WG82574IT S LBAC Intel, WG82574IT S LBAC Datasheet - Page 73
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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Initialization—82574 GbE Controller
4.4
4.4.1
Figure 17.
Global Reset (PE_RST_N, PCIe In-Band Reset)
Reset Sequence
Figure 17
de-assertion or PCIe in-band reset) and until the device is ready to accept host
commands.
82574L Global Reset - NVM Load
and
Check valid Shadow and
Load base area (0x00-
0x40) from Shadow
Set EEC.Auto_RD
~0.0032
Figure 18
~0
signature
RAM
Flash
show the 82574's sequence following global reset (PE_RST_N
2
Reset (PE_RST_# de-
PHY is powered down
assertion or in-band)
Determine NVM type
82574 set to default
NVMT strapping is
Set EEC.Auto_RD
~0
~0
0
sampled
values
A
No NVM
Detect Address length of
Load base area (0x00-
0x40) from EEPROM
EEPROM
1B or 2B based on
Set EEC.Auto_RD
~1.28
~0
signature
3
73
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