Computer Drive User Manual

C141-E090-01EN 5 - 73
Status read
Expanded
gf
e
c, d
a
Command
BSY
INTRQ
DRDY
~
Parameter write
DRQ
Data transfer
• •
• •
DRQ
[Multiword DMA transfer]
• • • •
DMACK-
DMARQ
• • • •
IOR- or
IOW-
• • • •
• • • •
0 1Word n-1 n
• •
Figure 5.6 Normal DMA data transfer