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| I347-AT4 Datasheet, PDF (52/148 Pages) Intel Corporation – Intel® Ethernet Network Connection I347-AT4 Datasheet | |||
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I347-AT4âDevice Functionality
Table 20.
Segment
1
2
3
4
5
6
7
8
Speed Blink
10 Mb/s
On
Off
Off
Off
Off
Off
Off
Off
100 Mb/s
On
Off
On
Off
Off
Off
Off
Off
1000 Mb/s
On
Off
On
Off
On
Off
Off
Off
No Link
Off
Off
Off
Off
Off
Off
Off
Off
Duration
18_3.1:0
18_3.3:2
18_3.1:0
18_3.3:2
18_3.1:0
18_3.3:2
18_3.1:0
18_3.3:2
Register
18_3.3:2
18_3.1:0
Pin
Pulse Period for
even segments
Pulse Period for
odd segments
00b = 84 ms.
01b = 170 ms.
10b = 340 ms.
11b = 670 ms.
00b = 84 ms.
01b = 170 ms.
10b = 340 ms.
11b = 670 ms.
Definition
3.18.0.3
Manual Override
When 19_3.7:6, 19_3.3:2,16_3.15:14, 16_3.11:10, 16_3.7:6, and 16_3.3:2 are set to
10b the LED[5:0] are manually forced. Registers 19_3.5:4, 19_3.1:0,16_3.13:12,
16_3.9:8, 16_3.5:4, and 16_3.1:0 then select whether the LEDs are to be on, off, Hi-Z,
or blink.
If bi-color LEDs are used, the manual override selects only one of the two colors. In
order to get the third color by mixing, MODE 1 and MODE 2 should be used
(Section 3.18.0.4).
3.18.0.4
MODE 1, MODE 2, MODE 3, MODE 4
MODE 1 to 4 are dual LED modes. These are used to mix a third color using bi-color
LEDs.
When 19_3.3:0,16_3.11:8 or 16_3.3:0 is set to 11xxb then one of the 4 modes are
enabled.
MODE 1 â Solid mixed color.
MODE 2 â Blinking mixed color.
42
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