Sony MEX-1HD Service Manual page 78

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