BCM5346M Broadcom Corporation, BCM5346M Datasheet

BCM5346M

Manufacturer Part Number

BCM5346M

Description

16 PORT GIGABIT ETHERNET SWITCHING PROCESSOR

Manufacturer

Broadcom Corporation

Datasheet

1.BCM5346M.pdf (2 pages)

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Supports 16 Gigabit Ethernet ports in wirespeed operation

Gigabit Ethernet ports support RGMII interfaces to Standard

GE Transceivers

On-chip L2 search table supports 8K MAC addresses

Jumbo Frame support (9 Kbyte)

Supports 4K VLAN address and 802.1s Multiple Spanning

Tree protocol

Supports 802.1w Rapid Spanning Tree

Supports 802.1p and/or DiffServ with four priority queues

Supports 802.3ad link aggregation

Supports selected MIB groups in RMON

Supports up to 256 IP multicast groups

Full-duplex and half-duplex operation with IEEE 802.3x flow

control and backpressure

On-chip 512 Kbyte packet buffer memory with sophisticated

buffer management

Offers per-port rate control

Supports 802.1x access control protocol

Built in 32-bit, 33-MHz PCI bus interface

Extremely low power consumption (4W)

Packaged in 676-pin BGA

16 PORT GIGABIT ETHERNET SWITCHING PROCESSOR

F E A T U R E S

16 Gigabit Ethernet Ports for SOHO and Subnetwork Applications

Cable/DSL/Wireless

Router

Gigabit Ethernet Uplink

Copper or Fiber

Printer

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•

BCM5346M

Enables a new generation of lower-cost switches with Gigabit

Ethernet connectivity and much smaller form factors.

Complete switch on a chip integrates multilayer forwarding

and filtering logic and internal ARL tables and packet

buffering.

Filters and forwards traffic at full wire speed on all 16 ports at

all layers of functionality. This equates to 32 Gbps of

bandwidth.

Provides the most cost effective Gigabit Ethernet connectivity

to the desktop for all remote and branch office as well as

enterprise workgroup needs.

Supports 8K internal MAC addresses so even large, segmented

networks can be supported.

Supports Quality of Service (QoS) for prioritization of

different traffic types.

Full support of VLANs allows separation of user groups and

minimizes superfluous traffic.

Jumbo frame support allows the device to be connected to

corporate server farms and networks while maintaining

maximum TCP/IP performance.

Supports the latest standards used in corporate networks for

discovery, management, access control, and traffic control.

On-chip MIB registers allows the collection and transmission

of statistics for each port and allows an upward migration path

for corporate users.

Gigabit Ethernet Server

S U M M A R Y O F B E N E F I T S

PCs

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BCM5346M Summary of contents

Page 1

... Extremely low power consumption (4W) • Packaged in 676-pin BGA 16 Gigabit Ethernet Ports for SOHO and Subnetwork Applications BCM5346M Enables a new generation of lower-cost switches with Gigabit • Ethernet connectivity and much smaller form factors. • Complete switch on a chip integrates multilayer forwarding and filtering logic and internal ARL tables and packet buffering ...

Page 2

... In addition, individual ports can be rate controlled in 16 steps down to 64 Kbps. The BCM5346M device offers an integrated PCI bus to support fully managed applications. All the required counters and frame trapping mechanisms as well as the DMA support are incorporated into the device. ® ...

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