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Fabricante

PM3351

SINGLE PORT FAST ETHERNET SWITCH

PMC-Sierra 

DATA SHEET

PMC-970113

ISSUE 3

PM3351 ELAN 1X100

SINGLE PORT FAST ETHERNET SWITCH

FEATURES

• Single-chip, 1-port, full duplex or half duplex, 10/100BaseT switching device for

low-cost unmanaged and managed networks.

• On-chip 50 MHz RISC CPU processor core, multi-channel DMA controller,

MAC-layer interface logic, FIFOs, PCI-based expansion port and a flexible

memory controller.

• CPU supports background applications running on local OS (e.g., SNMP or

RMON), and real-time data oriented applications (e.g., frame forwarding and

filtering decisions).

• Performs frame switching at a rate of 200 Mbit/s (full duplex), 100 Mbit/s (half

duplex).

• Fully compatible with the PM3350, 8-port 10 Mbit/s switch device; may be used

to create a compact and inexpensive mixed 10/100 Mbit/s switching hub.

• Store-and-forward operation with full error checking and filtering.

• Filtering and switching at wire rates (up to 148,800 packets per second),

supporting a mix of Ethernet and IEEE 802.3 protocols.

• Expansion port supports a peak system bandwidth of 1 Gbit/s, and is compatible

with industry-standard PCI bus (version 2.1).

• Performs all address learning, address table management and aging functions

for up to 32,768 MAC addresses (limited by external memory). Address

learning rate of up to 100,000 addresses per second.

• Maximum broadcast/multicast at wire rates with configurable broadcast storm

rate limiting.

• Low-latency operation in both unicast and broadcast modes.

• Implements the Link Partition function to isolate malfunctioning segments or

hosts.

• IEEE 802.1d compliant spanning-tree transparent bridging supported on-chip,

with configurable aging time and frame lifetime control.

PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE 1

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