WG82574IT S LBAC Intel, WG82574IT S LBAC Datasheet - Page 73

• Manufacturer Part Number: WG82574IT S LBAC
• Description: CONTROLLER, ENET, INTEL 82574IT, 64PQFN
• Manufacturer: Intel

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

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
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