Pioneer DEH-P40MP Service Manual page 61

5
- Pin Functions (PE5547A)
Pin No. Pin Name
1 ROMDATA
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
ADC.GND
14
15 FLMD0
reset
16
17 PULLDOWN
18 NC
testin
19
20 NC
21 BSI
22 BSO
bsck
23
24 FTxD
25 FRxD
BRXEN
26
bsrq
27
28 NC
fmode
29
30 FLRQ
ROM
31
32-36 NC
MCKRQ
37
38 LRCKOK
puen
39
40 CD3VON
41 CONT
VDCONT
42
43 CLCONT
44 CDMUTE
45 TEST
brst
46
47 REGS
48 C.VDD
C.GND
49
50 XTAL
51 X.GND
xtal
52
53 X.VDD
DA.VDD
54
55 LOUT
56 DA.GND
57 REGC
58 DA.GND
59 ROUT
5
6
Function and Operation
I/O Format
E2PROM : Data input/output
I/O /C
E2PROM : Clock output
O C
C E2PROM : Chip select output
O
Not used
LOAD/EJECT direction switching output
O C
Disc sense input
I
8 cm disc detection input
I
12 cm disc detection input
I
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
Flash writing control terminal
I
Internal microcomputer reset terminal
I
O C Pull-down
Not used
Chip check, test program start-up input
I
Not used
P-BUS : Serial data input
I N
P-BUS : Serial data output
O N
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
Flash self-rewriting mode start-up input
I
Flash self-rewriting reset voltage control
O C
Open(EMPH)
I
Not used
CLOCK request
O N
LRCK reference enable
O N
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
Test terminal
I
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
Connected to the crystal oscillator
O
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-P40MP/XU/EW5
6
7
7
8
A
B
C
D
E
F
61
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