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參數(shù)資料
| 型號： | ICSXXXXY |
| 英文描述： | Auto-Negotiation Advertisement Register (register 4 [0x04]) |
| 中文描述： | 自動談判廣告登記（注冊4 [0x04]） |
| 文件頁數(shù)： | 28/66頁 |
| 文件大?。?/td> | 1725K |
| 代理商： | ICSXXXXY |
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28
ICS1890
Auto-Negotiation Expansion Register (register 6
[0x06]
)
Auto-Negotiation Expansion Register
(register 6)
The Auto-Negotiation expansion register is a 16-bit read-only
register used to indicate the status of the auto-negotiation
process. It is accessed via the management interface of the
MII.
Reserved (bits 15:5)
These bits are reserved. The contents are permanently set to
logic zeros.
Parallel Detection Fault (bit 4)
If set to a logic one, this bit indicates that a parallel detection
fault has been detected. This means that more than one of the
allowed technologies has detected a valid link.
Link Partner Next Page Able (bit 3)
If set to a logic one, this bit indicates that the link partner is
capable of operating in the next page mode.
Next Page Able (bit 2)
This bit is permanently set to a logic zero indicating that the
ICS1890
is not able to operate in the next page mode.
Page Received (bit 1)
If set to a logic one, this bit indicates that three identical and
consecutive link code words have been received from the link
partner.
Link Partner Auto-Negotiation Able (bit 0)
If set to a logic one, this bit indicates that the link partner is
able to participate in the auto-negotiation process. If set to a
logic zero, it is not able to participate in the auto-negotiation
process.
Bit
15
14
13
12
11
10
9
8
7
6
5
Definition
When bit=0
When bit=1
Access
CW
CW
CW
CW
CW
CW
CW
CW
CW
CW
CW
RO
/LH
Default
0
0
0
0
0
0
0
0
0
0
0
Hex
Reserved by IEEE
Reserved by IEEE
Reserved by IEEE
Reserved by IEEE
Reserved by IEEE
Reserved by IEEE
Reserved by IEEE
Reserved by IEEE
Reserved by IEEE
Reserved by IEEE
Reserved by IEEE
always 0
always 0
always 0
always 0
always 0
always 0
always 0
always 0
always 0
always 0
always 0
0
0
0
4
Parallel Detection Fault
no fault
more than one technology
appeared valid
link partner is Next Page
Able
0
3
Link Partner Next Page Able
link partner is not Next
Page Able
always 0 - next page not
supported
new link code word not
received
RO
0
0
2
Next Page Able
RO
0
1
Page Received
new link code word
received
link partner support Auto-
Negotiation
RO
/LH
0
0
Link Partner is Auto-
Negotiation Able
link partner not able
RO
0
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