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I347-AT4 Datasheet, PDF (97/148 Pages) Intel Corporation – Intel® Ethernet Network Connection I347-AT4 Datasheet
Programmer’s Visible State—I347-AT4
4.1.34 LED[3:0] Polarity Control Register - Page 3, Register 17
Bits
Field
15:12
LED[5], LED[3],
LED[1] mix
percentage
11:8
LED[4], LED[2],
LED[0] mix
percentage
7:6
LED[3] Polarity
5:4
LED[2] Polarity
3:2
LED[1] Polarity
1:0
LED[0] Polarity
Mode
R/W
R/W
R/W
R/W
R/W
R/W
HW Rst SW Rst
Description
When using 2 terminal bi-color LEDs the mixing percentage
should not be set greater than 50%.
0000 = 0%
0x8
Retain
0001 = 12.5%
...
0111 = 87.5%
1000 = 100%
1001 to 1111 = Reserved
When using 2 terminal bi-color LEDs the mixing percentage
should not be set greater than 50%.
0000 = 0%
0x8
Retain
0001 = 12.5%
...
0111 = 87.5%
1000 = 100%
1001 to 1111 = Reserved
00 = On - drive LED[3] low, Off - drive LED[3] high
0x0
Retain
01 = On - drive LED[3] high, Off - drive LED[3] low
10 = On - drive LED[3] low, Off - tristate LED[3]
11 = On - drive LED[3] high, Off - tristate LED[3]
00 = On - drive LED[2] low, Off - drive LED[2] high
0x0
Retain
01 = On - drive LED[2] high, Off - drive LED[2] low
10 = On - drive LED[2] low, Off - tristate LED[2]
11 = On - drive LED[2] high, Off - tristate LED[2]
00 = On - drive LED[1] low, Off - drive LED[1] high
0x0
Retain
01 = On - drive LED[1] high, Off - drive LED[1] low
10 = On - drive LED[1] low, Off - tristate LED[1]
11 = On - drive LED[1] high, Off - tristate LED[1]
00 = On - drive LED[0] low, Off - drive LED[0] high
0x0
Retain
01 = On - drive LED[0] high, Off - drive LED[0] low
10 = On - drive LED[0] low, Off - tristate LED[0]
11 = On - drive LED[0] high, Off - tristate LED[0]
4.1.35 LED Timer Control Register - Page 3, Register 18
Bits
Field
15
Force INTn
14:12
Pulse Stretch
Duration
11
Reserved
Mode
R/W
R/W
R/W
HW Rst SW Rst
Description
0x0
Retain
1 = Interrupt pin forced to be asserted
0 = Normal Operation
000 = no pulse stretching
001 = 21 ms to 42 ms
010 = 42 ms to 84 ms
0x4
Retain
011 = 84 ms to 170 ms
100 = 170 ms to 340 ms
101 = 340 ms to 670 ms
110 = 670 ms to 1.3 s
111 = 1.3 s to 2.7 s
0x1
Retain
Must be set to 1.
87