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SpinPoint V40 Product Manual
88
6.6.4.1 Normal DMA transfer
Initialize DMA Command DMA data transfer Reset DMA Status
BSY=0 BSY=1 BSY=x
DRQ=x
BSY=1
nIEN=0
BSY=0
6.6.4.2 Aborted DMA transfer
Initialize DMA Command DMA data Reset DMA Status
BSY=0 BSY=1 BSY=x
DRQ=1
BSY=1
nIEN=0
BSY=0
6.6.4.3 Aborted DMA Command
Initialize DMA Command Reset DMA Status
BSY=0 BSY=1 BSY=1 BSY=0
nIEN=0