EW31244SL7QV Datasheet, PDF (53/252 Pages) Intel Corporation – Intel® 31244 PCI-X to Serial ATA Controller

Intel^® 31244 PCI-X to Serial ATA Controller
Functional Blocks
4.2
Operational Blocks
Figure 19.
Each SATA port on the GD31244 controller contains the following blocks:
• Serial Engine
• Register Interface
• DMA Controller
• Programmed I/O (PIO) Interface
SATA Port Block Diagram
Transport
Layer
device
Link
Layer
PHY
Layer
FIFO
Command
Block
Registers
Control
Block
Registers
DMA
PIO
Bus
Interface
Superset
Registers
Developer’s Manual
April 2004
53