Detailed Product Description
PCI Express (1x) to 1 Port SATA300 (Si3531) The SiI3531 is a single-lane PCI Express to single port Serial ATA (SATA) II host controller that offers best in class SATA price/performance and is both flexible and robust enough for today's demanding storage applications. The SiI3531 supports all Serial ATA II features, including 3.0 Gbps SATA II transfer speeds, Native Command Queuing, port multipliers with FIS-based switching, programmable output signal swing strengths for longer external cables or extended backplanes, hot plugging, enclosure management and ATAPI device support. PCI Express Features Supports one-lane, 2.5 Gbps PCI Express Compliant with PCI Express 1.0a specification Supports hot plug for ExpressCard applications All registers appear in unified memory space All registers accessible through I/O space Full-chip command-completion status accessible with single PCI Express access Serial ATA Features Integrated Serial ATA Transport, Link and PHY logic Compliant with Serial ATA 1.0a specification with support for SATA II optional features Supports 2nd-generation Serial ATA II transfer rate of 3.0 Gbps Plesiochronous, single PLL architecture, with one PLL Signal output amplitude control for external SATA Independent Link, Transport and data FIFO Independent command fetch, scatter/gather and command execution Hard-coded state machines for streamlined command execution Supports Native Command Queuing and Tagged Command Queuing Supports first-party DMA Supports port multipliers with FIS-based switching under hardware control 31 commands and scatter/gather tables Protocol override per command Spread spectrum support
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