LAN9312 datasheet(307/458 Pages) SMSC

Part #	LAN9312

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

PDF	458 Pages

Scroll/Zoom	100%

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

307

Revision 1.2 (04-08-08)

DATASHEET

14.4.2.13

Port x PHY Special Control/Status Register (PHY_SPECIAL_CONTROL_STATUS_x)

This read/write register is used to control and monitor various options of the Port x PHY.

Index (decimal):

Size:

16 bits

BITS

DESCRIPTION

TYPE

DEFAULT

15:13

RESERVED

Autodone

This bit indicates the status of the Auto-Negotiation on the Port x PHY.

0: Auto-Negotiation is not completed, is disabled, or is not active

1: Auto-Negotiation is completed

11:5

RESERVED

4:2

Speed Indication

This field indicates the current Port x PHY speed configuration.

000b

1:0

RESERVED

R/W

STATE

DESCRIPTION

000

RESERVED

001

10BASE-T Half-duplex

010

100BASE-TX Half-duplex

011

RESERVED

100

RESERVED

101

10BASE-T Full-duplex

110

100BASE-TX Full-duplex

111

RESERVED

LAN9312 Datasheet(PDF) 307 Page - SMSC Corporation

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