rtl8100l Realtek Semiconductor Corporation, rtl8100l Datasheet - Page 28

• Manufacturer Part Number: rtl8100l
• Description: Fast Ethernet Controller
• Manufacturer: Realtek Semiconductor Corporation

5.21 Auto-Negotiation Link Partner Ability Register
(Offset 0068h-0069h, R)
This register contains the advertised abilities of the Link Partner as received during Auto-negotiation. The content changes after
the successful Auto-negotiation if Next-pages are supported.
5.22 Auto-Negotiation Expansion Register
(Offset 006Ah-006Bh, R)
This register contains additional status for NWay auto-negotiation.
2001-11-9
12-11
15-5
4-0
Bit
Bit
15
14
13
10
9
8
7
6
5
4
3
2
1
0
LP_NW_ABLE
LP_NP_ABLE
PAGE_RX
NP_ABLE
Selector
TXFD
Name
Pause
Name
10FD
ACK
MLF
TX
NP
RF
T4
10
-
-
Next Page bit.
1 = transmitting the protocol specific data page;
0 = transmitting the primary capability data page
1 = link partner acknowledges reception of local node’s capability
data word.
1 = link partner is indicating a remote fault.
Reserved
1 = Flow control is supported by link partner ,
0 = Flow control is not supported by link partner.
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 is 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. These bits are always set to 0.
Status indicating if a multiple link fault has occurred.
1 = fault occurred; 0 = no fault occurred.
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.
Description/Usage
Description/Usage
28
Default/Attribute
Default/Attribute
RTL8100B(L)
<00000>, RO
0, RO
0, RO
0, RO
0, RO
0, RO
0, RO
0, RO
0, RO
0, RO
0, RO
0, RO
0, RO
0, RO
0, RO
-
-
Rev.1.41