WG82574IT S LBAC Intel, WG82574IT S LBAC Datasheet - Page 15
WG82574IT S LBAC
Manufacturer Part Number
WG82574IT S LBAC
Description
CONTROLLER, ENET, INTEL 82574IT, 64PQFN
Manufacturer
Intel
Datasheet
1.WG82574IT_S_LBAC.pdf
(490 pages)
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
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Introduction—82574 GbE Controller
1.5
Figure 1.
1.6
1.7
82574L Architecture Block Diagram
Figure 1
82574L Architecture Block Diagram
System Interface
The 82574L provides one PCIe lane operating at 2.5 GHz with sufficient bandwidth to
support 1000 Mb/s transfer rate. 40 KB of on-chip buffering mitigates instantaneous
receive bandwidth demands and eliminates transmit under–runs by buffering the entire
outgoing packet prior to transmission.
Features Summary
This section describes the 82574’s features that were present in previous Intel client
GbE controllers and those features that are new to the 82574.
shows a high-level architecture block diagram for the 82574.
RMII I/F
NC-SI
RMII
Rx/Tx FIFO
SMBus
SMBus
I/F
Transmit
Switch
MAC
PHY
Link
Filter
Rx/Tx FIFO
Rx/Tx DMA
PCIe I/F
PCIe
15
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