? The highest level of silicon integration achieved for a five-port 10/100 Ethernet switch device ? Fourth generation switch on a chip ? The BCM5325M integrates: ? Five transceivers (802.3u compliant) ? Six media access controllers (802.x compliant) ? 128-KB packet buffer ? Non-blocking switch fabric ? Packet classification 802.1p QoS priority queues ? Port-based VLAN ? MII or 7-wire interface supports an additional 100FX or 100TX connection enabling a sixth user connection or uplink ? Supports up to 2K MAC addresses ? Flow control: full-duplex (802.3x) and half-duplex options supported ? Supports automatic address learning and aging ? Internal oscillator circuit ? Typical power consumption: < 1.4W ? 128-pin PQFP package ? Management features: ? Low-cost MIB Autocast TM function ? Hardware support for Simple Network Management Protocol (SNMP), Remote Network Monitoring (RMON) and Spanning Tree
? Enables a new generation of lower cost 10/100 switches in much smaller form factors ? Utilizes field-proven industry-standard 10BASE-T/100BASETX Fast Ethernet transceivers—lowering overall system interoperability and reliability risks ? Flexible interfaces support a wider variety of application needs—fiber for long distances or an additional 100TX port ? Sufficient address range handles all remote office, branch office and home office needs ? Port VLAN and 802.1p priority enables the switch to be designed into a wide variety of applications ? 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 provides an upward migration path for corporate users ? On-chip HP auto-MDI/MDIX feature automatically detects and corrects for crossover cables and allows direct switch-toswitch connection
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