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82551IT Datasheet, PDF (1/102 Pages) Intel Corporation – Fast Ethernet PCI Controller | |||
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82551IT Fast Ethernet PCI
Controller
Networking Silicon - 82551IT
Product Features
Datasheet
ï® Enhanced IP Protocol Support
â TCP, UDP, IPv4 checksum offload
â Received checksum verification
ï® Quality of Service (QoS)
â Multiple priority transmit queues
ï® Optimum Integration for Lowest Cost Solution
â Integrated IEEE 802.3 10BASE-T and
100BASE-TX compatible PHY
â 32-bit PCI master interface
â Thin BGA 15mm2 package
ï® Integrated power management functions
â ACPI and PCI power management standards
compliance
â Wake on âinterestingâ packets and link status
change support
ï® PHY detects polarity, MDI-X, and cable lengths.
Auto MDI, MDI-X crossover at all speeds
ï® XOR tree mode support
ï® High Performance Networking Functions
â Early release
â 8255x controller family chained memory
structure
â Improved dynamic transmit chaining with
multiple priorities transmit queues
â Full pin compatibility with the 82559 and
82559ER controllers
â Backward compatible software to 8255xER
controllers
â Full duplex support at 10 and 100 Mbps
â IEEE 802.3u auto-negotiation support
â 3 KB transmit and receive FIFOs
â Fast back-to-back transmission support with
minimum interframe spacing
â IEEE 802.3x 100BASE-TX flow control
support
â Adaptive Technology
ï® Low Power Features
â Advanced Power Management (APM)
capabilities
â Low power 3.3 V device
â Efficient dynamic standby mode
â Deep power-down support
â Clockrun protocol support
ï® 82551IT Enhancements
â Wider operating temperature range
â Improved bit error rate performance
â HWI support
â Deep power-down state power reduction
ï® Lead-free1 196-pin Ball Grid Array (BGA).
Devices that are lead-free are marked with a
circled âe1â and have the product code:
LUxxxxxx.
1 This device is lead-free. That is, lead has not been intentionally added, but lead may still exist as an
impurity at <1000 ppm. The Material Declaration Data Sheet, which includes lead impurity levels and the
concentration of other Restriction on Hazardous Substances (RoHS)-banned materials, is available at:
ftp://download.intel.com/design/packtech/material_content_IC_Package.pdf#pagemode=bookmarks
In addition, this device has been tested and conforms to the same parametric specifications as previous
versions of the device.
For more information regarding lead-free products from Intel Corporation, contact your Intel Field Sales
representative.
317801-004
Revision 4.1
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