LAN9312 datasheet(373/458 Pages) SMSC

Part #	LAN9312

Description	High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface

PDF	458 Pages

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Manufacturer	SMSC [SMSC Corporation]

Direct Link	http://www.smsc.com

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High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface

Datasheet

SMSC LAN9312

373

Revision 1.2 (04-08-08)

DATASHEET

18:16

Port

These bits indicate the port(s) associated with this MAC address. When bit

18 is cleared, a single port is selected. When bit 18 is set, multiple ports are

selected.

000b

15:0

MAC Address

These field contains the last 16 bits of the ALR entry. They correspond to

the last 16 bits of the MAC address. Bit 15 holds the MSB of the last byte

(the last bit on the wire). The first 32 bits of the MAC address are located

in the Switch Engine ALR Read Data 0 Register (SWE_ALR_RD_DAT_0).

0000h

BITS

DESCRIPTION

TYPE

DEFAULT

VALUE

ASSOCIATED PORT(S)

000

Port 0(Host MAC)

001

Port 1

010

Port 2

011

RESERVED

100

Port 0(Host MAC) and Port 1

101

Port 0(Host MAC) and Port 2

110

Port 1 and Port 2

111

Port 0(Host MAC), Port 1, and Port 2

LAN9312 Datasheet(PDF) 373 Page - SMSC Corporation

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