LAN9312 datasheet(300/458 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

Revision 1.2 (04-08-08)

300

SMSC LAN9312

DATASHEET

14.4.2.8

Port x PHY Mode Control/Status Register (PHY_MODE_CONTROL_STATUS_x)

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

Index (decimal):

Size:

16 bits

BITS

DESCRIPTION

TYPE

DEFAULT

15:14

RESERVED

Energy Detect Power-Down (EDPWRDOWN)

This bit controls the Energy Detect Power-Down mode.

0: Energy Detect Power-Down is disabled

1: Energy Detect Power-Down is enabled

R/W

12:2

RESERVED

Energy On (ENERGYON)

This bit indicates whether energy is detected on the line. It is cleared if no

valid energy is detected within 256ms. This bit is unaffected by a software

reset and is reset to 1 by a hardware reset.

0: No valid energy detected on the line

1: Energy detected on the line

RESERVED

R/W

LAN9312 Datasheet(PDF) 300 Page - SMSC Corporation