BCM5708C データシートの表示（PDF） - Broadcom Corporation

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BCM5708C

10/100/1000BASE-T TCP Offload Engine, RDMA, iSCSI/iSER and Ethernet Controller with PCI-Express™

Broadcom Corporation 

OVERVIEW

RX

10/100/1000

MAC

10/100/1000

PHY

TX

TCP/IP iSCSI RDMA

Offload Protocol Protocol

Engine Offload Engine

Clock

PLL

Buffer

Memory

PCI-Express

x4

PCI-Express

LED Control

UMP

SMBus

SFLASH

Control

LED Signals UMP Interface SMB Interface SFLASH Interface

The BCM5708C provides a fully integrated Layer 4 and Layer 5

solution - TCP/IP, RDMA and iSCSI 1.0/iSER along with a complete 10/

100/1000BASE-T Gigabit Ethernet, IEEE 802.3 compliant Media

Access Control (MAC) and Physical Layer Transceiver solution for high

performance network applications. By itself, the BCM5708C provides a

complete single-chip Gigabit Ethernet NIC with a TCP/IP Offload

Engine, RDMA NIC (RNIC), iSCSI 1.0/iSER HBA or LOM solution.

The BCM5708C is different from other network controllers because it

can process the TCP/IP and relevant L5 protocols on data directly from

the application buffers on the host, therefore relieving the host CPU from

these time-consuming operations. On the receive path, the BCM5708C

processes the frame up to the highest layer supported present in it, e.g.,

the BCM5708C processes the frame for RDMA when the frame is an

RDMA frame.

With the appropriate configuration, the BCM5708C can simultaneously

support any two of the following three functions:

• RDMA Network Interface Controller (RNIC)

• iSCSI or iSER Host Bus Adapter

• TOE Chimney-enabled network accelerator

Target Applications of the BCM5708C

• Gigabit Ethernet NICs and LAN-on Motherboard (LOM)

• ISCSI 1.0 / iSER Host Bus Adapters (HBA)

• RDMA Network Interface Card (RNIC)

Network Interface Cards (NIC) designs LAN on Motherboard (LOM) designs

10/100/1000

BASE-T

PCI-Express x4 NIC

10/100/1000

BASE-T

PCI-Express

x4, x2, or x1 LOM

Broadcom®, the pulse logo, and Connecting everything® are trademarks of Broadcom Corporation and/

or its subsidiaries in the United States and certain other countries. All other trademarks mentioned are the

property of their respective owners.

®

BROADCOM CORPORATION

16215 Alton Parkway, P.O. Box 57013

Irvine, California 92619-7013

© 2004 by BROADCOM CORPORATION. All rights reserved.

5708C-PB01-R 11/17/04

Phone: 949-450-8700

Fax: 949-450-8710

E-mail: info@broadcom.com

Web: www.broadcom.com

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