WG82574L S LBA8 Intel, WG82574L S LBA8 Datasheet - Page 66

• Manufacturer Part Number: WG82574L S LBA8
• Manufacturer: Intel

Specifications of WG82574L S LBA8

• Operating Supply Voltage (typ): 3.3V
• Operating Temp Range: 0C to 85C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 64
• Lead Free Status / RoHS Status: Compliant

Figure 12.
66
82574 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