LM3S9U92_15 Datasheet, PDF (973/1412 Pages) Texas Instruments – Stellaris LM3S9U92 Microcontroller

Stellaris^® LM3S9U92 Microcontroller
Register 24: Ethernet PHY Management Register 6 – Auto-Negotiation
Expansion (MR6), address 0x06
This register enables software to determine the auto-negotiation and next page capabilities of the
Ethernet Controller and the link partner after auto-negotiation.
Ethernet PHY Management Register 6 – Auto-Negotiation Expansion (MR6)
Base 0x4004.8000
Address 0x06
Type RO, reset 0x0000
15
14
13
12
11
10
9
8
7
6
5
reserved
Type RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
Reset
0
0
0
0
0
0
0
0
0
0
0
4
PDF
RC
0
3
2
LPNPA reserved
RO
RO
0
0
1
0
PRX LPANEGA
RC
RO
0
0
Bit/Field
15:5
4
3
Name
reserved
PDF
LPNPA
Type
RO
RC
RO
Reset
0x000
0
0
Description
Software should not rely on the value of a reserved bit. To provide
compatibility with future products, the value of a reserved bit should be
preserved across a read-modify-write operation.
Parallel Detection Fault
Value Description
1 More than one technology was detected at link up.
0 Only one technology was detected at link up.
This bit is automatically cleared when read.
Link Partner is Next Page Able
Value Description
1 The link partner is enabled to support next page.
0 The link partner is not enabled to support next page.
2
reserved
RO
0
Software should not rely on the value of a reserved bit. To provide
compatibility with future products, the value of a reserved bit should be
preserved across a read-modify-write operation.
1
PRX
RC
0
New Page Received
Value Description
1 A new page has been received from the link partner and stored.
0 A new page has not been received.
This bit is automatically cleared when read.
0
LPANEGA
RO
0
Link Partner is Auto-Negotiation Able
Value Description
1 The link partner is enabled to support auto-negotiation.
0 The link partner is not enabled to support auto-negotiation.
July 03, 2014
973
Texas Instruments-Production Data