LM3S8938 Datasheet, PDF (473/550 Pages) List of Unclassifed Manufacturers – Microcontroller

LM3S8938 Microcontroller
Register 23: Ethernet PHY Management Register 6 – Auto-Negotiation
Expansion (MR6), offset 0x06
This register enables software to determine the Auto-Negotiation and Next Page capabilities of the
PHY and the link partner after Auto-Negotiation.
Ethernet PHY Management Register 6 – Auto-Negotiation Expansion (MR6)
Base 0x4004.8000
Offset 0x06
Type RO, reset 0x0000
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
reserved
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
0
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
reserved
PDF LPNPA reserved PRX LPANEGA
Type RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RC
RO
RO
RC
RO
Reset
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Bit/Field
31:5
4
3
2
1
0
Name
reserved
PDF
LPNPA
reserved
PRX
LPANEGA
Type
RO
RC
RO
RO
RC
RO
Reset
0
0
0
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
When set, indicates that more than one technology has been detected
at link up. This bit is cleared when read.
Link Partner is Next Page Able
When set, indicates that the link partner is Next Page Able.
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.
New Page Received
When set, indicates that a New Page has been received from the link
partner and stored in the appropriate location. This bit remains set until
the register is read.
Link Partner is Auto-Negotiation Able
When set, indicates that the Link partner is Auto-Negotiation Able.
June 14, 2007
473
Luminary Micro Confidential-Advance Product Information