Interface
5-112
C141-E171-03EN
5.4.4 Other commands
•
READ MULTIPLE (EXT)
•
SLEEP
•
WRITE MULTIPLE (EXT)
See the description of each command.
5.4.5 DMA data transfer commands
•
READ DMA (EXT)
•
WRITE DMA (EXT)
Starting the DMA transfer command is the same as the READ SECTOR(S) or
WRITE SECTOR(S) command except the point that the host initializes the DMA
channel preceding the command issuance.
Interruption processing for DMA transfer does not issue interruptions in any
intermediate sector when a multisector command is executed.
The following outlines the protocol:
Summary of Contents for MHS2020AT
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Page 60: ...Theory of Device Operation 4 6 C141 E171 03EN Figure 4 3 Circuit Configuration ...
Page 190: ...Interface 5 114 C141 E171 03EN g d f f d e Figure 5 7 Normal DMA data transfer ...
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