WG82574L S LBA9 Intel, WG82574L S LBA9 Datasheet - Page 68

• Manufacturer Part Number: WG82574L S LBA9
• Description: CONTROLLER, ENET, INTEL 82574L, 64PQFN
• Manufacturer: Intel

Specifications of WG82574L S LBA9

• Ethernet Type: IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
• Supply Voltage Range: 3V To 3.6V
• Operating Temperature Range: 0°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

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