Pioneer DEH-P4950MP/XU/CN5 Service Manual page 55

5
- Pin Functions (PEG286A)
Pin No. Pin Name
1 ILMPW
2 NC
3,4 ROT1,0
5,6 NC
7 SWVDD
8 BYTE
9 CNVSS
10,11 NC
reset
12
13 XOUT
14 VSS
15 XIN
16 VCC
nmi
17
dsens
18
bsens
19
asens
20
cd-reset
21
vdcont
22
brst
23
brxen
24
bsrq
25
26 NC
27 RX2
28 NC
29 RX
30 TX
31 BSO
32 BSI
33 BSCK
34 KEYD
35 DPDT
36 KYDT
37,38 NC
39 PCL
40 ASENBO
41-46 NC
47 DALMON
48 SYSPW
49-51 NC
52 IPPW
53 MUTE
54 VST
55 VCK
56 VDT
57 NC
58 ROMDATA
59 ROMCK
60 ROMCS
61 NC
62 VCC
63 NC
64 VSS
ce@
65
66 CE1
5
6
Function and Operation
I/O Format
Illumination power output
O C
Not used
Rotary encoder pulse input 1, 0
I
Not used
VDD for display microcomputer
O C
External data bus width change input
I
Processor mode change input
I
Not used
I Reset input
Main clock output
O
GND
I
Main clock input
I
Power supply input(+)
I
NMI input
I C
Detach sense input
I
I Backup sense input
ACC sense input
I
CD mechanism RESET output
O C
VD power supply output
O C
P-BUS : Reset output
O C
I/O C P-BUS : Reception enable input/output
P-BUS : Service request input
I
Not used
IPBUS : Input 2
I
Not used
IPBUS : Input
I
IPBUS : Output
O N
O C PBUS : Output
PBUS : Input
I
PBUS : Clock output
O C
Not used
I
Display microcomputer communication data output
O C
Display microcomputer communication data input
I
Not used
O C Output for clock adjustment
IPBUS : Slave ACC sense output
O C
Not used
For consumption current reduction output
O C
System power control output
O C
Not used
IPBUS : Driver power supply control output
O C
O C System mute output
E.VOL strobe output
O C
E.VOL clock output
O C
E.VOL data output
O C
Not used
I/O C ROM correction data input/output
ROM correction clock output
O C
O C ROM correction chip select output
Not used
Power supply input(+)
I
Not used
GND
I
O C TUNER : Chip enable output(EEPROM)
TUNER : Chip enable output(PLL)
O C
DEH-P4950MP/XU/CN5
6
7
7
8
A
B
C
D
E
F
55
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