Pioneer DEH-P680MP Service Manual page 64

1
- Pin Functions(PEG142A,PEG143A)
Pin No. Pin Name
1 SYSPW
2 KEYD
A
3-5 NC
6 BYTE
7 CNVss
8 TELIN
9 JSNSON
10 RESET
11 Xout
12 Vss
13 Xin
14 Vcc
15 NMI
B
16,17 NC
18 JSNSON2
19 RX2
20 OELPW
21 NC
22 PEE
23 NC
24 BRST
25 BRXEN
26 BSRQ
27 RX
C
28 TX
29 DPDT
30 KYDT
31-34 NC
35 ROT1
36 ROT0
37 PCL
38 SWVDD
39 NC
40 FLPILM
41 ILMPW
42-45 NC
D
46 TUNPDI
47 TUNPDO
48 TUNPCK
49 FLPPW
50 FOPNSW
51 FCLSSW
52 FLPCLS
53 FLPOPN
54-56 NC
57 EMUTE
58 SACLK
E
59 NC
60 Vcc
61 NC
62 Vss
63-66 NC
67 DALMON
68 NC
69 TUNPCE2
70 TUNPCE1
71 ROMCS
72 ASENS
F
73 BSENS
74 ROMCK
68
1
2
I/O
O System power control output
I Key data input
Not Used
I External data bus width change input
I Processor mode change input
I TEL : Cellular mute input
O Jack sense output
I Reset input
O Clock output
I GND
I Clock input
I Power supply input
I Not Used
Not Used
Jack sense
I IPBUS : Input 2
OEL power supply output
Not Used
O PEE sound output
Not Used
O P-BUS : Reset output
I/O P-BUS : Reception enable input/output
I P-BUS : Service request input
I IPBUS : Input
O IPBUS : Output
O GRILLE : Data output
I GRILLE : Data input
Not Used
I Rotary encoder pulse input
I Rotary encoder pulse input
O Output for clock adjustment
O GRILLE : Chip enable output
Not Used
O Illumination output inside flap
O Illumination output
Not Used
I Tuner data input
O Tuner data output
O Tuner clock output
Flap motor operation
I Flap open sense input
I Flap close sense input
O Flap close operation output
O Flap open operation output
Not Used
EVOL : Mute output
O Level indicator clock output
Not Used
I Power supply input
Not Used
I GND
Not Used
For consumption current reduction
Not Used
O TUNER : Chip enable output
O TUNER : Chip enable output
ROM correction : Chip select output
I ACC sense input
I Back up sense input
O ROM correction : Clock output
DEH-P680MP/XN/UC
2
3
Function and Operation
3
4
4