Port x phy auto-negotiation, Expansion register (phy_an_exp_x), Datasheet – SMSC LAN9312 User Manual

Page 298

Advertising
background image

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

Datasheet

Revision 1.4 (08-19-08)

298

SMSC LAN9312

DATASHEET

14.4.2.7

Port x PHY Auto-Negotiation Expansion Register (PHY_AN_EXP_x)

This read/write register is used in the Auto-Negotiation process between the link partner and the Port
x PHY.

Index (decimal):

6

Size:

16 bits

BITS

DESCRIPTION

TYPE

DEFAULT

15:5

RESERVED

RO

-

4

Parallel Detection Fault
This bit indicates whether a Parallel Detection Fault has been detected.

0: A fault hasn’t been detected via the Parallel Detection function
1: A fault has been detected via the Parallel Detection function

RO/LH

0b

3

Link Partner Next Page Able
This bit indicates whether the link partner has next page ability.

0: Link partner does not contain next page capability
1: Link partner contains next page capability

RO

0b

2

Local Device Next Page Able
This bit indicates whether the local device has next page ability.

0: Local device does not contain next page capability
1: Local device contains next page capability

RO

0b

1

Page Received
This bit indicates the reception of a new page.

0: A new page has not been received
1: A new page has been received

RO/LH

0b

0

Link Partner Auto-Negotiation Able
This bit indicates the Auto-negotiation ability of the link partner.

0: Link partner is not Auto-Negotiation able
1: Link partner is Auto-Negotiation able

RO

0b

Advertising