I347-AT4 Datasheet, PDF (91/148 Pages) Intel Corporation – Intel® Ethernet Network Connection I347-AT4 Datasheet

Programmer’s Visible State—I347-AT4
Bits
8
7:4
Field
DTE detect
enable
DTE detect
status drop
hysteresis
3:2
100 MB test
select
1
10 BT polarity
force
0
Reserved
Mode
R/W
R/W
R/W
R/W
R/W
HW Rst SW Rst
Description
0x0
Update
1 = Enable DTE detection
0 = Disable DTE detection
0000: report immediately
0x4
Retain
0001: report 5s after DTE power status drop
...
1111: report 75s after DTE power status drop
0x = Normal Operation
0x0
Retain
10 = Select 112 ns sequence
11 = Select 16 ns sequence
0x0
Retain
1 = Force negative polarity for Receive only
0 = Normal Operation
0x0
Retain
Set to 0
4.1.22 PHY Identifier Register - Page 1, Register
Bits
15:0
Field
Organizationally
Unique
Identifier Bit
3:18
Mode
RO
HW Rst SW Rst
Description
0x0141
0x0141
OUI is 0x005043
0000 0000 0101 0000 0100 0011
^
^
bit 1....................................bit 24
Register 2.[15:0] show bits 3 to 18 of the OUI.
0000000101000001
^
^
bit 3...................bit18
4.1.23 PHY Identifier Register - Page 1, Register 3
Bits
Field
Mode
15:10 OUI LSb
RO
9:4
Model
Number
RO
3:0
Revision Number RO
HW Rst SW Rst
Description
Always
000011
0x00
Always
011100
Always
0000
0x00
0x0
Organizationally Unique Identifier bits 19:24
000011
^.........^
bit 19...bit24
Model Number
011100
Rev Number = 0000
4.1.24 Extended Status Register - Page 1, Register 15
Bits
Field
15
1000BASE-X
Full-Duplex
Mode
RO
HW Rst SW Rst
Description
See
Descr
See
Descr
If register 16_1.1:0 (MODE[1:0]) = 00 then this bit is 0, else
this bit is 1.
1 = 1000BASE-X full-duplex capable
0 = Not 1000BASE-X full-duplex capable
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