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BCM5696
(R)
MULTILAYER 12-PORT GIGABIT ETHERNET SWITCH
FEATURES SUMMARY OF BENEFITS
* 12 10/100/1000-Mbps Ethernet ports with copper or fibre
connectivity * All address tables and buffer memory fully integrated on-chip * Support for jumbo frames of up to 9 KB in size
* Enables modular, high-performance GbE switch designs * Facilitates seamless integration of voice, video, and data traffic
through low-latency and advanced QoS
* Enables lower system design cost and board space utilization
through superior integration and compact form factor
* Advanced full-duplex end-to-end flow and congestion control *
* *
* * Advanced diagnostic features including JTAG boundary scan
with head-of-line blocking prevention ContentAwareTM packet filtering and classification per-port * Wirespeed operation * Support for 802.1p, TOS/DiffServ, policing, shaping, marking, and remarking * Rate control of broadcast, unknown multicast and unicast packets * Eight queues per port Support for double 802.1q VLAN tagging and VLAN translation Hardware-based IP multicast routing and forwarding * Support for replication Equal and weighted cost multipath routing for load balancing
* Offers quicker time-to-market and software reuse through
backward compatibility with Broadcom switch software API
TARGET APPLICATIONS
* High-performance standalone GbE switch solutions for
distribution and wiring closet of enterprise networks and remote branches
* Embedded GbE switch solutions for blade server applications
within space-constrained data centers
and BIST functionality * Low power consumption of 4.65W in a 480-pin PBGA package * Pin-to-pin compatible with the BCM5691
* Highly reliable GbE switch solutions for telecom applications
in central offices
12-port Multilayer Gigabit Ethernet Switch
Layer 3 On-Chip Tables
ARL
L3
Packet Buffer MMU PCI
Internal Memory for Nonblocking Performance
ContentAwareTM FFP
1-Gbps SerDes with SGMII Support
PCI 32/66 Interface I2C Interface
10/100/1000 MAC
12 x GbE
OVERVIEW Functional Design of BCM5696-Based 20-Port GbE Switch
SDRAM
FLASH
PCI
CPU
BCM5696
BCM5696
BCM5464
BCM5464
10 x GbE
General Description The BCM5696 is an integral component of the highly modular switch architecture. Each port supports 10/100/1000-Mbps Ethernet with copper or fibre physical interfaces. The BCM5696 has a fully integrated SerDes with an SGMII interface on the GbE ports. The flexibility and modularity of the BCM5696 switch architecture makes it suitable for a wide range of applications including fixed, blade server, and metro Ethernet switching. Advanced QoS The highly flexible ContentAware packet filtering and classification engine in the BCM5696 switch family provides a common application platform across the entire StrataXGSTM product line. It supports ToS/DiffServ, rate limiting, policing, shaping, marking, and remarking. These features enable cutting-edge voice and video applications based on the Internet Protocol. Multi-Service Intelligence Superior scalability, high availability, and performance enable network designers to meet the growing needs of mission-critical enterprise applications. Support of multi-service intelligence in the form of
10 x GbE
integrated security (IEEE 802.1x), wirespeed access control lists, policybased rate limiting, IP Multicast replication, IPv6 awareness, and advanced Layer 3 functionality ensures robust network design. New metro Ethernet features extend the security boundary beyond the enterprise networks into service provider networks with support for double VLAN tagging (IEEE 802.1Q) and VLAN translation. Superior Performance The BCM5696 delivers wirespeed switching performance across all ports simultaneously. The BCM5696 also introduces very low switching latency, enabling very high-quality transmission of voice, video, and data traffic. The BCM5696 supports advanced packet flow control such as head-of-line blocking prevention and IEEE 802.3x-compatible fullduplex control. Additional Information Production-ready reference design kits enable faster time-to-market for system vendors and come with extensive support documentation and software. Please contact your local sales representative for more information.
Broadcom(R), the pulse logo, Connecting everything(R), and StrataXGSTM 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.
(R)
BROADCOM CORPORATION 16215 Alton Parkway, P.O. Box 57013 Irvine, California 92619-7013
(c) 2004 by BROADCOM CORPORATION. All rights reserved. 5696-PB00-R 04/26/04
Phone: 949-450-8700 Fax: 949-450-8710 E-mail: info@broadcom.com Web: www.broadcom.com

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