27
XTI
I
Oscillation input
28
XTO
O
Oscillation output
29
NC
Not used
30,31
DVSS
Digital GND (0V)
32,33
DVDD
Digital VDD (5V)
34
OPCL
I
ADC/DAC joint select input
35
CLKO
O
Clock output
36
LRCLK
I/O
L/R channel select input/output
37
BITCLK
I/O
Serial bit clock input/output
38
NC
Not used
39
DRDY
O
Output data ready output for microcomputer interface
40
SO
O
Serial data output for microcomputer interface
41
RDY
O
Data write ready output for microcomputer interface
42,43
DVSS
Digital GND (0V)
44,45
DVDD
Digital VDD (5V)
46
NC
Not used
47
wrq
I
Write request input for microcomputer interface
48
cs
I
Chip select input for microcomputer interface
49
JX
I
External condition Jump terminal
50–52
NC
Not used
53
SI
I
Serial data input for microcomputer interface
54
NC
Not used
55
SCLK
I
Serial data clock for microcomputer interface
56
NC
Not used
57
dsp reset
I
Reset
58
code creset
I
Reset
59
initrese
I
Reset
60-62
NC
Not used
63
CKS0
I
Clock select input
64
CKS1
I
Clock select input
65
SMODE
I
Slave mode/master mode select input
66,67
DVSS
Digital GND (0V)
68
DVDD
Digital VDD (5V)
69
NC
Not used
70,71
DVB
Power supply (5v)
72
NC
Not used
73
AOUTR2
O
DAC2 Rch analog output