bcm53242m Broadcom Corp., bcm53242m Datasheet
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bcm53242m
Manufacturer Part Number
bcm53242m
Description
Managed Switch With 24-fe Ports 2-gbe Interface
Manufacturer
Broadcom Corp.
Datasheet
1.BCM53242M.pdf
(2 pages)
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MANAGED SWITCH WITH 24-FE PORTS + 2-GbE INTERFACE
Ninth-generation L2+ Fast Ethernet switch with two GMII/
RGMII/TBI interfaces
• Twenty four port 10/100 transceivers for TX/EFX
• Advanced cable diagnostic support
• Twenty five 10/100 MACs
• Two Gigabit MACs
• 3-Mbit (384 KB) packet buffer and control memory
• Management port with RvMII/MII interface
Non-blocking switch fabric for 24 FE + 2 GbE ports
Jumbo frame support up to 2048 bytes
Flexible TCAM-based compact field processor for packet
classification and filtering
Packet remarking, VID replacement
• 802.1p PCP, DSCP remarking
802.1p, port, MAC, protocol, Customer_VID, and DiffServ
(IPv4/IPv6) based QoS packet classification with four priority
queues
Port-based VLAN
802.1Q-based VLAN with 4K entries
MAC-based VLAN with 512 entries
Protocol-based VLAN with 16 entries
Double tagging
• UNI/NNI configuration per port for edge access application
• QinQ packet transmission through NNI port
• Programmable global SP_TPID
• Programmable SP_VID through flexible mapping
VLAN -> VLAN and port + VLAN -> VLAN translation with
4K entries
F E A T U R E S
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BCM53242M
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Brief
Link aggregation support with automatic link fail-over
Programmable per-port bandwidth/rate control
Protected port security feature
Port mirroring (ingress/egress) and MLD snooping
Spanning tree support (802.1d/1s/1w)
Supports 802.1x EAPOL higher layer protocol
Programmable broadcast, multicast, and unknown unicast
storm control. 8K MAC addresses with automatic learning
and aging
MDC/MDIO and SPI interfaces
1K-entry Multicast address table
Hardware supports SNMP, RMON
Internal oscillator simplifies design and reduces cost.
JTAG
2.5V and 1.2V, typical power consumption—4.1W
400-pin PBGA package
F E A T U R E S