WG82574IT S LBAC Intel, WG82574IT S LBAC Datasheet - Page 68
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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Figure 12.
68
82574L Initialization - EEPROM Load
Each word is read separately using a 5-byte command (1 byte instruction, 2 byte
address, and 2 byte data). Total time at 2 Mb/s is 64 words x 5 bytes x 8 bits/2 Mb/s =
1.28 ms. The rate is 20 s per word.
82574 set to default
Set EEC.Auto_RD
0
values
signature
Bad
Detect Address length of
1B or 2B based on
~0
signature
C
B
82574 GbE Controller—Initialization
Load base area (0x00-
signature
0x40) from EEPROM
Good
Set EEC.Auto_RD
~1.28
3
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