BCM5320M Просмотр технического описания (PDF) - Broadcom Corporation
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BCM5320M Datasheet PDF : 2 Pages
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BCM5324M
®
SINGLE-CHIP L2+ MANAGED SWITCH WITH 24 10/100 PORTS + 2 GbE PORTS
FEATURES
SUMMARY OF BENEFITS
• Seventh-generation ROBO L2+ 24FE + 2GE switch with two
GMII/RGMII/TBI interfaces
• Twenty-four fully integrated 10/100 PHYs with support of
Advanced Cable Diagnostics in the Broadcom PHY technology
• QoS packet classification supports four priority queues
• Port-based VLAN and 802.1Q VLAN with 4k entries
• Supports traffic aggregation via double tagging
• Spanning Tree (IEEE 802.1D/1s/1w)
• MAC-based trunking with automatic link failover
• Port mirroring
• IGMP snooping Layer2/3
• Over 70 MIB counters for per port management statistics
• Up to 24 Static Secure MAC addresses per port
• 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
• 25th FE port via MII or reversed MII mode for management
• MDC/MDIO and SPI interfaces
• Internal oscillator simplifies design and reduces cost
• JTAG
• Embedded 2.5V and 1.2V regulator, typical power
consumption: 3.5W
• 400-pin PBGA package
• The BCM5324M includes:
- 24 10/100 transceivers for TX/FX
- 24 media access controllers
- Two Gigabit media access controllers
- 3 Mb total of packet buffer and control memory
- Non-blocking switch fabric supports up to 24 FE+2 GE
ports
• Advanced Cable Diagnostics minimize the need for expensive
cable troubleshooting equipment.
• Enables a new generation of lower cost FE switches with the
highest integration of enhanced L2+ features and maximum
connectivity.
• Optimized for WebSmart™ managed switch design.
• 802.1Q VLAN allows segmentation of network into smaller
broadcast domains to preserve bandwidth and increase
network security.
• Four flexible Class of Service (CoS) queues per port assures
the lowest latency to high-priority traffic. This enables the
switch to support a wide variety of delay sensitive video and
audio multicast applications.
• IEEE 802.3ad link aggregation increases effective bandwidth
and provides redundancy of a link.
• IEEE 802.1X Extensive Authentication Protocol over LAN
(EAPOL) plus MAC address locking enhances network port
security.
• Storm and bandwidth/rate control provide better traffic
profile management.
• Access to all internal registers through SPI or MDC/MDIO
interfaces.
• Hardware support for implementing SNMP and RMON.
• Low-power consumption and small package allow simple PCB
design.
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