89hpes32t8g2 Integrated Device Technology, 89hpes32t8g2 Datasheet

89hpes32t8g2

Manufacturer Part Number

89hpes32t8g2

Description

32-lane 8-port Pcie Gen2 I/o Expansion Switch

Manufacturer

Integrated Device Technology

Datasheet

1.89HPES32T8G2.pdf (3 pages)

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Device Overview

PCI Express® switching solutions. The PES32T8G2 is a 32-lane, 8-port

switch optimized for PCI Express Gen2 packet switching in high-perfor-

mance applications. Target applications include servers, storage,

communications, embedded systems, and multi-host or intelligent I/O

based systems with inter-domain communication.

provides the most efficient system interconnect switching solution for

applications requiring high throughput, low latency, and simple board

layout with a minimum number of board layers. Each lane is capable of 5

GT/s of bandwidth in both directions and is fully compliant with PCI

Express Base specification 2.0.

Features

The 89HPES32T8G2 is a member of the IDT PRECISE™ family of

Utilizing standard PCI Express Gen2 interconnect, the PES32T8G2

– 32-lane 8-port PCIe switch

– Integrated SerDes supports 5.0 GT/s Gen2 and 2.5 GT/s

– Delivers up to 32 GBps (256 Gbps) of switching capacity

– Supports 128 Bytes to 2 KB maximum payload size

– Low latency cut-through architecture

– Supports one virtual channel and eight traffic classes

– PCI Express Base Specification 2.0 compliant

– Implements the following optional PCI Express features

– x4 and x8 ports

– Automatic per port link width negotiation

– Crosslink support

– Automatic lane reversal

High Performance Non-Blocking Switch Architecture

Standards and Compatibility

Port Configurability

• Four x8 switch ports each of which can bifurcate to two x4

• Advanced Error Reporting (AER) on all ports

• End-to-End CRC (ECRC)

• Access Control Services (ACS)

• Power Budgeting Enhanced Capability

• Device Serial Number Enhanced Capability

• Sub-System ID and Sub-System Vendor ID Capability

• Internal Error Reporting ECN

• Multicast ECN

• VGA and ISA enable

• L0s and L1 ASPM

• ARI ECN

• Ability to merge adjacent x4 ports to create a x8 port

Gen1 operation

(x8 → x4 → x2 → x1)

ports (total of eight x4 ports)

IDT and the IDT logo are registered trademarks of Integrated Device Technology, Inc.

32-Lane 8-Port PCIe® Gen2

I/O Expansion Switch

1 of 3

– Autonomous and software managed link width and speed

– Per lane SerDes configuration

– Supports Root (BIOS, OS, or driver), Serial EEPROM, or

– Common switch configurations are supported with pin strap-

– Supports in-system Serial EEPROM initialization/program-

– Port arbitration

– Request metering

– High performance switch core architecture

– Compliant to the PCI-SIG multicast ECN

– Supports arbitrary multicasting of Posted transactions

– Supports 64 multicast groups

– Multicast overlay mechanism support

– ECRC regeneration support

– Supports 100 MHz and 125 MHz reference clock frequencies

– Flexible clocking modes

– Hot-plug controller on all ports

– All ports support hot-plug using low-cost external I

– Configurable presence detect supports card and cable appli-

– GPE output pin for hot-plug event notification

– Hot-swap capable I/O

Initialization / Configuration

Quality of Service (QoS)

Multicast

Clocking

Hot-Plug and Hot Swap

• De-emphasis

• Receive equalization

• Drive strength

• Round robin

• Weighted Round Robin (WRR)

• IDT proprietary feature that balances bandwidth among

• Combined Input Output Queued (CIOQ) switch architecture

• Common clock

• Non-common clock

• Hot-plug supported on all downstream switch ports

• Enables SCI/SMI generation for legacy operating system

control

SMBus switch initialization

ping (no external components)

ming

expanders

cations

switch ports for maximum system throughput

with large buffers

support

89HPES32T8G2

Product Brief

September 25, 2008

C I/O

Related parts for 89hpes32t8g2

89hpes32t8g2 Summary of contents

Page 1

... Device Overview The 89HPES32T8G2 is a member of the IDT PRECISE™ family of PCI Express® switching solutions. The PES32T8G2 is a 32-lane, 8-port switch optimized for PCI Express Gen2 packet switching in high-perfor- mance applications. Target applications include servers, storage, communications, embedded systems, and multi-host or intelligent I/O based systems with inter-domain communication ...

Page 2

... IDT 89HPES32T8G2 Product Brief Power Management – Supports D0, D3hot and D3 power management states – Active State Power Management (ASPM) • Supports L0, L0s, L1, L2/L3 Ready and L3 link states • Configurable L0s and L1 entry timers allow performance/ power-savings tuning – Supports PCI Express Power Budgeting Capability – ...

Page 3

... IDT 89HPES32T8G2 Product Brief Block Diagram Frame Buffer Transaction Layer Data Link Layer Multiplexer / Demultiplexer Phy Phy Phy Phy Logical Logical Logical Logical Layer Layer Layer Layer SerDes SerDes SerDes SerDes (Port 0) The information presented herein is subject to a Non-Disclosure Agreement and is for planning purposes only. Nothing contained in this presenta- tion, whether verbal or written, is intended as, or shall have the effect of, a sale or an offer for sale that creates a contractual power of acceptance ...

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