Pioneer CRT3557, Service Manual

Page: 49 / 58

DEH-P3800MP/XU/UC
61
5 6 7 8
5 6
7
8
C
D
F
A
B
E
-
Pin Functions (PE5505A)
Pin No. Pin Name I/O Format
Function and Operation
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35,36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
AVREF
AVSS
testin
CLAMP
EVDD
FMODE
FLRQ
IC/FLMD0
VDD
REGC
VSS
X1
X2
reset
XT1
XT2
PULLDOWN
ejsw
xint
NC
brst
BSI
BSO
bsck
FTxD
FRxD
BRXEN
bsrq
dspok
DSCSNS
8EJ(S905)
12EJ(S904)
EVSS
EVDD
SRAMLEVEL0,1
EMPH
emph
CDMUTE
LOEJ
CLCONT
HOME
adena
LRCKOK
SRAMLEVEL2
CD3VON(MCKRQ)
CONT
xrst
VDCONT
xsi
xso
xck
xwait
XASTB
AD0
INT
I
I
I
I
I
I
I
I
O
I/O
O
I
I/O
I/O
I
I
I
O
O
O
I
O
O
O
O
O
O
O
I
O
O
I
O
O
C
C
/C
C
/C
/C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
A power supply / Positive power supply(5V)
A power supply GND
Chip check test program starting input
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
Oscillator connection for mainclock
System reset input
Connected to the oscillator for subclock(connected to VSS via the resistor)
Connected to the oscillator for subclock(Open)
Connected to EVDD or EVSS via the resistor
Not used
CD LSI interruption signal input
Not used
Bus reset input
Bus serial data input
Bus serial data output
Bus serial clock input/output
For flash rewriting(transmitted signal)
For flash rewriting(received signal)
Bus RX enable input/output
Bus serial clock input/output
Not used
Disc state sense input
input of detection of 8 cm disc ejection
input of detection of 12 cm disc ejection
E power supply GND
E power supply / Positive power supply
SRAM level meter output
Emphasis information output
Not used
Not used
Not used
Driver input switching output
Home SW sense input
A/D reference voltage supply control output
(DOUT mute output)
SRAM level meter output
CD + 3.3 V power supply control output(Digital output : MCKRQ)
Servo driver power supply control output
CD LSI reset control output
VD power supply control output
CD LSI serial data input
CD LSI serial data output
CD LSI serial clock output
CD LSI wait control signal input
CD LSI address strobe output
Address/data Bus 0
Not used