WG82574L S LBA9 Intel, WG82574L S LBA9 Datasheet - Page 242
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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Note:
Note:
Note:
8.11.3.2
Figure 54.
242
The only exception to the command-response flow is the Asynchronous Event
Notification (AEN). These control frames are sent unsolicited from the NC to the MC.
AEN functionality by the NC must be disabled by default, until activated by the MC
using the Enable AEN commands.
In order to be considered a valid command, the control frame must:
For example, to target a NC channel with package ID of 0x2 and internal channel ID of
0x5, The MC must set the channel ID inside the control frame to 0x45.
Channel ID is composed of three bits of package ID and five bits of internal channel ID.
There are also commands (such as select package) targeted to the package as a whole.
These commands must use an internal channel ID of 0x1F.
For more details, refer to the NC-SI specification.
NC-SI Frames Receive Flow
Figure 54
NC-SI Frames Receive Flow for the NC
1. Comply with the NC-SI header format.
2. Be targeted to a valid channel in the package via the Package ID and Channel ID
3. Contain a correct payload checksum (if used).
4. Meet any other condition defined by NC-SI.
fields.
shows the overall flow for frames received on the NC from the MC.
Process as NC-SI Control Frame
Send to LAN with matching
configured MAC address
Yes
Yes
82574 GbE Controller—System Manageability
previously configured MAC
Drop frame (belongs to a
Source MAC address ==
NC-SI EtherType?
different Package)
received from MC
EtherType ==
NC-SI frame
address?
No
No
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