4-Lane, 4-Port PCI Express Switch

XIO3130

TI’s XIO3130 is an integrated PCI Express fan-out switch solution with one upstream x1 port and three downstream x1 ports. This highperformance, integrated solution provides the latest in PCI Express switch technology. It features cut-through architecture and integrated reference clock buffers for downstream ports. The XIO3130 is fullycompliant with the PCI Express Base Specification Rev. 1.1. It supports Advanced Error Reporting as defined in the PCI Express base specifications and is backwards-compatible with the PCI Local Bus Specification, Rev. 2.3.

Key Features

• PCI Express fan-out switch with x1 upstream port and three x1 downstream ports
• Fully compliant with PCI Express Base Specification, Rev. 1.1
• Cut-through architecture
• Built-in Adaptive Equalizer in each of the four ports
• Wake-event and Beacon support
• Support for D1, D2, D3hot, and D3cold
• Active State Power Management (ASPM)
• Uses both L0s and L1
• Low power PCI Express transmitter mode (pre-emphasis disabled)
• Integrated AUX Power Switch drains VAUX power only when main power is “off”
• Integrated Hot-Plug Support
• Integrated REFCLK Buffers for Switch Downstream Ports
• Advanced Error Reporting to assist with System Debug Tools
• 3.3V Multifunction I/O pins (e.g. for Hot-Plug status-and-control, or General Purpose I/Os)
• Listed in PCI-SIG Compliance List

Target Market

The primary purpose of the XIO3130 as a fan-out device is efficiently expanding the chipset’s computing resources to multiple I/O ports and enhancing system functionality and flexibility. Target applications for the XIO3130 include PCs, servers, storage, industrial control and backplane.