I347-AT4 Datasheet, PDF (90/148 Pages) Intel Corporation – Intel® Ethernet Network Connection I347-AT4 Datasheet

I347-AT4—Programmer’s Visible State
4.1.18
Copper Specific Receive Error Counter Register - Page 0,
Register 21
Bits
Field
15:0
Receive Error
Count
Mode
RO, LH
HW
Rst
0x0000
SW Rst
Description
Retain
Counter will peg at 0xFFFF and will not roll over.
Both False carrier and symbol errors are reported.
4.1.19 Page Address Register - Any Page, Register 22
Bits
15
14
13:8
7:0
Field
Mode
Ignore
PHYAD[4:2]
Ignore
PHYAD[1:0]
Reserved
Page select for
registers 0 to 28
R/W
R/W
RO
R/W
HW
Rst
0x0
0x0
0x00
0x00
SW Rst
Description
Retain
Retain
0x00
Retain
0 = Use PHYAD[4:2] to decode write commands
1 = Ignore PHYAD[4:2] to decode write commands
0 = Use PHYAD[1:0] to decode write commands
1 = Ignore PHYAD[1:0] to decode write commands
00000000
Page Number
4.1.20 Global Interrupt Status - Page 0, Register 23
Bits
Field
15:4
3:0
Reserved
Port X Interrupt
Mode
RO
RO
HW
Rst
0x000
0x0
SW Rst
Description
0x000
0x0
0
1 = Interrupt active on port X
0 = No interrupt active on port X
4.1.21 Copper Specific Control Register 3 - Page 0, Register 26
Bits
15
14
13
12
Field
1000 BASE-T
Transmitter type
Reserved
Reserved
100 BASE-T
Transmitter type
Mode
R/W
R/W
R/W
R/W
11:10
Gigabit Link
Down Delay
R/W
9
Speed Up Gigabit
Link Down Time
R/W
HW Rst SW Rst
Description
0x0
Retain
0 = Class B
1 = Class A
0x0
Retain
Write 0
0x0
Retain
Write 0
0x0
Retain
0 = Class B
1 = Class A
This register only have effect if register 26_0.9 is set to 1.
00 = 0ms
0x0
Retain
01 = 10 ± 2ms
10 = 20 ± 2ms
11 = 40 ± 2ms
0x0
Retain
1 = Enable faster gigabit link down
0 = Use IEEE gigabit link down
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