pex8605 PLX, pex8605 Datasheet

pex8605

Manufacturer Part Number

pex8605

Description

Manufacturer

PLX

Datasheet

1.PEX8605.pdf (2 pages)

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Company:

Meier Automation Equipment Co., Limited

Part Number:

pex8605-AA50NIG

Manufacturer:

PLX

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Company:

Meier Automation Equipment Co., Limited

Part Number:

pex8605-AB50NIG

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PLX

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Part Number:

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PEX8605 Highlights



PEX8605 Vitals

PEX8605 Key Features

o 4-lane, 4-port PCIe Gen2 switch

o 10 x 10mm

o Typical Power: 0.8 Watts

o Standards Compliant

o High Performance

o Flexible Configuration

o Quality of Service (QoS)

o Reliability, Availability,

o Power Management

 Integrated 5.0 GT/s SerDes

 PCI Express Base Specification, r2.1

 PCI Power Management Spec, r1.2

 Microsoft Windows 7 Compliant

 Dynamic SerDes speed control

 Non-blocking switch fabric

 Full line rate on all ports

 Packet Cut-Thru with 250ns max packet

 256B Max Payload Size

 Ports configurable as x1, x2

 Registers configurable with strapping pins,

 Lane and polarity reversal

 Compatible with PCIe 1.0a PM

 Eight traffic classes per port

 Round-robin source port arbitration

 Relaxed PCI Ordering

Serviceability

 visionPAK

 All ports Hot-Plug capable thru I

 Data Path parity

 Memory (RAM) Error Correction signals

 INTA# and FATAL_ERR#

 Advanced Error Reporting

 Port Status bits and GPIO available

 Per port error diagnostics

 JTAG AC/DC boundary scan

 WAKE#, Beacon, Vaux support

(backwards compatible w/ PCIe 1.0a/1.1)

latency (x1 to x1)

EEPROM, I

 Port Performance Monitoring

 Port payload & header counters

 SerDes Eye Capture

 Error Injection and Loopback

(Hot-Plug Controller on every port)

, 136-pin QFN package

C, or host software

Application:

Set-Top Boxes, Home Gateways

PLX Product:

PEX8605 – 4 Lane, 4 Port PCI Express Gen 2.0

Switch

Key Benefit:

Low Power, Small Package, Fan-Out

The set-top box or “cable box” was once a device that had one role: to

provide cable TV content to the living room TV. With today’s numerous

sources of media content and multiple media devices in the home, the set-

top box of today is a much more complex device, acting as a media server,

digital video recorder (DVR), home gateway to the Internet, and much

more.

Today’s set-top box needs

to be able to support media

content coming from

cable/satellite providers as

well as media from the

Internet (e.g. YouTube,

IPTV) and from other devices in the home network (e.g. Networked

Attached Storage or NAS). In addition to being a networked media serving

device, the set-top box supports DVR capabilities that enable consumers to

record/watch their favorite TV shows whenever they want.

With these new roles, today’s set-top box needs to be able to handle high

bandwidth traffic and support multiple IOs to distribute, store, and backup

data throughout the home. Although many embedded processors used in

set-top boxes have started to support PCI Express (PCIe) as the high

bandwidth interface, the support is limited to a x1 PCIe interface, which

limits the number of features that can be added.

Simple Fan-Out for interfacing to High Speed Features

As a point-to-point protocol, a x1 PCIe interface limits the embedded

processor to connect to a single device or endpoint. A PCIe switch is

needed in this case to provide more IO connectivity for the set-top

box/home gateway designs.

With the PLX PEX8605, 4 Lane, 4 Port, PCIe Gen 2.0 switch, easy fan-out

can be achieved to allow many IOs to be connected to the limited PCIe x1

port from the embedded processor. Connecting one of the x1 ports as

upstream to the embedded processor, the PEX8605 enables three more

PCIe-based devices to be added to the set-top box design.

Page 1 of 2

Issue #83

19Apr11

Related parts for pex8605

pex8605 Summary of contents

Page 1

... IO connectivity for the set-top box/home gateway designs. With the PLX PEX8605, 4 Lane, 4 Port, PCIe Gen 2.0 switch, easy fan-out can be achieved to allow many IOs to be connected to the limited PCIe x1 port from the embedded processor. Connecting one of the x1 ports as upstream to the embedded processor, the PEX8605 enables three more PCIe-based devices to be added to the set-top box design ...

Page 2

... PCI Express power management specification. In addition, the SerDes physical links can be turned off when unused for even lower power. The PEX8605 is one of the smallest PCIe Gen 2.0 switches 2 in the market 10mm consumer applications such as the set-top box. ...

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