WG82574L S LBA9 Intel, WG82574L S LBA9 Datasheet - Page 253
WG82574L S LBA9
Manufacturer Part Number
WG82574L S LBA9
Description
CONTROLLER, ENET, INTEL 82574L, 64PQFN
Manufacturer
Intel
Datasheet
1.WG82574IT_S_LBAC.pdf
(490 pages)
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
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System Manageability—82574 GbE Controller
8.13.5.2
Note:
Note:
Note:
Note:
8.13.6
8.13.7
Network Transmit Enable
This mode controls the state of the transmit path:
The default state is disabled.
The NC filters pass-through packets according to their source MAC address. The NC
tries to match that source MAC address to one of the MAC addresses configured by the
Set MAC Address command. As a result, the MC should enable network transmit only
after configuring the MAC address.
It is recommended that the MC complete all filtering configuration (especially MAC
addresses) before enabling the network transmit.
This feature can be used for fail-over scenarios. See
Asynchronous Event Notifications
The asynchronous event notifications are unsolicited messages sent from the NC to the
MC to report status changes (such as link change, operating system state change,
etc.).
Recommendations:
Querying Active Parameters
The MC can use the Get Parameters command to query the current status of the
operational parameters.
1. Disabled - the channel does not pass any traffic from the MC to the network.
2. Enabled - the channel passes any traffic from the MC (that matched the source
• The MC firmware designer should use AENs. To do so, the designer must take into
• To enable AENs, the MC should first query which AENs are supported, using the Get
MAC address filters) to the network.
account the possibility that a NC-SI response frame (such as a frame with the NC-
SI EtherType), arrives out-of-context (not immediately after a command, but
rather after an out-of-context AEN).
Capabilities command, then enable desired AEN(s) using the Enable AEN
command, and only then enable the channel using the Enable Channel command.
section
8.15.3.
253
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