WG82574L S LBA8 Intel, WG82574L S LBA8 Datasheet - Page 13
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WG82574L S LBA8
Manufacturer Part Number
WG82574L S LBA8
Description
Manufacturer
Intel
Datasheet
1.WG82574L_S_LBA8.pdf
(472 pages)
Specifications of WG82574L S LBA8
Operating Supply Voltage (typ)
3.3V
Operating Temp Range
0C to 85C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
64
Lead Free Status / RoHS Status
Compliant
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Introduction—82574 GbE Controller
1.5
Figure 1.
1.6
1.7
82574 Architecture Block Diagram
Figure 1
82574 Architecture Block Diagram
System Interface
The 82574 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
13
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