Technical data

1.5.5 Auto Negotiation Advertisment Register
15 14 13 12 11 10 9 8 No. Initial value
Next
Page
Reserved Remote
Fault
Reserved Pause Operation 100BASE
-T4
100BASE
-TX Full
duplex
4
xxxxH
Note
7 6 5 4 3 2 1 0
100BASE
-TX
10BASE-
T Full
Duplex
10BASE-
T
Selector Field
Table 21: Auto-Negotiation Advertisement Register Overview
Note: The initial value depends on the setting of the P(2:1)_PHY_MODE(2:0) bits in the PHY1/2 Con-
figuration Register in the System Control Register block
.
Bit position Bit name R/W Function
15 Next Page R/W Next Page
Selects, if next page capablility is indicated to the link partner
Next Page Next page capability indication
0
b
No next page capability is indicated
(initial value)
1
b
Next page capability is indicated
14 - R Reserved
Write 0
b
; ignore on read access
13 Remote
Fault
R/W Remote Fault
Indicates, if a remote fault has been detected
Remote Fault Remote fault detection indication
0
b
No remote fault condition has been detected
(initial value)
1
b
Remote fault condition has been detected
12 - R Reserved
Write 0
b
; ignore on read access
11:10 Pause
Operation
R/W Pause Operation
Indicates the supported pause operation functions to the link partner
Pause Operation Pause operation support indication
00
b
No pause operation supported (initial value)
01
b
Asymmetric pause operation towards link partner
supported
10
b
Symmetric pause operation supported
11
b
Symmetric pause operation and asymmetric
pause operation towards local device supported
Copyright © Siemens AG 2008. All rights reserved. Page 33 ERTEC 200 PHY
Technical data subject to change Version 1.0.0