Serial ATA (SATA) – 1.5 Gbps (150MB/s)
Compliant with SATA 1.0 specification
Integrated SATA Transport, Link logic, and PHY layer
48-bit sector addressing
Four independent DMA channels with 256B FIFO per channel
Virtual DMA in PCI with serial link in legacy PIO mode
Supports command buffering for ATA TF shadow registers
Supports up to 4MB external FLASH
Supports ATAPI devices: CD-ROM, DVD-ROM, etc.
Hot-Plug capable
Supports SATA active signal for 4 separate LEDs
Selectable drive strength on Tx for backplane applications
Supports spread spectrum clocking to reduce EMI
Single, digital PLL architecture with 1 PLL for all 4 channels