Pioneer DEH-P90HDD Service Manual page 119

- Pin Functions (PE5273A)
Pin No. Pin Name
bsck
1
2 BDATA
3 CONT
4 CDLOAD
5 CDEJET
6 NC
reset
7
8 VDD1
9 X2
10 X1
11 VSS1
12-14 CBANK0-2
crst
15
16-18 NC
19 SUBOK
20,21 NC
22 DSET
23,24 NC
25 DSPMUTE
26-28 NC
29 BRXEN
30 NC
31 CD5VON
32,33 NC
emph
34
35 NC
xrst
36
37 NC
xce
38
39 XPCK
40-43 XPIO3-0
44 NC
45 VSS0
46 NC
47 NC
48 VDCONT
csens
49
50,51 NC
bsrq
52
53,54 NC
55 VDD0
56 NC
57 VDSENS
58 TEMP
59 DSCSNS
60 NC
adena
61
62,63 NC
64 AVDD
65 AVREF1
66 AVSS
67,68 NC
69-71 NC
I/O Format Function and Operation
I/O /C P-Bus serial clock input/output
I/O /C P-Bus serial data input/output
O C Servo driver power supply control output
O C Load/Eject motor load control output
O C Load/Eject motor eject control output
Not used (Open)
Chip reset
Positive power supply of parts other than ports
(make potential the same as that of VDD0)
Connection for crystal oscillating system clock
I Connection for crystal oscillating system clock
GND for parts other than ports
(make potential the same as that of VSS0)
O C COMP IC bank setting output 0-2
O C COMP IC reset output
Not used (Open)
O C Output for sub code information being OK
Not used (Open)
O C Light output for disc set indicator
Not used (Open)
O C DOUT Mute output
Not used (Open)
I/O /C P-Bus receivability input/output
Not used (Open)
O C CD+5V power supply control output
Not used (Open)
O C Emphasis information output
Not used (Open)
O C CD LSI reset output
Not used (Open)
O C CD LSI chip enable output
O C CD LSI clock output
I/O /C CD LSI data input/output 3-0
Not used (Open)
GND for ports (make potential the same as that of VSS1)
Connected directly to VSS0
Not used (Open)
O C VD power supply control output
I Flap close sense input
Not used (Open)
I/O /C P-Bus polling demand output
Not used (Open)
Positive power supply of ports
(make potential the same as VDD1)
Not used (Open)
VD power supply sense input
Temperature sense input
Mechanism SW sense input
Not used (Open)
O C A/D reference voltage supply control output
Not used (Open)
Positive power supply for A/D converter
Reference voltage impression for A/D converter
GND for A/D converter
Not used (Open)
Connected to VSS0
DEH-P90HDD,P900HDD
119