RTL8101L
2003-05-28
Rev.1.3
27
5.22 Auto-negotiation Expansion Register
(Offset 006Ah-006Bh, R)
This register contains additional status for NWay auto-negotiation.
Bit
Name
Description/Usage
Default/Attribute
15-5
-
Reserved. These bits are always set to 0.
-
4
MLF
Status indicating if a multiple link fault has occurred.
1 = fault occurred; 0 = no fault occurred.
0, RO
3
LP_NP_ABLE
Status indicating if the link partner supports Next Page negotiation.
1 = supported; 0 = not supported.
0, RO
2
NP_ABLE
This bit indicates if the local node is able to send additional Next
Pages.
0, RO
1
PAGE_RX
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.
0, RO
0
LP_NW_ABLE
1 = link partner supports NWay auto-negotiation.
0, RO
5.23 Disconnect Counter
(Offset 006Ch-006Dh, R)
Bit
Name
Description/Usage
Default/Attribute
15-0
DCNT
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.
h'[0000],
R
5.24 False Carrier Sense Counter
(Offset 006Eh-006Fh, R)
Bit
Name
Description/Usage
Default/Attribute
15-0
FCSCNT
This 16-bit counter increments by 1 for each false carrier event. It is
cleared to zero by read command.
h'[0000],
R
5.25 NWay Test Register
(Offset 0070h-0071h, R/W)
Bit
Name
Description/Usage
Default/Attribute
15-8
-
Reserved
-
7
NWLPBK
1 = set NWay to loopback mode.
0, RW
6-4
-
Reserved
-
3
ENNWLE
1 = LED0 Pin indicates linkpulse
0, RW
2
FLAGABD
1 = Auto-neg experienced ability detect state
0, RO
1
FLAGPDF
1 = Auto-neg experienced parallel detection fault state
0, RO
0
FLAGLSC
1 = Auto-neg experienced link status check state
0, RO
5.26 RX_ER Counter
(Offset 0072h-0073h, R)
Bit
Name
Description/Usage
Default/Attribute
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