LAN9312 datasheet(391/458 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

391

Revision 1.2 (04-08-08)

DATASHEET

14.5.3.22

Switch Engine Ingress Port Type Register (SWE_INGRSS_PORT_TYP)

This register is used to enable the special tagging mode used to determine the destination port based

on the VLAN tag contents.

1847h

Size:

32 bits

BITS

DESCRIPTION

TYPE

DEFAULT

31:6

RESERVED

5:4

Ingress Port Type Port 2

A setting of 11b enables the usage of the VLAN tag to specify the packet

destination. All other values disable this feature.

R/W

00b

3:2

Ingress Port Type Port 1

A setting of 11b enables the usage of the VLAN tag to specify the packet

destination. All other values disable this feature.

R/W

00b

1:0

Ingress Port Type Port 0

A setting of 11b enables the usage of the VLAN tag to specify the packet

destination. All other values disable this feature.

R/W

00b

LAN9312 Datasheet(PDF) 391 Page - SMSC Corporation