LAN9211 datasheet(121/147 Pages) SMSC

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High-Performance Small Form Factor Single-Chip Ethernet Controller with HP Auto-MDIX Support

Datasheet

SMSC LAN9211

121

Revision 2.9 (03-01-12)

DATASHEET

5.5.7

Auto-negotiation Expansion

5.5.8

Mode Control/Status

Note 5.3

The default value of this bit will vary dependant on the current link state of the line.

Index (In Decimal):

Size:

16-bits

BITS

DESCRIPTION

TYPE

DEFAULT

15:5

Reserved

Parallel Detection Fault.

1 = fault detected by parallel detection logic

0 = no fault detected by parallel detection logic

RO/LH

Link Partner Next Page Able.

1 = link partner has next page ability

0 = link partner does not have next page ability

Next Page Able.

1 = local device has next page ability

0 = local device does not have next page ability

Page Received.

1 = new page received

0 = new page not yet received

RO/LH

Link Partner Auto-Negotiation Able.

1 = link partner has auto-negotiation ability

0 = link partner does not have auto-negotiation ability

Index (In Decimal):

Size:

16-bits

BITS

DESCRIPTION

TYPE

DEFAULT

15-14

Reserved. Write as 0; ignore on read.

EDPWRDOWN. Enable the Energy Detect Power-Down mode:

0=Energy Detect Power-Down is disabled

1=Energy Detect Power-Down is enabled

12-2

Reserved. Write as 0, ignore on read

ENERGYON. Indicates whether energy is detected. This bit goes to a “0” if

no valid energy is detected within 256ms. Reset to “1” by hardware reset,

unaffected by SW reset.

See Note 5.3

Reserved. Write as “0”. Ignore on read.

LAN9211 Datasheet(PDF) 121 Page - SMSC Corporation

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