pex8713 PLX, pex8713 Datasheet

pex8713

Manufacturer Part Number

pex8713

Description

Pex 8713, Pci Express Gen 3 Switch, 12 Lanes, 10 Ports

Manufacturer

PLX

Datasheet

1.PEX8713.pdf (5 pages)

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Highlights



PEX 8713 General Features

o 12-lane, 10-port PCIe Gen 3 switch

o 19 x 19mm

o Typical Power: 4.7 Watts

o Native x2 support

o Standards Compliant

o High Performance

o Integrated DMA Engine

o Multi-Host & Fail-Over Support

o Quality of Service (QoS)

o Reliability, Availability, Serviceability

PEX 8713 Key Features

- Integrated 8.0 GT/s SerDes

- PCI Express Base Specification, r3.0

- PCI Power Management Spec, r1.2

- Microsoft Vista Compliant

- Supports Access Control Services

- Dynamic link-width control

- Dynamic SerDes speed control



- Non-blocking switch fabric

- Full line rate on all ports

- Packet Cut-Thru with 138ns max packet

- 2KB Max Payload Size

- Four DMA Channels

- Internal Descriptor Support

- DMA function independent from

- 64-bit Addressing

- Pre-fetch Descriptor Mode

- Stride Mode

- 2 Configurable Non-Transparent ports

- Failover with Non-Transparent port

- Up to 2 upstream/Host ports with 1+1

- Two Virtual Channels

- Eight traffic classes per port

- Weighted round-robin source

 visionPAK

- 3 Hot Plug Ports with native HP Signals

- All ports hot plug capable thru I

- SSC Isolation on up to 3 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

(compatible w/ PCIe r1.0a/1.1 & 2.0)

 Read Pacing (bandwidth throttling)

 Multicast

 Dynamic Buffer/FC Credit Pool

latency (x4 to x4)

transparent switch function

failover to other upstream port

port arbitration

 Per Port Performance Monitoring

 SerDes Eye Capture

 PCIe Packet Generator

 Error Injection and Loopback

performancePAK

, 324-pin FCBGA package

PEX 8713, PCI Express Gen 3 Switch, 12 Lanes, 10 Ports

The ExpressLane™ PEX 8713 device offers Multi-Host PCI Express

switching capability enabling users to connect multiple hosts to their

respective

interconnection to a wide variety of applications including servers, storage,

communications, and graphics platforms. The PEX 8713 is well suited for

fan-out, aggregation, and peer-to-peer traffic patterns.

Multi-Host Architecture

The PEX 8713 employs an enhanced version of PLX’s field tested PEX 8712

PCIe switch architecture, which allows users to configure the device in legacy

single-host mode or multi-host mode with up to two host ports capable of 1+1

(one active & one backup) host failover. This powerful architectural

enhancement enables users to build PCIe based systems to support high-

availability, failover, redundant, or clustered systems.

High Performance & Low Packet Latency

The PEX 8713 architecture supports packet cut-thru with a maximum

latency of 138ns (x4 to x4). This, combined with large packet memory,

flexible common buffer/FC credit pool and non-blocking internal switch

architecture, provides full line rate on all ports for performance-hungry

applications such as servers and switch fabrics. The low latency enables

applications to achieve high throughput and performance. In addition to low

latency, the device supports a packet payload size of up to 2048 bytes,

enabling the user to achieve even higher throughput.

Integrated DMA Engine

The PEX 8713 boasts a versatile and powerful built-in DMA engine. The

DMA engine removes the burden of having to move data between devices

away from the processor – allowing the processor to perform computational

tasks instead. The four DMA channels can support high data rate transfers

between I/O devices connected to any of the switch’s ports. Additionally, the

DMA engine in the PEX 8713 can be used to complement the DMA engine in

the processor by providing additional DMA channels for higher performance.

Data Integrity

The PEX 8713 provides end-to-end CRC (ECRC) protection and Poison bit

support to enable designs that require end-to-end data integrity. PLX also

supports data path parity and memory (RAM) error correction circuitry

throughout the internal data paths as packets pass through the switch.

Flexible Configuration

The PEX 8713’s 10 ports can be

configured to lane widths of x1, x2, x4, or

x8. Flexible buffer allocation, along with

the device's flexible packet flow control,

maximizes throughput for applications

where

downstream,

direction. Any port can be designated as

the upstream port, which can be changed

dynamically. Figure 1 shows some of the

PEX 8713’s common port configurations

in legacy Single-Host mode.

endpoints

Page 1 of 5

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traffic

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8/1/2011, Version 1.0

non-blocking

Related parts for pex8713

pex8713 Summary of contents

Page 1

... Multi-Host Architecture The PEX 8713 employs an enhanced version of PLX’s field tested PEX 8712 PCIe switch architecture, which allows users to configure the device in legacy single-host mode or multi-host mode with up to two host ports capable of 1+1 (one active & ...

Page 2

... CPUs) allow inter-processor communication (see Figure 3). © PLX Technology, www.plxtech.com PEX 8713, PCI Express Gen 3 Switch, 12 Lanes, 10 Ports Multi-Host & Failover Support In Multi-Host mode, PEX 8713 can be configured with up to two upstream host ports, each with its own dedicated downstream ports ...

Page 3

... Performance Monitoring The PEX 8713’s real time performance monitoring allows users to literally “see” ingress and egress performance on each port as traffic passes through the switch using PLX’s Software Development Kit (SDK). The monitoring is completely passive and therefore has no affect on overall system performance. Internal counters provide extensive granularity down to traffic & ...

Page 4

... This reduces the number Figure 7. Multi-Host System © PLX Technology, www.plxtech.com PEX 8713, PCI Express Gen 3 Switch, 12 Lanes, 10 Ports of switches required for fan-out, saving precious board space and power consumption. In Figure 7, the PEX 8713 is being shared by two different servers (hosts) with each server is running its own applications (I/Os) ...

Page 5

... Product Ordering Information Part Number PEX8713-BA80BC G PEX8713-BA RDK PLX Technology, Inc. All rights reserved. PLX, the PLX logo, ExpressLane, Read Pacing and Dual Cast are trademarks of PLX Technology, Inc. All other product names that appear in this material are for identification purposes only and are acknowledged to be trademarks or registered trademarks of their respective companies ...

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