WG82574L S LBA9 Intel, WG82574L S LBA9 Datasheet - Page 61
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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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Interconnects—82574 GbE Controller
Figure 8.
3.5.1
3.5.2
NC-SI Interface
Interface Specification
The 82574L NC-SI interface meets the RMII Specification, Rev. 1.2 as a PHY-side
device.
The following NC-SI capabilities are not supported by the 82574:
Electrical Characteristics
The 82574L complies with the electrical characteristics defined in the RMII
specification. However, the 82574 is not 5 V dc tolerance and requires that signals
conform to 3.3 V dc signaling.
The 82574L dynamically drives its NC-SI output signals (NC-SI_DV and NC-SI_RX) as
required by the sideband protocol:
• Collision Detection - The interface supports only full-duplex operation.
• MDIO - MDIO/MDC management traffic is not passed on NC-SI.
• Magic packets - Magic packets are not detected at the 82574 NC-SI receive end.
• Flow-control - The 82574L doesn't support flow control on this interface.
• At power up, the 82574 floats the NC-SI outputs.
• The 82574L drives the NC-SI outputs as configured by the MC by the Select
Package and Deselect Package commands.
MC
MAC - MEDIA ACCESS CONTROL
LLC - LOGICAL LINK CONTROL
RECONCILIATION
NC-SI
82574L
MAC - MEDIA ACCESS CONTROL
RECONCILIATION
MDI
GMII
MAC - MEDIA ACCESS CONTROL
RECONCILIATION
PCS
PMA
PMD
MEDIUM
61
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