LM3S9B81 Datasheet, PDF (851/1155 Pages) Texas Instruments – Stellaris® LM3S9B81 Microcontroller

Stellaris® LM3S9B81 Microcontroller
Register 22: Ethernet PHY Management Register 5 – Auto-Negotiation Link
Partner Base Page Ability (MR5), address 0x05
This register provides the advertised abilities of the link partner’s Ethernet Controller that are received
and stored during auto-negotiation.
Ethernet PHY Management Register 5 – Auto-Negotiation Link Partner Base Page Ability (MR5)
Base 0x4004.8000
Address 0x05
Type RO, reset 0x0001
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
NP
ACK
RF
A
S
Type RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
Reset
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
Bit/Field
15
Name
NP
Type
RO
Reset
0
Description
Next Page
Value Description
1 The link partner’s Ethernet Controller is capable of Next page
exchanges to provide more detailed information on the Ethernet
Controller’s capabilities.
0 The link partner’s Ethernet Controller is not capable of Next
page exchanges
14
ACK
RO
0
Acknowledge
Value Description
1 The Ethernet Controller has successfully received the link
partner’s advertised abilities during auto-negotiation.
0 The Ethernet Controller has not received the link partner’s
advertised abilities during auto-negotiation.
13
RF
RO
0
Remote Fault
Value Description
1 The link partner is indicating that a Remote Fault condition has
been encountered.
0 The link partner is not indicating that a Remote Fault condition
has been encountered.
12:5
A
RO
0x00 Technology Ability Field
This field encodes individual technologies that are supported by the
Ethernet Controller. See the MR4 register for definitions. Note that bits
[12:9] describe functions that are not implemented on the Stellaris^®
Ethernet Controller. Refer to the IEEE 802.3 standard for definitions.
June 29, 2010
851
Texas Instruments-Advance Information