JVC XV-521BK - Page 28

XV-521BK/523GD/525BK/421BK
1-28
Pin NO.
Symbol I/O Function
I/O
-
I/O
O
O
-
I
O
I
-
I/O
O
ATAPI slave master diagnosis input
GND
ATAPI host address (Not use)
ATAPI output of selection of width of host data bus
ATAPI host interruption output
Apply 3V
ATAPI host DMA response (Not use)
ATAPI host ready output (Connect to TP157)
ATAPI host read (Not use)
GND
ATAPI host writes
ATAPI host DMA request (Connect to TP159)
NPDIAG
VSS
DA1
NIOCS16
INTRQ
VDD
NDMACK
IORDY
NIORD
VSS
NIOWR
DMARQ
133
134
135
136
137
138
139
140
141
142
143
144