Pioneer DEH-P900HDD, Service Manual

Page: 135 / 149

135
DEH-P90HDD,P900HDD
Pin No. Pin Name I/O Function and Operation
* CXD1859AR
120
1
30
31 60
61
90
91
81 WRL I LOWER BYTE write enable
82 CS I Chip selection
83 VDE5 Power supply to IO (3.3V)
84 VDD4 Power supply to the core (1.8V)
85 IRQ O Interrupt request
86 DREQ O USB: DMA request
87 VSS10 Ground
88 DACK I USB: DMA acknowledgement
89 TEST0 O OPEN
90 TEST1 I OPEN or input "H"
91 SIOSI I Serial data in
92 SIOSO O Serial data out
93 SIOCS O Chip selection
94 VSS11 Ground
95 SIOCK O Serial clock
96 ACLK ATRAC3 data clock
97 ARQ ATRAC3 data request
98 VDE6 Power supply to IO (3.3V)
99 ABS ATRAC3 data strobe
100 ACDO ATRAC3 data out
101 ACDI ATRAC3 data in
102 DP3 I/O DSP port 3
103 TKURST I Input "L"
104 TKDBG I Input "L"
105 VDD5 Power supply to the core (1.8V)
106 VSS12 Ground
107 TKTCK I OPEN or input "L"
108 TKTDI I OPEN or input "L"
109 TKTMS I OPEN or input "L"
110 TKTDO O OPEN
111 TKTINT O OPEN
112 MD0 I Mode setting
113 VDE7 Power supply to IO (3.3V)
114, 115 MD1, 2 I Mode setting
116 TRST I Input "L"
117 VSS13 Ground
118 CLKOUT O Output of system clock
119, 120 CLKSEL0, 1 I Selection of clock mode