Pioneer deh-p5900mp Service Manual page 62

1
- Pin Functions (PE5547A)
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Pin No. Pin Name
1 ROMDATA
A
2 ROMCK
3 ROMCS
4 NC
5 LOEJ
6 DSCSNS
*sns
7
!@sns
8
home
9
10 TEMP
11 VDSENS
adena
12
13 ADC.VDD
B
14 ADC.GND
15 FLMD0
reset
16
17 PULLDOWN
18 NC
testin
19
20 NC
21 BSI
22 BSO
bsck
23
24 FTxD
25 FRxD
C
26 BRXEN
bsrq
27
28 NC
fmode
29
TE
30 FLRQ
L 13942296513
31 ROM
32-36 NC
37 MCKRQ
38 LRCKOK
puen
39
40 CD3VON
41 CONT
D
42 VDCONT
43 CLCONT
44 CDMUTE
45 TEST
brst
46
47 REGS
48 C.VDD
49 C.GND
50 XTAL
51 X.GND
xtal
52
E
53 X.VDD
54 DA.VDD
55 LOUT
56 DA.GND
57 REGC
58 DA.GND
59 ROUT
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http://www.xiaoyu163.com
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I/O Format
I/O /C
O C
O C
O C
I
I
I
I
O C
I
I
O C
I
I N
O N
I/O N
O N
I
I/O /C
I/O /C
I
O C
I
O N
O N
O C
O C
O C
O C
O C
O C
I
I
I
O
O
O
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DEH-P5900MP/XU/EW5
2
http://www.xiaoyu163.com
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8
Function and Operation
E2PROM : Data input/output
E2PROM : Clock output
E2PROM : Chip select output
Not used
LOAD/EJECT direction switching output
Disc sense input
8 cm disc detection input
12 cm disc detection input
HOME SW sense input
Temperature information sense input
VD power supply short circuit/earth fault sense input
A/D reference voltage supply control output
Power supply for A/D converter
Ground for A/D converter
Flash writing control terminal
Internal microcomputer reset terminal
Pull-down
Not used
Chip check, test program start-up input
Not used
P-BUS : Serial data input
P-BUS : Serial data output
P-BUS : Serial clock input/output
Tx for flash rewriting
Rx for flash rewriting
P-BUS : Reception enable input/output
P-BUS : Service request input
Not used
Flash self-rewriting mode start-up input
Q Q
Flash self-rewriting reset voltage control
3 6 7 1 3
Open(EMPH)
Not used
CLOCK request
LRCK reference enable
Pickup hologram power supply control output
CD + 3.3 V power supply control output
Servo driver power supply control output
VD power supply control output
CRG/LOAD-EJECT switching control output
CD mute control output
Test terminal
P-BUS : Communication reset input
Capacitor connection for standby
Power supply for internal microcomputer
Ground for internal microcomputer
Connected to the crystal oscillator
Ground for the crystal oscillator
Connected to the crystal oscillator
Power supply for the crystal oscillator
Power supply for DAC
Output of audio for the left channel
Ground for DAC
Connected to the capacitor for band gap
Ground for DAC
Output of audio for the right channel
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3
4
2 9 9 4 2 8
1 5 0 5 8 2 9 9 4
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4
9 9
2 8 9 9