Pioneer DEH-P90HDD Service Manual page 136

DEH-P90HDD,P900HDD
- Pin Functions(PD5646A)
Pin No. Pin Name
1 TUNPDO
2 TUNPCK
3 TUNPCE
4 TUNPCE2
5-7 NC
8 BYTE
9 CNVss
10 MICSENS
11 TELIN
12 RESET
13 Xout
14 Vss
15 Xin
16 Vcc
17-19 NC
20 BSENS
21 RX2
22 IPPW
23 ISENS
24 PEE
25 NC
26 ASNSBO
27 MUTE
28 NC
29 RX
30 TX
31 BSO
32 BSI
33 BSCK
34 SWVDD
35 DPDT
36 KYDT
37 SYSPW
38 LOCL
39 PCL
40 LOCH
41 AM_FM
42 ST
43 SD
44 DALMON
45-55 NC
56 ILMPW
57 FLPILM
58-64 NC
65 ROMCK
66 ROMDATA
67 BSRQ2
68 ROMCS
69 BRXEN
70 BRST
71 BSRQ
72 DSENS
73 NC
74 ASENS
75-81 NC
136
I/O Function and Operation
O Output of PLL data
O Output of PLL clock
O Output of TUNER ENABLE
O Output of TUNER ENABLE 2
Not used
I GND: input for switching between external data bus widths
I GND: input for switching between processor modes
I Microphone sensing
I Input of cellular telephone
I Input of reset
O Output of oscillation (10MHz)
I GND
I Input of oscillation (10MHz)
I Power supply (5V)
Not used
Backup sensing
I IPBUS: input 2
O IPBUS: output of controls of power supply to the driver
I ILM SENS
O PEE OUT
Not used
O IPBUS: output of ACC
O General muting
Not used
I IPBUS: input of data
O IPBUS: output of data
O PBUS: output of data
I PBUS: input of data
PBUS: clock
O
GRILL: output of controls of power supply to the microcomputer
O GRILL: output of data to be displayed
I GRILL: input of key data
O System power
O TUNER: output of local L
For adjusting clock
O TUNER: output of local H
O TUNER: output of controls of power supply to the decoder
I TUNER: input of stereo indicator
I TUNER: input of SD
O For circuits reducing dark current
Not used
O Output of power to illumination
O Output of illumination in the flap
Not used
O ROM correction: output of clock
O/I ROM correction: data
O/I PBUS: request for communication (for DSP)
O ROM correction: output for chip selection
I/O PBUS: communication input/output
O PBUS: reset
I PBUS: input of communication request
I Detachment sensing
Not used
ACC sensing
Not used