Technical data

1.5.8 Auto Negotiation Expansion Register
15 14 13 12 11 10 9 8 No. Initial value
Reserved 6 0000H
7 6 5 4 3 2 1 0
Reserved Parallel
Detection
Fault
Link
Partner
Next
Page Able
Next
Page Able
Page
Received
Link
Partner
Auto-
Negotia
tion Able
Table 27: Auto-Negotiation Expansion Register Overview
Bit position Bit name R/W Function
15:5 Reserved R Reserved
Ignore on read access
4 Parallel
Detection
Fault
R Parallel Detection Fault
Indicates if a fault occured during parallel detection
Parallel Detection
Fault
Parallel detection fault indication
0
b
No fault has occured during parallel detection
(initial value)
1
b
A
fault has occured during parallel detection
3 Link Partner
Next Page
Able
R Link Partner Next Page Able
Indicates, if the link partner is next page able or not
Link Partner Next
Page Able
Link partner next page ability indication
0
b
Link partner is not next page able (initial value)
1
b
Link partner is next page able
2 Next Page
Able
R Next Page Able
Indicates if the local device is next page able or not
Next Page Able Next page ability indication
0
b
Local device is not next page able
1
b
Local device is next page able (initial value)
1 Page
Received
R Page Received
Indicates, if a new page has been received
Page Received Page received indication
0
b
No new page has been received (initial value)
1
b
A
new page has been received
Copyright © Siemens AG 2008. All rights reserved. Page 39 ERTEC 200 PHY
Technical data subject to change Version 1.0.0