Pioneer deh-30mp Service Manual page 61

5
- Pin Functions (PE5505A)
Pin No. Pin Name
1 AVREF
2 AVSS
testin
3
4 CLAMP
5 EVDD
6 FMODE
7 FLRQ
8 IC/FLMD0
9 VDD
10 REGC
11 VSS
12 X1
13 X2
reset
14
15 XT1
16 XT2
17 PULLDOWN
ejsw
18
xint
19
20 NC
brst
21
22 BSI
23 BSO
bsck
24
25 FTxD
26 FRxD
27 BRXEN
bsrq
28
dspok
29
30 DSCSNS
31 8EJ(S905)
32 12EJ(S904)
33 EVSS
34 EVDD
35,36 SRAMLEVEL0,1
37 EMPH
emph
38
39 CDMUTE
40 LOEJ
41 CLCONT
42 HOME
adena
43
44 LRCKOK
45 SRAMLEVEL2
46 CD3VON(MCKRQ)
47 CONT
xrst
48
49 VDCONT
xsi
50
xso
51
xck
52
xwait
53
54 XASTB
55 AD0
56 INT
5
6
Function and Operation
I/O Format
A power supply / Positive power supply(5V)
A power supply GND
Chip check test program starting input
I
Not used
E power supply / Positive power supply
For flash rewriting / L : flash rewriting mode
For flash rewriting / Reset voltage control
IC : VSS direct connection/FLMOD0 : Pull-down
Positive power supply(5V)
Connected to the capacity stabilizing output of the regulator
GND
Oscillator connection for mainclock
I
Oscillator connection for mainclock
I System reset input
Connected to the oscillator for subclock(connected to VSS via the resistor)
I
Connected to the oscillator for subclock(Open)
Connected to EVDD or EVSS via the resistor
I
Not used
CD LSI interruption signal input
I C
Not used
I Bus reset input
Bus serial data input
I
Bus serial data output
O C
Bus serial clock input/output
I/O /C
For flash rewriting(transmitted signal)
O C
For flash rewriting(received signal)
I
Bus RX enable input/output
I/O /C
I/O /C Bus serial clock input/output
Not used
Disc state sense input
I C
input of detection of 8 cm disc ejection
I C
input of detection of 12 cm disc ejection
I C
E power supply GND
E power supply / Positive power supply
O SRAM level meter output
Emphasis information output
O C
Not used
Not used
Not used
O Driver input switching output
Home SW sense input
I
O C A/D reference voltage supply control output
(DOUT mute output)
O C
SRAM level meter output
O C
CD + 3.3 V power supply control output(Digital output : MCKRQ)
O C
Servo driver power supply control output
O C
O C CD LSI reset control output
VD power supply control output
O C
I CD LSI serial data input
CD LSI serial data output
O C
CD LSI serial clock output
O C
CD LSI wait control signal input
I C
CD LSI address strobe output
O C
O C Address/data Bus 0
Not used
DEH-30MP/XU/EW
6
7
7
8
A
B
C
D
E
F
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