
430 The Essential Guide to Serial ATA and SATA Express
Serial physical
interface plant
Serial digital link
control
Serial physical
interface plant
Serial digital link
control
Serial digital transport
control
Serial digital transport
control
Host control software
Buffer Memory
DMA management
Device control
software
Buffer Memory
DMA management
Application
Layer 4
Transport
Layer 3
Link
Layer 2
Physical
Layer 1
Host Located Layers Device Located Layers
ATA Register interface
Serial physical
interface plant
Serial digital link
control
Serial physical
interface plant
Serial digital link
control
Serial digital transport
control
Serial digital transport
control
Host control ...