Sony MEX-1HD - Audio Library System, Руководство по обслуживанию

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78
MEX-1HD
Pin No. Pin Name I/O Description
71 VDD — Power supply terminal (+3.3V)
72 XAV_HRDY I AV bus ready signal input from the XC9536XL
73 VSS — Ground terminal
74 XAV_HDS O AV bus data strobe signal output to the XC9536XL
75 to 77
AV_HA1 to
AV_HA3
O
AV bus address signal output to the DSP
78 AV_HRXW O AV bus read or write enable signal output to the DSP
79 XAV_HCS0 O AV bus chip select signal output to the XC9536XL
80 XAV_HCS1
O
Chip select signal output terminal
81 AV_CMD
O
AV bus command-set signal output to the DSP
82 VDD — Power supply terminal (+3.3V)
83 XAV_HINT0 I AV bus interrupt request signal input from the DSP
84 XAV_HINT1 I Interrupt request signal input terminal Not used
85, 86 VSS — Ground terminal
87, 88
ID_DD00,
ID_DD01
I/O
ATAPI two-way data bus with the LC895300 and HDD
89 VCC — Power supply terminal (+5V)
90 to 92
ID_DD02 to
ID_DD04
I/O
ATAPI two-way data bus with the LC895300 and HDD
93 VSS — Ground terminal
94, 95
ID_DD05,
ID_DD06
I/O
ATAPI two-way data bus with the LC895300 and HDD
96 VDD — Power supply terminal (+3.3V)
97 to 99
ID_DD07 to
ID_DD09
I/O
ATAPI two-way data bus with the LC895300 and HDD
100 VSS — Ground terminal
101, 102
ID_DD10,
ID_DD11
I/O
ATAPI two-way data bus with the LC895300 and HDD
103 VCC — Power supply terminal (+3.3V)
104, 105
ID_DD12,
ID_DD13
I/O
ATAPI two-way data bus with the LC895300 and HDD
106 VCC — Power supply terminal (+3.3V)
107, 108
ID_DD14,
ID_DD15
I/O
ATAPI two-way data bus with the LC895300 and HDD
109 VSS — Ground terminal
110 to
112
ID_DA0 to
ID/DA2
O ATAPI bus address signal output to the LC895300 and HDD
113 ID0_INTR I ATAPI bus interrupt request signal input from the HDD
114 VCC — Power supply terminal (+5V)
115 ID1_INTR I ATAPI bus interrupt request signal input from the LC895300
116 ID0_XDMAK
O
ATAPI bus DMA acknowledge signal output to the HDD
117 ID1_XDMAK
O
ATAPI bus DMA acknowledge signal output to the LC895300
118 ID0_XCS0
O
ATAPI bus chip select signal output to the HDD
119 ID0_XCS1
O
ATAPI bus chip select signal output to the HDD
120 ID0_DMRQ I ATAPI bus DMA request signal input from the HDD
121 VSS — Ground terminal
122 ID1_DMRQ
I
ATAPI bus DMA request signal input from the LC895300