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LAN9420i-NU Datasheet(PDF) 1 Page - SMSC Corporation |
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LAN9420i-NU Datasheet(HTML) 1 Page - SMSC Corporation |
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1 / 171 page  SMSC LAN9420/LAN9420i DATASHEET Revision 1.6 (07-18-11) Datasheet PRODUCT FEATURES LAN9420/LAN9420i Single-Chip Ethernet Controller with HP Auto-MDIX Support and PCI Interface Highlights Optimized for embedded applications with 32-bit RISC CPUs Integrated descriptor based scatter-gather DMA and IRQ deassertion timer effectively increase network throughput and reduce CPU loading Integrated Ethernet MAC with full-duplex support Integrated 10/100 Ethernet PHY with HP Auto-MDIX support 32-bit, 33MHz, PCI 3.0 compliant interface Reduced power operating modes with PCI Power Management Specification 1.1 compliance Supports multiple audio & video streams over Ethernet Target Applications Cable, satellite, and IP set-top boxes Digital televisions Digital video recorders Home gateways Digital media clients/servers Industrial automation systems Industrial/single board PC Kiosk/POS enterprise equipment Key Benefits Integrated High-Performance 10/100 Ethernet Controller — Fully compliant with IEEE802.3/802.3u — Integrated Ethernet MAC and PHY — 10BASE-T and 100BASE-TX support — Full- and half-duplex support — Full-duplex flow control — Preamble generation and removal — Automatic 32-bit CRC generation and checking — Automatic payload padding and pad removal — Loop-back modes — Flexible address filtering modes – One 48-bit perfect address – 64 hash-filtered multicast addresses – Pass all multicast – Promiscuous mode – Inverse filtering – Pass all incoming with status report — Wakeup packet support — Integrated 10/100 Ethernet PHY – Auto-negotiation – Automatic polarity detection and correction – Supports HP Auto-MDIX – Supports energy-detect power down — Support for 3 status LEDs — Receive and transmit TCP checksum offload PCI Interface — PCI Local Bus Specification Revision 3.0 compliant — 32-bit/33-MHz PCI bus — Descriptor based scatter-gather DMA enables zero- copy drivers Comprehensive Power Management Features — Supports PCI Bus Power Management Interface Specification, Revision 1.1 — Supports optional wake from D3cold (via configuration strap option when Vaux is available) — Wake on LAN — Wake on link status change (energy detect) — Magic packet wakeup General Purpose I/O — 3 programmable GPIO pins — 2 GPO pins Support for Optional EEPROM — Serial interface provided for EEPROM — Used to store PCI and MAC address configuration values Miscellaneous Features — Big/Little/Mixed endian support for registers, descriptors, and buffers — IRQ deassertion timer — General purpose timer Single 3.3V Power Supply — Integrated 1.8V regulator Packaging — Available in 128-pin VTQFP Lead-free RoHS Compliant package Environmental — Available in commercial & industrial temperature ranges |
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