89H48H12G2ZCBL8 datasheet, PDF

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89H48H12G2ZCBL8: Descriptionpci interface IC pciE gen2 switch; Categorysemiconductor Other integrated circuit (IC); File Size185KB，3 Pages; ManufacturerIDT (Integrated Device Technology, Inc.); Websitehttp://www.idt.com/

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89H48H12G2ZCBL8 Overview

pci interface IC pciE gen2 switch

89H48H12G2ZCBL8 Parametric

Parameter Name	Attribute value
Manufacture	IDT (Integrated Device Technology)
Product Category	PCI Interface IC
RoHS	N
Type	Switch - PCIe
Maximum Clock Frequency	125 MHz
Number of Lanes	48 Lane
Number of Ports	12 P
Operating Supply Voltage	1 V, 2.5 V, 3.3 V
Maximum Operating Temperature	+ 70 C
Mounting Style	SMD/SMT
Package / Case	FCBGA-676
Maximum Data Rate	384 Gbps
Minimum Operating Temperature	0 C
Packaging	Reel
Factory Pack Quantity	350
Versi	Gen2

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48-Lane 12-Port PCIe® Gen2

System Interconnect Switch

89HPES48H12G2

Product Brief

The 89HPES48H12G2 is a member of the IDT PRECISE™ family of

PCI Express® switching solutions. The PES48H12G2 is a 48-lane, 12-

port system interconnect switch optimized for PCI Express Gen2 packet

switching in high-performance applications, supporting multiple simulta-

neous peer-to-peer traffic flows. Target applications include servers,

storage, communications, embedded systems, and multi-host or intelli-

gent I/O based systems with inter-domain communication.

Utilizing standard PCI Express Gen2 interconnect, the PES48H12G2

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.

Device Overview

–

Crosslink support

–

Automatic lane reversal

–

Autonomous and software managed link width and speed

control

–

Per lane SerDes configuration

• De-emphasis

• Receive equalization

• Drive strength

◆

Switch Partitioning

–

IDT proprietary feature that creates logically independent

switches in the device

–

Supports up to 12 fully independent switch partitions

–

Configurable downstream port device numbering

–

Supports dynamic reconfiguration of switch partitions

• Dynamic port reconfiguration — downstream, upstream

• Dynamic migration of ports between partitions

• Movable upstream port within and between switch partitions

◆

Initialization / Configuration

–

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

SMBus switch initialization

–

Common switch configurations are supported with pin strap-

ping (no external components)

–

Supports in-system Serial EEPROM initialization/program-

ming

◆

Quality of Service (QoS)

–

Port arbitration

• Round robin

• Weighted Round Robin (WRR)

–

Request metering

• IDT proprietary feature that balances bandwidth among

switch ports for maximum system throughput

–

High performance switch core architecture

• Combined Input Output Queued (CIOQ) switch architecture

with large buffers

◆

Multicast

–

Compliant to the PCI-SIG multicast ECN

–

Supports arbitrary multicasting of Posted transactions

–

Supports 64 multicast groups

–

Multicast overlay mechanism support

–

ECRC regeneration support

◆

Clocking

–

Supports 100 MHz and 125 MHz reference clock frequencies

–

Flexible clocking modes

• Common clock

• Non-common clock

Features

◆

High Performance Non-Blocking Switch Architecture

–

48-lane 12-port PCIe switch

• Six x8 ports switch ports each of which can bifurcate to two

x4 ports (total of twelve x4 ports)

–

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

Gen1 operation

–

Delivers up to

48 GBps (384 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

◆

Standards and Compatibility

–

PCI Express Base Specification 2.0 compliant

–

Implements the following optional PCI Express features

• 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

◆

Port Configurability

–

x4 and x8 ports

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

–

Automatic per port link width negotiation

(x8 --> x4 --> x2 --> x1)

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

1 of 3

2008 Integrated Device Technology, Inc.

September 25, 2008

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