WG82574IT S LBAB Intel, WG82574IT S LBAB Datasheet - Page 394
WG82574IT S LBAB
Manufacturer Part Number
WG82574IT S LBAB
Description
Manufacturer
Intel
Datasheet
1.WG82574IT_S_LBAB.pdf
(472 pages)
Specifications of WG82574IT S LBAB
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
64
Lead Free Status / RoHS Status
Compliant
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10.2.11.27 MAC Specific Control Register 2 (Page 2), PHY Address 01; Register 21
10.2.11.28 LED[3:0] Function Control Register (Page 3), PHY Address 01;
394
Register 16
15:14
13:12
11:7
6
5:4
3
2:0
15:12
Bits
Bits
Reserved
Reserved
Reserved
Reserved
Reserved
Block Carrier
Extension Bit
Default MAC
Interface
Speed
LED[3]
Control
Field
Field
R/W
Mode
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Mode
See
Description
HW Rst
0x0
0x1
0x00
0x1
0x0
0x0
0x6
HW Rst
0x0
Update
0x00
Update
Retain
Retain
Update
Retain
SW Rst
SW Rst
82574 GbE Controller—Driver Programing Interface
Reserved, set to 0x0.
Reserved, set to 0x1.
Reserved, set to 0x0.
1b = Enable block carrier extension.
0b = Disable block carrier extension.
Changes to these bits are disruptive to the normal
operation; therefore, any changes to these registers
must be followed by software reset to take effect.
MAC interface speed during link down while auto-
negotiation is enabled and TX_CLK speed bit speed
link down 1000BASE-T.
000b = 10 Mb/s 2.5 MHz 0 MHz.
001b = 100 Mb/s 25 MHz 0 MHz.
01xb = 1000 Mb/s 0 MHz 0 MHz.
100b = 10 Mb/s 2.5 MHz 2.5 MHz.
101b = 100 Mb/s 25 MHz 25 MHz.
110b = 1000 Mb/s 2.5 MHz 2.5 MHz.
111b = 1000 Mb/s 25 MHz 25 MHz.
Reserved, set to 0x1.
Reserved, set to 0x00.
If 16_3.11:10 is set to 11b, then 16_3.15:12 has no
effect.
0000b = Reserved.
0001b = On - link, blink - activity, off - no link.
0010b = On - link, blink - receive, off - no link.
0011b = On - activity, off - no activity
0100b = Blink - activity, off - no activity.
0101b = On - transmit, off - no transmit.
0110b = On - 10 Mb/s or 1000 Mb/s master, off.
Else
0111b = On - full duplex, off - half-duplex.
1000b = Force off.
1001b = Force on.
1010b = Force hi-Z.
1011b = Force blink.
11xxb = Reserved.
After a hardware reset, this bit is a function of
pd_config_led_a[1:0].
00b = 0001b.
01b = 0001b.
10b = 0111b.
11b = 0001b.
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