WG82574IT S LBAC Intel, WG82574IT S LBAC Datasheet - Page 107

• 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

Non-Volatile Memory (NVM) Map—82574 GbE Controller
6.1.1.8
6.1.1.9
6.1.1.10
15:8
7:1
0
15:8
7
6
5
4
3:2
1:0
15:13
12
11:0
Bit
Bit
Bit
Reserved
Reserved
Reserved
SIGN
Reserved
Reserved
Reserved
Reserved
SECSIZE
Reserved
FSECER
Reserved
RAM_PWR_
SAVE_EN
Name
Name
Name
NVM Protected Word 1 - NVP1 (Word 0x11)
NVM Protected Word 2 - NVP2 (Word 0x12)
Extended Configuration Word 1 (Word 0x14)
0x20
0x00
1b
Hardware
Default
100b
0b
0x0
0x7E
0b
0b
0b
0b
01b
0b
Hardware
Hardware
Default
Default
0x20
0x00
1b
Setting
Image
NVM
000b
1b
0x0
0x7E
0b
1b
1b
1b
11b
0b
Setting
Setting
Image
Image
NVM
NVM
Defines the instruction code for the block erase used by the 82574. The
erase block size is defined by the SECSIZE field in address 0x12.
Reserved
When set to 1b, enables reducing power consumption by clock gating the
82574 RAMs.
Signature
The 8-bit Signature field indicates to the device that there is a valid
NVM present. If the Signature field does not equal 0x7E then the
default values are used for the device configuration.
Reserved
Reserved
Reserved
Reserved
The SECSIZE defines the Flash sector erase size as follows:
00b = 256 bytes.
01b = 4 KB.
10b = Reserved.
11b = Reserved.
Reserved
Reserved
Reserved
Reserved
Description
Description
Description
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