QCIXF18105EC.B1-998520 Cortina Systems Inc, QCIXF18105EC.B1-998520 Datasheet

QCIXF18105EC.B1-998520

Manufacturer Part Number

QCIXF18105EC.B1-998520

Description

Manufacturer

Cortina Systems Inc

Datasheet

1.QCIXF18105EC.B1-998520.pdf (4 pages)

Specifications of QCIXF18105EC.B1-998520

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Product Overview

The Cortina Systems

10 Gbps Ethernet Media Access Controllers (MACs)

(IXF18105/201/203) offer flexible solutions for both

high performance and low cost per port systems.

The devices are software compatible and are

consistent in pinout, allowing for design re-use

between 10 Gbps Ethernet platforms. The IXF18105

10 Gbps Ethernet MAC is a single channel device with

two XAUI line interfaces and a System Packet

Interface Level 4 (SPI-4) system interface. The XAUI

interfaces can be configured in a protection switch

mode, where a primary XAUI interface can be

switched to a backup XAUI interface in the event the

primary goes into a failure mode. The IXF18105 is

ideal for a single port 10 Gbps application where

bandwidth is expected to be at or near full utilization

and network reliability needs to be protected with

a backup line interface.

The IXF18201 2-Port 10 Gbps Ethernet MAC is built

on a similar architecture as the IXF18105. The device

offers two independent 10 Gbps MAC and XAUI ports,

versus a single port. Each MAC is linked to its own

SPI-4 system interface. The IXF18201 is ideal for

higher density applications where multiple 10 Gbps

ports are implemented on a line card and bandwidth

is at or near full utilization.

Cortina Systems

IXF18105 Block Diagram

IXF18105/201/203 family of

Clock Generation PLL

SPI-4-2

IXF18105/201/203 10 Gbps Ethernet Media Access Controller

IXF18105 MAC

1 x 10GE MAC with Dual XAUI

and Protection Switch Circuitry

Rx Buffer (64KB)

Tx Buffer (16KB)

16/32-bit μP Interface

Control and Stat

10G MAC Core

The IXF18203 2-Port Ethernet MAC with

Oversubscription is also based on the IXF18105 and

IXF18201 architectures, with a critical building block

added for Data Path Management (DPM). The

IXF18203 has two 10 Gbps MAC channels connected

to a single SPI-4.2 interface. The DPM block manages

the traffic of the two 10 Gbps data streams and

passes packets to the single SPI-4 system interface.

This is achieved with a priority scheme that

maximizes the efficiency of lower utilized 10 Gbps

data paths. With two 10 Gpbs data paths combined to

a single system interface, the system complexity is

cut in half reducing cost per port. Even more

attractive is the cascade port of the IXF18203.

Combining two IXF18203 devices together through

the cascade port allows up to four 10 Gbps streams

to be managed down to a single SPI-4 interface. This

cascade configuration enables very high density

designs at extremely low cost per port.

Registers

MDIO Control Interface

Product Brief

XAUI

Product Brief Number: 302802-2.1

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QCIXF18105EC.B1-998520 Summary of contents

Page 1

TM Cortina Systems IXF18105/201/203 10 Gbps Ethernet Media Access Controller ® Product Overview The Cortina Systems IXF18105/201/203 family of ® 10 Gbps Ethernet Media Access Controllers (MACs) (IXF18105/201/203) offer flexible solutions for both high performance and low cost per port ...

Page 2

IXF18201 Block Diagram IXF18201 MAC Clock Generation PLL SPI-4-2 SPI-4-2 IXF18203 Block Diagram IXF18203 MAC Clock Generation PLL SPI-4-2 Cascade Port Copyright © 2007 - 2008 Cortina Systems, Inc. 16/32-bit μP Interface MDIO Control Interface Control and Stat Registers Tx ...

Page 3

General Features • XAUI Interface • Pause Control • 1.2V IEEE MDIO Interface • SPI-4.2 Interface • Dedicated Memory Architecture IXF18105 Features • Protection switching between the XA UI interfaces is user controlled IXF18201 Features • Dual MAC Cores in ...

Page 4

Typical Application of IXF18203 Cortina in Communications Cortina is a leading supplier of intelligent communication solutions through continuous innovations in advanced port processing and intelligent port connectivity to the Core, Metro , Access and Enterprise Market Segments. With our state-of ...

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