SC92031L SILAN [Silan Microelectronics Joint-stock], SC92031L Datasheet - Page 17

• Manufacturer Part Number: SC92031L
• Description: 10/100 MBPS INTEGRATED PCI ETHERNET MEDIA ACCESS CONTROLLER AND PHYSICAL LAYER
• Manufacturer: SILAN [Silan Microelectronics Joint-stock]

Auto-Negotiation Link Partner Ability Register (Offset 05, R)
content changes after the successful Auto-negotiation if Next-pages are supported.
Auto-negotiation Expansion Register (Offset 06, R)
This register contains additional status for Nway auto-negotiation.
Disconnect Counter (Offset 10, R)
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
15 4
12-10
15 0
This register contains the advertised abilities of the Link Partner as received during Auto-negotiation. The
4-0
Bit
Bit
Bit
15
14
13
9
8
7
6
5
3
2
1
0
R/W
R/W
R/W
R
R
R
R
R
R
R
R
R
R
R
R
R
R
-
-
-
NP
ACK
RF
T4
TXFD
TX
10FD
10
Selector
--
LP_NP_ABLE
NP_ABLE
PAGE _RX
LP_NW_ABLE
DCNT
Name
Name
Name
Reserved
Next Page bit.
1 = transmitting the protocol specific data page;
0 = transmitting the primary capability data page.
1 = link partner acknowledge reception of local node’ s capability data
word.
1 = link partner is indicating a remote fault.
1 = 100Base-T4 is supported by link partner;
0 = 100Base-T4 not supported by link partner.
1 = 100Base-TX full duplex is supported by link partner;
0 = 100Base-TX full duplex not supported by link partner.
1 = 100Base-TX is supported by link partner;
0 = 100Base-TX not supported by link partner.
1 = 10Base-T full duplex supported by link partner;
0 = 10Base-T full duplex not supported by link partner.
1 = 10Base-T is supported by link partner;
0 = 10Base-T not supported by link partner;
Link Partner’ s binary encoded node selector. Currently only
CSMA/CD<00001> is specified.
Reserved, This bit is always set to 0.
Status indicating if the link partner supports Next Page negotiation. 1 =
supported; 0 = not supported.
This bit indicates if the local node is able to send additional Next
Pages.
This bit is set when a new Link Code Word Page has been received.
The bit is automatically cleared when the auto-negotiation link partner’ s
ability register (register 5) is read by management.
1 = link partner supports NWay auto-negotiation.
This 16-bit counter increments by 1 for every disconnect event. It rolls
over when becomes full. It is cleared to zero by read command.
Description/Usage
Description/Usage
Description/Usage
REV:1.0
SC92031
Page 17 of 38
2004.08.03