Pioneer DEH-P90HDD Service Manual page 134

DEH-P90HDD,P900HDD
- Pin Functions(CXD1859AR)
Pin No. Pin Name
1 CLKSEL2
2 XTAL0
3 EXTAL0
4 VSS0
5, 6 CLKSEL3, 4
7 VDD0
8 VDE0
9 XTAL1
10 EXTAL1
11 OSCSTP
12 VSS1
13 RST
14 AVS1
15 AVD1
16 FS256O
17, 18 DP0, 1
19 VSS2
20 BS
21 SCLK
22 DIO
23 VDE1
24 VDD1
25 DP2
26 INS
27 VSS3
28 UDP
29 AVD2
30 UDM
31 BCLK
32 LRCK
33 SDO
34 VSS4
35 SDI
36 DAOUT
37 DAIN
38 VDE2
39-44 DB0-5
45 VDD2
46 VSS5
47-52 DB6-DB11
53 VDE3
54-56 DB12-14
57 VSS6
58 DB15
59-63 ADR0-4
64 VSS7
65, 66 ADR5, 6
67 VDD3
68 VDE4
69-71 ADR7-9
72 VSS8
73-77 ADR10-14
78 RD
79 VSS9
80 WRU
134
I/O Function and Operation
I Selection of clock mode
O 22.5792MHz oscillating cell (includes feedback resistors)
I 22.5792MHz oscillating cell (includes feedback resistors)
Ground
I Selection of clock mode
Power supply to the core (1.8V)
Power supply to IO (3.3V)
O 8/12/16/20MHz oscillating cell (includes feedback resistors)
I 8/12/16/20MHz oscillating cell (includes feedback resistors)
O Output of stopping oscillation
Ground
I Input of reset
Ground for the analog system (PLL)
Power supply to the analog system (PLL)
O Output of 256fs clock
I/O DSP port 0, 1
Ground
O Memory Stick bus state
O Memory Stick clock
I/O Memory Stick data
Power supply to IO (3.3V)
Power supply to the core (1.8V)
I/O DSP port 2
I Detection of insertion/extraction of Memory Stick
Ground
I/O data +
Power supply to the analog system (USB)
I/O data -
I/O Bit clock
I/O LR clock
O Audio data out
Ground
I Audio data in
O Digital audio out
I Digital audio in
Power supply to IO (3.3V)
I/O 16 bit data bus
Power supply to the core (1.8V)
Ground
I/O 16 bit data bus
Power supply to IO (3.3V)
I/O 16 bit data bus
Ground
I/O 16 bit data bus
I Address bus
Ground
I Address bus
Power supply to the core (1.8V)
Power supply to IO (3.3V)
I Address bus
Ground
I Address bus
I Read enable
Ground
I UPPER BYTE write enable