
Hardware reset signal from the
host
17,15,13,11,09,07,
05,03,04,06,08,10,
12,14,16,18
16-bit bi-direction Data Bus.
DD(7:0) are used for 8-bit
register transfers.
For DMA data transfers.
Device will assert DMARQ
when the device is ready to
transfer data to or from the
host.
This is the strobe signal used
by the host to write to the
device register or Data port
The host assert this signal
during an UDMA burst to stop
the DMA burst
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