PEX8734-AB RDK

PEX8733 General Features 

o 32-lane, 18-port PCIe Gen 3 switch 

  - Integrated 8.0 GT/s SerDes o 27 x 27mm2 , 676-pin FCBGA package 

o Typical Power: 6.4 Watts 

PEX8733 Key Features 

o Standards Compliant 

 - PCI Express Base Specification, r3.0 (compatible w/ PCIe r1.0a/1.1 & 2.0) 

 - PCI Power Management Spec, r1.2 

 - Microsoft Vista Compliant 

 - Supports Access Control Services 

 - Dynamic link-width control 

 - Dynamic SerDes speed control 

o High Performance 

 - performancePAK 

  - Read Pacing (bandwidth throttling) 

  - Multicast 

  - Dynamic Buffer/FC Credit Pool 

 - Non-blocking switch fabric 

 - Full line rate on all ports 

 - Packet Cut-Thru with 132ns max packet latency (x8 to x8) 

 - 2KB Max Payload Size 

o Integrated DMA Engine 

 - Four DMA Channels - Internal Descriptor Support 

 - DMA function independent from transparent switch function 

 - 64-bit Addressing 

 - Pre-fetch Descriptor Mode 

 - Stride Mode 

o Multi-Host & Fail-Over Support 

 - 2 Configurable Non-Transparent ports 

 - Failover with Non-Transparent port 

 - Up to 4 upstream/Host ports with 1+1 or N+1 failover to other upstream ports 

o Quality of Service (QoS) 

 - Two Virtual Channels 

 - Eight traffic classes per port 

 - Weighted round-robin source port arbitration 

o Reliability, Availability, Serviceability 

 - visionPAK 

  - Per Port Performance Monitoring 

  - SerDes Eye Capture 

  - PCIe Packet Generator 

  - Error Injection and Loopback 

 - 3 Hot-Plug Ports with native HP Signals 

 - All ports hot-plug capable thru I2C 

 - SSC Isolation on up to 8 ports 

 - ECRC and Poison bit support 

 - Data Path parity 

 - Memory (RAM) Error Correction 

 - Advanced Error Reporting 

 - Port Status bits and GPIO  available 

 - JTAG AC/DC boundary scan

Suitable for host-centric as well as peer-to-peer traffic patterns, the PEX8733 can be configured for a wide variety of form factors and applications.