bcm5380m Broadcom Corp., bcm5380m Datasheet
bcm5380m
Manufacturer Part Number
bcm5380m
Description
8fe2ge Port Switch With On-chip Packet Buffer - Broadcom Corporation.
Manufacturer
Broadcom Corp.
Datasheet
1.BCM5380M.pdf
(2 pages)
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Scalable and Cost-Effective Solutions for 8+1 or 16+2 or 24+3 Port 10/100/1000 Unmanaged/Managed/Smart Switch
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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 BCM5380M integrates:
• Eight 10/100 transceivers (802.3u compliant)
• Nine 10/100 media access controllers (802.x compliant)
• Two 10/100/1000 media access controllers
• One integrated 10/100/1000BASE-T/TX transceiver (802.3ab compliant)
• 256-KB packet buffer and 128-KB control memory
• Nonblocking switch fabric
• One integrated 1-Gbps SerDes module
Cascadable to 24 Fast Ethernet + 6 Gigabit Ethernet ports through a
SerDes expansion port, 24FE + 2GE nonblocking
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:
• Low-cost MIB Autocast™ function
• Hardware support for simple network management protocol (SNMP),
8FE+2GE PORT SWITCH WITH ON-CHIP PACKET BUFFER
remote network monitoring (RMON), and spanning tree
F E A T U R E S
Management Module
Optional ARM7
ARM
MII
®
SMP
BCM5380
10/100
10/100/1000
Expansion
BCM5380
10/100
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BCM5380M
10/100/1000
Enables a new generation of lower cost switches with gigabit
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
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/managed 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
S U M M A R Y O F B E N E F I T S
BCM5380
10/100
Optional uP or EEPROM
Smart switch option
10/100/1000
EEPROM
8051 or
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bcm5380m Summary of contents
Page 1
... 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 BCM5380M integrates: • • Eight 10/100 transceivers (802.3u compliant) • Nine 10/100 media access controllers (802.x compliant) • Two 10/100/1000 media access controllers • ...
Page 2
... ROBOSmartSwitch™ software provides system and port configuration, VLAN and QoS setup, and IGMP snooping. The BCM5380M is 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 ...