Pioneer MEH-P5100R Service Manual page 82

MEH-P5100R,P5150
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Pin Functions(PD5541B)
Pin No. Pin Name
1 RAM
2-5 NC
6 BYTE
7 CNVSS
8,9 NC
reset
10
11 XOUT
12 VSS
13 XIN
14 VCC
15 NC
16 SQSY
brst
17
18 XINT
19 NC
20 SENSE
21-27 NC
28 XRST
29 SWDT
30 SRDT
31 SCLK
32 XLAT
33 BSO
34 BSI
35 BSCK
36 NC
bsrq
37
38 BRXEN
39-42 NC
43 LDCNT
44 VDON
45-50 NC
51 TESTIN
52-59 NC
60 VCC
61 CK
62 VSS
63-74 NC
75 MUTE
76 CONT
77 MDLOAD
78 MDEJECT
79 LSW
80 CSW
81 ESW
82 DISC
83 HOME
84,85 NC
86 VDDSW
87-92 NC
93 TEMP
94 AVSS
95 VDSENSE
96 VREF
97 AVCC
98-100 NC
82
I/O Format
O C
I
I
O C
I
O
I
I
I
I
O C
I
O C
O C
I
I
O C
O C
I
I/O C
O C
I/O C
O C
O C
I
O C
I
O C
O C
O C
O C
I
I
I
I
I C
O C
Function and Operation
Remaining RAM capacity D/A output
Open
VSS
VSS
Open
Resetting input
Main clock oscillation pin
GND
Main clock oscillation pin
5V
Not used
DISC sub-code Q sink?/ADIP sink?
P-BUS resetting input
Decoder interrupting input
Open
MD LSI SENSE output monitor
Open
MD LSI resetting output
MD LSI IF data output
MD LSI IF data input
MD LSI IF clock output
MD LSI IF latch signal output
P-BUS data output
P-BUS data input
P-BUS clock input/output
Open
P-BUS serial pole request output
Receivable I/O
Open
Laser diode ON/OFF
Power ON/OFF
Open
Test program mode input
Open
5V
Clock signals
GND
Open
Comprehensive mute output
Servo-driver power control
Loading motor control output
Loading motor control output
Disc loading start signal input
Loading end signal input
EJECT end signal input
Reflectance discriminating signal input
Home position detection input
Open
SW VDD ON/OFF
Open
HIGH/LOW temperature detection input
A/D GND
VD power UP/DOWN sensing
Reference voltage input for A/D converter
Analog power supply
Open