Fast Ethernet 10/100 Quad Transceivers — LXT974/LXT975
Table 45. Status Register (Address 1)
Bit
1.15
Name
100BASE-T4
Description
Type 1
Default
Not supported.
RO
0
100BASE-X
Full-Duplex
1.14
1.13
1.12
1.11
1.10
1 = Port able to perform full-duplex 100BASE-X.
1 = Port able to perform half-duplex 100BASE-X.
1 = Port able to operate at 10 Mbps in full-duplex mode.
1 = Port able to operate at 10 Mbps in half-duplex mode.
Not supported.
RO
RO
RO
RO
RO
1
1
1
1
0
100BASE-X
Half-Duplex
10 Mbps
Full- Duplex
10 Mbps
Half-Duplex
100BASE-T2
Full-Duplex
100BASE-T2
Half-Duplex
1.9
1.8
1.7
Not supported.
Ignore on read.
Not supported.
RO
RO
RO
0
0
0
Reserved
Master-Slave
Configuration Fault
MF Preamble
Suppression
0 = Port will not accept management frames with preamble
suppressed.
1.6
1.5
1.4
1.3
1.2
1.1
1.0
RO
RO
0
0
0
1
0
0
1
Auto-Negotiation
Complete
1 = Auto-negotiation process complete.
0 = Auto-negotiation process not complete.
1 = Remote fault condition detected.
0 = No remote fault condition detected.
Remote Fault
RO/LH
RO
Auto-Negotiation
Ability
1 = Port is able to perform auto-negotiation.
1 = Link is up.
0 = Link is down.
Link Status
RO/LL
RO/LH
RO
Jabber Detect
(10BASE-T Only)
1 = Jabber condition detected.
0 = No jabber condition detected.
Extended
Capability
1 = Extended register capabilities.
1. RO = Read Only
LL = Latching Low
LH = Latching High
Datasheet
65
INTEL [ INTEL ]
