WG82574IT S LBAC Intel, WG82574IT S LBAC Datasheet - Page 104
WG82574IT S LBAC
Manufacturer Part Number
WG82574IT S LBAC
Description
CONTROLLER, ENET, INTEL 82574IT, 64PQFN
Manufacturer
Intel
Datasheet
1.WG82574IT_S_LBAC.pdf
(490 pages)
Specifications of WG82574IT S LBAC
Ethernet Type
IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Supply Voltage Range
3V To 3.6V
Operating Temperature Range
-40°C To +85°C
Digital Ic Case Style
QFN
No. Of Pins
64
Package / Case
QFN
Interface Type
I2C, JTAG, PCI, SPI
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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6.1.1
6.1.1.1
6.1.1.2
104
15
14
13:12
11
10
9
8
7
6
5
4
3
2
1
0
Bit
Reserved
Reserved
Reserved
FRCSPD
FD
Reserved
Reserved
Reserved
Reserved
Reserved
ILOS
Reserved
Reserved
Load Subsystem
IDs
Load Device ID
Name
Hardware Accessed Words
This section describes the NVM words that are loaded by the 82574 hardware.
Ethernet Address (Words 0x00-0x02)
The Ethernet Individual Address (IA) is a 6-byte field that must be unique for each
Network Interface Card (NIC), and thus unique for each copy of the NVM image. The
first three bytes are vendor specific - for example, the IA is equal to [00 AA 00] or [00
A0 C9] for Intel products. The value from this field is loaded into the Receive Address
Register 0 (RAL0/RAH0).
For the purpose of this specification, the IA byte numbering convention is indicated
below:
Initialization Control Word 1 (Word 0x0A)
Vendor
Intel Original
Intel New
Hardware
0b
0b
00b
1b
1b
1b
0b
0b
1b
1b
0b
1b
0b
1b
1b
Default
0b
0b
00b
0b
0b
1b
0b
0b
1b
1b
0b
1b
0b
1b
1b
NVM Image
1
00
00
Setting
2
AA
A0
Reserved.
Reserved
Reserved.
Force Speed bit setting in the Device Control register (CTRL[11]).
Force Duplex bit setting in the Device Control register (CTRL[0]).
Reserved.
Reserved.
Must be set to 0b (PCIe CB).
Reserved
Reserved.
Loss-of-Signal Polarity bit setting in the Device Control register
(CTRL[7]).
Reserved
Reserved
This bit indicates that the device is to load its PCIe subsystem ID
and subsystem vendor ID from the NVM (words 0x0B and 0x0C).
This bit indicates that the device is to load its PCIe device ID from
the NVM (word 0x0D).
82574 GbE Controller—Non-Volatile Memory (NVM) Map
3
00
C9
IA Byte / Value
4
variable
variable
Description
5
variable
variable
6
variable
variable
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