OVERVIEW
The BCM5348M is designed based on the field-proven industry leader ROBOswitch®. This device combines all the functions of a high-speed switch system including packet buffers, 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 specifications, including the MAC control PAUSE frame and autonegotiation subsections, providing interoperability with all industrystandard Ethernet, Fast Ethernet, and Gigabit Ethernet devices.

FEATURES
• Eighth-generation ROBO L2+ 48 FE + four SGMII interfaces
• Twenty-four fully integrated 10/100 PHYs
• Twenty-four ports providing external PHY connectivity via SSSMII
• Compact Field Processor (CFP) based on TCAM technology
• Clustering with single IP management
• Double Tagging supports traffic aggregation
• QoS packet classification supports four priority queues
• Port-based VLAN and 802.1Q VLAN with 4K entries
• Spanning Tree (IEEE 802.1D/1s/1w)
• MAC-based trunking with automatic link failover
• Port mirroring
• IGMP snooping Layer2/3
• Programmable Broadcast, Multicast, and Unknown Unicast storm control
• Per port bandwidth/rate control
• 8K MAC addresses with automatic learning and aging
• Protected port
• Multicast address table for 256 entries
• RvMII, MII, or GMII additional port for management
• EEPROM, SPI, MDC/MDIO, or EB Bus Interfaces
• Hardware and software reset
• Provides per port 70+ MIB counters with MIB Snapshot capability
• Jumbo frame support up to 2048 bytes
• JTAG
• Embedded 1.8V and 1.2V regulators, typical power consumption: 5W
• 676-pin PBGA package