I347-AT4 Datasheet, PDF (104/148 Pages) Intel Corporation – Intel® Ethernet Network Connection I347-AT4 Datasheet

I347-AT4—Programmer’s Visible State
Bits
Field
5
C, D Crossover
4
A, B Crossover
Pair 7,8
3
(MDI[3]±)
Polarity
Pair 4,5
2
(MDI[2]±)
Polarity
Pair 3,6
1
(MDI[1]±)
Polarity
Pair 1,2
0
(MDI[0]±)
Polarity
Mode
RO
RO
RO
HW Rst SW Rst
Description
1 = Channel C received on MDI[2]±
0x0
0x0
Channel D received on MDI[3]±
0 = Channel D received on MDI[2]±
Channel C received on MDI[3]±
1 = Channel A received on MDI[0]±
0x0
0x0
Channel B received on MDI[1]±
0 = Channel B received on MDI[0]±
Channel A received on MDI[1]±
0x0
0x0
1 = Negative
0 = Positive
0x0
0x0
1 = Negative
0 = Positive
RO
0x0
0x0
1 = Negative
0 = Positive
RO
0x0
0x0
1 = Negative
0 = Positive
4.1.44 Cable Tester Control - Page 5, Register 23
Bits
15
14
13:11
10:8
Field
Enable Test
Test status
Mode
R/W, SC
RO
Transmitter
Channel Select
R/W
Number of
Sample Averaged
R/W
HW Rst
0x0
0x0
0x0
6
SW Rst
0x0
0x0
0x0
Retain
Description
0 = Disable test
1 = Enable test
This bit will self clear when the test is completed
0 = Test not started/in progress
1 = Test completed
000 - Tx 0 => Rx 0, Tx 1 => Rx 1, Tx 2 => Rx 2, Tx 3 => Rx
3.
100 - Tx 0 => Rx 0, Tx 0 => Rx 1, Tx 0 => Rx 2, Tx 0 => Rx
3.
101 - Tx 1 => Rx 0, Tx 1 => Rx 1, Tx 1 => Rx 2, Tx 1 => Rx
3.
110 - Tx 2 => Rx 0, Tx 2 => Rx 1, Tx 2 => Rx 2, Tx 2 => Rx
3.
111 - Tx 3 => Rx 0, Tx 3 => Rx 1, Tx 3 => Rx 2, Tx 3 => Rx
3.
01x - reserved
0x1 - reserved
0 = 2 samples
1 = 4 samples
2 = 8 samples
3 = 16 samples
4 = 32 samples
5 = 64 samples
6 = 128 samples
7 = 256 samples
94