I347-AT4 Datasheet, PDF (89/148 Pages) Intel Corporation – Intel® Ethernet Network Connection I347-AT4 Datasheet

Programmer’s Visible State—I347-AT4
Bits
4
3
2
1
Field
Mode
Copper Cable
Detect Changed
FLP Exchange
Complete but no
Link
DTE power
detection status
changed
interrupt
RO,LH
RO,LH
RO,LH
Polarity Changed RO,LH
HW
Rst
0x0
0x0
0x0
0x0
0
Jabber
RO,LH
0x0
SW Rst
Description
0x0
1 = Cable Detect state changed
0 = No Cable Detect state change detected
0x0
1 = FLP Exchange Completed but Link Not Established
0 = No Event Detected
0x0
1 = DTE power detection status changed
0 = No DTE power detection status change detected
0x0
1 = Polarity Changed
0 = Polarity not changed
0x0
1 = Jabber
0 = No jabber
4.1.17 Copper Specific Control Register 2 - Page 0, Register 20
Bits
Field
15:7
Reserved
Mode
R/W
HW
Rst
0x000
6
Break Link On
Insufficient IPG
R/W
0x0
100 BASE-T
5
Transmitter
R/W
0x1
Clock Source
Accelerate
4
100BASE-T Link R/W
0x0
Up
Reverse MDIP/
3
N[3] Transmit
R/W
0x0
Polarity
Reverse MDIP/
2
N[2] Transmit
R/W
0x0
Polarity
Reverse MDIP/
1
N[1] Transmit
R/W
0x0
Polarity
Reverse MDIP/
0
N[0] Transmit
R/W
0x0
Polarity
SW Rst
Description
Retain
Retain
Write all 0s
0 = Break link on insufficient IPGs in 10BASE-T and 100BASE-
TX.
1 = Do not break link on insufficient IPGs in 10BASE-T and
100BASE-TX.
Update
1 = Local Clock
0 = Recovered Clock
Retain
0 = No Acceleration
1 = Accelerate
Retain
Retain
Retain
Retain
0 = Normal Transmit Polarity
1 = Reverse Transmit Polarity
0 = Normal Transmit Polarity
1 = Reverse Transmit Polarity
0 = Normal Transmit Polarity
1 = Reverse Transmit Polarity
0 = Normal Transmit Polarity
1 = Reverse Transmit Polarity
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