BCM5382M
®
8FE+2GE PORT SWITCH WITH ON-CHIP PACKET BUFFER
FEATURES
SUMMARY OF BENEFITS
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The highest level of silicon integration achieved for an eight+two-port,
10/100/1000 Ethernet switch device
Sixth-generation switch on a chip
The BCM5382M integrates:
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Eight 10/100 transceivers (802.3u compliant)
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Nine 10/100 media access controllers (802.x compliant)
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Two 10/100/1000 integrated switch controllers
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One integrated 10/100/1000BASE-T/TX transceiver (802.3ab compliant)
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256-KB packet buffer and 128-KB control memory
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Nonblocking switch fabric
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One integrated 1G SerDes module
Nonblocking 8 Fast Ethernet + 2 Gigabit Ethernet fully integrated switch
fabric
Packet classification 802.1p QoS priority queues
VLAN 4K 802.1Q or port-based supported
Reverse MII, MII, or 7-wire interface supports an additional 100BASE-
FX or 100BASE-TX connection or uplink
Supports up to 4,000 unicast MAC addresses
Flow control: full-duplex (802.3x) and half-duplex options supported
Supports automatic address learning and aging
Internal oscillator circuit
Low power 0.13-µm 1.2V CMOS core: 3.5 W Pd.
324-pin FBGA package (small form factor 19 mm
∞
19 mm)
Management features:
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Low-cost MIB Autocast™ function
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Hardware support for simple network management protocol (SNMP),
remote network monitoring (RMON), and spanning tree
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Enables a new generation of lower cost switches with gigabit
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connectivity and much smaller form factors
Uses field-proven industry-standard
10BASE-T /100BASE-TX Fast Ethernet/100BASE-T
transceivers—lowers overall system interoperability and
reliability risks
Flexible interfaces support a wider variety of application
needs—SerDes, fiber for long distances or additional
10/100/1000TX ports
Provides the most cost-effective gigabit connectivity to the
desktop for all remote, branch, and home office needs
802.1Q tag VLAN, trunking, and 802.1p priority enables the
switch to be designed into a wide variety of applications from
unmanaged to smart switches
CPUs are not required to initialize and run in cost-sensitive
unmanaged applications, providing true Plug and Play
connectivity
Internal oscillator circuit simplifies design and reduces overall
system cost
Ability to gather and support basic management statistics with
only a very low-cost microcontroller
Low-cost management using the on-chip MIB registers allows
the collection and transmission of statistics for each port and
allows an upward migration path for corporate users
On-chip HP auto-MDI/MDIX on all transceivers
automatically detects and corrects for crossover cables and
allows direct switch-to-switch connection
High-Performance 8+2 port ROBOswitch™ for SOHO and Subnetwork Applications
Gigabit Uplink
Copper or Fiber
PCs
Printer
Cable/DSL/Wireless
Router
Gigabit
PCs
IP Phones
Server
OVERVIEW
Auto-MDI/MDIX
Auto-MDI/MDIX
Auto-MDI/MDIX
Auto-MDI/MDIX
Auto-MDI/MDIX
Auto-MDI/MDIX
Auto-MDI/MDIX
Auto-MDI/MDIX
MII Interface
10/100 PHY
10/100 PHY
10/100 PHY
10/100 PHY
10/100 PHY
10/100 PHY
10/100 PHY
10/100 PHY
MAC
MAC
MAC
MAC
MAC
MAC
MAC
MAC
MAC
MIB Registers & ARL
Switch controller
802.1Q VLAN
tag (4K)
4K address table
802.1p QoS
2 Level Priority
GMII/SerDes Interface
10/100/1000
PHY
GMAC
256 KB
Packet buffer
Auto-MDI/MDIX
GMAC
SPI/CPU
Interface
LED Interface
CPU Interface
LEDs
The Broadcom BCM5382M device is a highly integrated solution. It
combines all the functions of a high-speed switch system, including
packet buffer, PHY transceivers, media access controllers, address
management, and a nonblocking switch fabric into a single 0.13-µm
CMOS device. It complies with IEEE 802.3, 802.3u, 802.3ab 802.3x
specifications, including the MAC control, pause frame, and auto-
negotiation subsections, providing compatibility with all industry-
standard Ethernet, Fast Ethernet, and Gigabit Ethernet devices.
This device contains eight full-duplex 10BASE-T/100BASE-TX Fast
Ethernet transceivers and one 10/100/1000BASE-T transceiver, each of
which performs all of the physical layer interface functions for
10BASE-T Ethernet on Category 3, 4, or 5 unshielded twisted-pair
(UTP) cable and 100BASE-TX Fast Ethernet on Category 5 UTP cable.
SPI or EEPROM interfaces provide easy programming of the 802.1p
QoS. This allows switch traffic to be given different classes of priority or
service—for example, voice traffic for IP phone applications, video
traffic for multimedia applications, or data traffic for e-mail applications.
Up to 4,000 VLANs can be set up via the SPI port.
Even though this device is primarily targeted for the cost-sensitive
unmanaged market, very low-cost management can also be provided
using the proprietary MIB Autocast function. MIB Autocast
encapsulates the on-chip MIB statistics and sends them out automatically
on a predefined port (or ports) at programmed intervals. This feature is
part of the 8051 micro smart switch option for basic smart management
via a console port.
As part of the Smart Switch mode, the BCM5382M periodically
transmits Ethernet frames on a designated port. The frames can be
intercepted by an external management probe or a dedicated network
management application, resident on any node within the network. In
addition, the ROBOSmartSwitch™ software provides system and port
configuration, VLAN and QoS setup, and IGMP snooping.
The BCM5382M designed to work in Unmanaged Standalone or
Managed mode via the on-chip MII interface to an ARM7 CPU. This
provides support for the Ethernet-like MIB, bridge MIB, layer 2
management functions, private MIB, MIB II, and 4 groups of RMON.
ROBO-managed Linux
®
software also supports RTOS, BSP and loader,
SNMP agent, console, WEB UI, spanning tree, Tenet UI, port mirroring,
trunking and easy programming of VLAN groups, QoS priorities, and
IGMP snooping.
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.
5382M-PB02-R
07/08/04
Phone: 949-450-8700
Fax: 949-450-8710
E-mail: info@broadcom.com
Web: www.broadcom.com
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