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82572EI Schematic ( PDF Datasheet ) - Intel Corporation

Teilenummer 82572EI
Beschreibung (82571EB / 82572EI Gigabit Ethernet Controller
Hersteller Intel Corporation
Logo Intel Corporation Logo 




Gesamt 30 Seiten
82572EI Datasheet, Funktion
www.DataSheet4U.com
82571EB/82572EI Gigabit Ethernet
Controller
Networking Silicon
Product Datasheet
Revision 1.2
August 2006






82572EI Datasheet, Funktion
82571EB/82572 Gigabit Ethernet Controller
Note: This page is intentionally left blank
vi Product Datasheet

6 Page









82572EI pdf, datenblatt
82571EB/82572 Gigabit Ethernet Controller
2.3 PHY Specific Features
2.4
Features
Integrated PHY for 10/100/1000 Mbps operation
IEEE 802.3ab Auto-Negotiation support
IEEE 802.3ab PHY compliance and compatibility
State-of-the-art DSP architecture implements digital
adaptive equalization, echo cancellation, and cross-talk
cancellation
PHY cable correction and diagnostics
• Low-Power Link-Up (LPLU)
• Smart Speed
• Smart Power-Down
Benefits
• Smaller footprint and lower power dissipation
compared to multi-chip MAC and PHY solutions
• Automatic link configuration including speed, duplex,
and flow control
• Robust operation over the installed base of Category-5
(CAT-5) twisted pair cabling
• Robust performance in noisy environments
• Tolerance of common electrical signal impairments
• Improved end-user troubleshooting
• Tolerance of common wiring faults
• Enables link in low-power mode
• Reacts to various link speeds
Host Offloading Features
Features
Transmit and receive IP, TCP and UDP checksum off-
loading capabilities
Transmit TCP segmentation
IPv6 Offloading
Advanced packet filtering
IEEE 802.1q VLAN support with VLAN tag insertion,
stripping and packet filtering for up to 4096 VLAN tags
Descriptor ring management hardware for transmit and
receive
9 kB jumbo frame support
Benefits
• Lower CPU utilization
• Increased throughput and lower CPU utilization
• Large send offload feature (in Microsoft* Windows*
XP) compatible
• Checksum and segmentation capability extended to
new standard packet type
• 16 exact matched packets (unicast or multicast)
• 4096-bit hash filter for multicast frames
• Promiscuous (unicast and multicast) transfer mode
support
• Optional filtering of invalid frames
• Ability to create multiple virtual LAN segments
• Optimized fetching and write-back mechanisms for
efficient system memory and PCI bandwidth usage
• High throughput for large data transfers on networks
supporting jumbo frames
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