High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
Datasheet
14.4.2.7
Port x PHY Auto-Negotiation Expansion Register (PHY_AN_EXP_x)
Index (decimal):
6
Size:
16 bits
This read/write register is used in the Auto-Negotiation process between the link partner and the Port
x PHY.
BITS
DESCRIPTION
TYPE
DEFAULT
15:5
4
RESERVED
RO
-
Parallel Detection Fault
This bit indicates whether a Parallel Detection Fault has been detected.
RO/LH
0b
0: A fault hasn’t been detected via the Parallel Detection function
1: A fault has been detected via the Parallel Detection function
3
2
1
0
Link Partner Next Page Able
RO
RO
0b
0b
0b
0b
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
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
Page Received
This bit indicates the reception of a new page.
RO/LH
RO
0: A new page has not been received
1: A new page has been received
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
SMSC LAN9312
299
Revision 1.2 (04-08-08)
DATASHEET