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The Essential Guide to Serial ATA and SATA Express
book

The Essential Guide to Serial ATA and SATA Express

by David A. Deming
October 2014
Intermediate to advanced content levelIntermediate to advanced
496 pages
15h 38m
English
Auerbach Publications
Content preview from The Essential Guide to Serial ATA and SATA Express
228 The Essential Guide to Serial ATA and SATA Express
3. Data FIS
Host
Device
1. DD Programs HA DMA
Controller:
x sets pointers
x sets direction
2. DD writes to Shadow
Block Registers
x BSY = 1
4. HA recognizes incoming
Data FIS.
x Directs incoming data
to DMA Controller
Host detects Interrupt
x Checks Status
x BSY = 0
2. Register – Host to Device FIS
Read DMA Command
3. Device Processes
Command
x Prepares Data
x Transmits Data in
one or more Data
FISs
5. Device sends Status
Data FIS
5. Register – Device to Host FIS
Status
3. When the device has processed the command and is ready, it transmits the read data to the host
in the ...
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Publisher Resources

ISBN: 9781482243314