Pioneer DEH-P490IB Service Manual page 64

1
- Pin Functions (PEG270A)
Pin No. Pin Name
1 SYSPW
A
2 KEYD
3 NC
cdrst
4
5 NC
6 BYTE
7 CNVSS
8 TELIN
9 NC
reset
10
11 XOUT
12 VSS
13 XIN
B
14 VCC
nmi
15
16,17 NC
18 VDCONT
19 NC
20 OELPW
21 NC
brxen
22
brst
23
24 PEE
25 NC
bsrq
26
C
27 RX
28 TX
29 DPDT
30 KYDT
31,32 NC
33 IPTX
34 IPRX
35,36 ROT1,0
37 ILMPW
38 SWVDD
dsens
39
40 FLPILM
D
41 PCL
ejtin
42
43 TUNPDI
44 TUNPDO
45 TUNPCK
46-50 NC
51 AUXON
52 IPODON
53-59 NC
60 VCC
61 NC
E
62 VSS
63 PID
psensg
64
65 PPOWER
psens
66
67 DALMON
68 NC
F
64
1
2
Function and Operation
I/O Format
System power control output
O C
I Wired remote control input
Not used
CD mechanism reset output
O C
Not used
External data bus width change input
I
Processor mode change input
I
Not used
I
Not used
Reset input
I
Main clock output
O
GND
I
Main clock input
I
Power supply input(+)
I
NMI input
I C
Not used
VD power supply control
O C
Not used
OEL power supply control
O C
Not used
I/O C P-BUS : Reception enable input/output
P-BUS : Reset output
O C
O C BEEP sound output
Not used
P-BUS : Service request input
I
IPBUS : Input
I N
IPBUS : Output
O N
O C OEL display microcomputer communication data output
OEL display microcomputer communication data input
I
Not used
iPod data output
O C
iPod data input
I
Rotary encoder pulse input 1,0
I
Illumination power output
O C
O C OEL display microcomputer chip enable output
Detach sense input
I
Flap illumination output
O C
Output for clock adjustment
O C
Eject key input
I
TUNER : Data input(PLL)
I
TUNER : Data output(PLL)
O C
O C TUNER : Clock output(PLL)
Not used
EVOL : Source select(AUX)
O C
EVOL : Source select(iPod)
O C
Not used
I Power supply input(+)
Not used
I GND
Communication mode (UART) notification output
O C
Connection sense input
I
Power supply control output
O C
Connection sense input
I
O C For consumption current reduction output
Not used
DEH-P490IB/XN/UC
2
3
3
4
4