Pioneer DEH-P590IBXN Service Manual page 64

1
- Pin Functions (PE5547A)
Pin No. Pin Name
1 ROMDATA
2 ROMCK
A
3 ROMCS
4 NC
5 LOEJ
6 DSCSNS
*sns
7
!@sns
8
home
9
10 TEMP
11 VDSENS
adena
12
13 ADC.VDD
14 ADC.GND
B
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
30 FLRQ
31 ROM
32-36 NC
37 MCKRQ
LRCKOK
38
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
53 X.VDD
E
54 DA.VDD
55 LOUT
56 DA.GND
57 REGC
58 DA.GND
59 ROUT
F
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2
Function and Operation
I/O Format
E2PROM : Data input/output
I/O /C
E2PROM : Clock output
O C
O C E2PROM : Chip select output
Not used
LOAD/EJECT direction switching output
O C
Disc sense input
I
8 cm disc detection input
I
I 12 cm disc detection input
HOME SW sense input
I
Temperature information sense input
VD power supply short circuit/earth fault sense input
A/D reference voltage supply control output
O C
Power supply for A/D converter
Ground for A/D converter
I Flash writing control terminal
Internal microcomputer reset terminal
I
Pull-down
O C
Not used
Chip check, test program start-up input
I
Not used
P-BUS : Serial data input
I N
O N P-BUS : Serial data output
P-BUS : Serial clock input/output
I/O N
Tx for flash rewriting
O N
Rx for flash rewriting
I
P-BUS : Reception enable input/output
I/O /C
P-BUS : Service request input
I/O /C
Not used
I Flash self-rewriting mode start-up input
Flash self-rewriting reset voltage control
O C
Open(EMPH)
I
Not used
CLOCK request
O N
O N LRCK reference enable
Pickup hologram power supply control output
O C
O C CD + 3.3 V power supply control output
Servo driver power supply control output
O C
VD power supply control output
O C
CRG/LOAD-EJECT switching control output
O C
CD mute control output
O C
I Test terminal
P-BUS : Communication reset input
I
Capacitor connection for standby
Power supply for internal microcomputer
Ground for internal microcomputer
Connected to the crystal oscillator
I
Ground for the crystal oscillator
O Connected to the crystal oscillator
Power supply for the crystal oscillator
Power supply for DAC
Output of audio for the left channel
O
Ground for DAC
Connected to the capacitor for band gap
Ground for DAC
O Output of audio for the right channel
DEH-P590IB/XN/UC
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