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BCM5324M
(R)
SINGLE-CHIP L2+ MANAGED SWITCH WITH 24 10/100 PORTS + 2 GbE PORTS
FEATURES * Seventh-generation ROBO L2+ 24FE + 2GE switch with two
GMII/RGMII/TBI interfaces
SUMMARY OF BENEFITS * The BCM5324M includes:
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* Twenty-four fully integrated 10/100 PHYs with support of * 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
Advanced Cable Diagnostics in the Broadcom PHY technology
Twenty-four 10/100 transceivers for TX/FX Twenty-four 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.
* Programmable Broadcast, Multicast, and Unknown Unicast
storm control
* Four flexible Class of Service (CoS) queues per port assures
* Per port Bandwidth/Rate Control * 8K MAC addresses with automatic learning and aging * Protected Port * Multicast Address table for 256 entries
th * 25 FE port via MII or Reversed MII mode for management
the lowest latency to high-priority traffic. This enables the switch to support a wide variety of delay sensitive video and audio multicast applications. and provides redundancy of a link.
* IEEE 802.3ad link aggregation increases effective bandwidth * IEEE 802.1X Extensive Authentication Protocol over LAN * Storm and Bandwidth/Rate Control provide better traffic
profile management. interfaces. (EAPOL) plus MAC address locking enhances network port security.
* 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
* Access to all internal registers through SPI or MDC/MDIO * Hardware support for implementing SNMP and RMON. * Low-power consumption and small package allow simple PCB
design.
* 400-pin PBGA package
OVERVIEW
Auto MDI / MDIX Auto MDI / MDIX Auto MDI / MDIX
10/100 PHY 0 10/100 PHY 1 10/100 PHY 2
MAC MAC MAC
MIB Counters 8K L2 MAC Table 4K VLAN Table IGMP Snooping 3 Mb shared LED Interface buffer Internal Osc. Circuit
QoS Traffic Aggregation Port Trunking
Auto MDI / MDIX BCM5461
10/100 PHY 23
MAC GMAC
GMII / RGMII / TBI BCM5461 GMII / RGMII / TBI LEDs MII / RvMII Interface GMAC LED Interface MAC SPI / CPU Interface
Secure MAC Storm Control Rate Control
CPU Interface
BCM5324M is designed based on the field-proven industry leader ROBOSwitchTM. This device combines all the functions of a high-speed switch system including packet buffers, PHY transceivers, media access controllers, address management, and a non-blocking switch fabric into a single 0.13 m 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. BCM5324M is the industry first Ethernet to integrate twenty-four fullduplex 10BASE-T/100BASE-TX/FX Fast Ethernet transceivers. Each transceiver incorporates the Broadcom PHY Advance Cable Diagnostic technology, which can detect cable shorts as well as open and measure the cable length. BCM5324M also supports two GMII/RGMII/TBI interfaces, providing flexible 10/100/1000BASE-TX and fiber connectivity. BCM5324M supports 8K MAC addresses, 4K VLAN addresses and stores up to 256 multicast addresses including IP multicast. BCM5324M also supports 802.1d Spanning Tree, 802.1s Multiple STP, 802.1w Rapid STP, and flexible ingress and egress checking rules for VLAN processing. BCM5324M supports up to four CoS queues per egress port, ideal for delay sensitive multimedia applications. Traffic can be assigned to these
CoS queues based on the Port ID, the MAC address, the 802.1p priority field in layer 2, the TOS field in IPv4 or the DiffServ field in IPv6 headers. Together with other advanced features, such as 802.1x EAPOL protocol filtering, Port bandwidth/rate control, MAC address locking and IGMP snooping at Layer2 and Layer3 allow system vendors to build advanced L2+ switch systems for the multitenant/multidweller unit (MDU/MTU) markets. The BCM5324M family of switches is optimized for Websmart and L2 managed designs. The new level of integration brings L2 manageable to SMB switches at an affordable price. Single chip replaces the typical 3or 4 chip solutions in the market today. For Network Management, the BCM5324M includes 70+ on-chip MIB counters to collect receive and transmit statistics from each port for supporting the Etherlike MIB, Bridge MIB, MIB II (interfaces) and the RMON MIB (Groups 1, 2, 3, 9). Product ordering information: * BCM5324M (24FE+2G) * BCM5322M (24FE+2MII) * BCM5321M (16FE+2G) * BCM5320M (8FE+2G)
Broadcom(R), the pulse logo, and Connecting everything(R) 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.
(R)
BROADCOM CORPORATION 16215 Alton Parkway, P.O. Box 57013 Irvine, California 92619-7013
(c) 2004 by BROADCOM CORPORATION. All rights reserved. 5324M-PB00-R 10/08/04
Phone: 949-450-8700 Fax: 949-450-8710 E-mail: info@broadcom.com Web: www.broadcom.com

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