LAN9420/LAN9420i Single-Chip Ethernet Controller with HP Auto-MDIX Support and PCI Interface Datasheet PRODUCT FEATURES Promiscuous mode Highlights Inverse filtering Optimized for embedded applications with 32-bit Pass all incoming with status report RISC CPUs Wakeup packet support Integrated descriptor based scatter-gather DMA and Integrated 10/100 Ethernet PHY IRQ deassertion timer effectively increase network Auto-negotiation Automatic polarity detection and correction throughput and reduce CPU loading Supports HP Auto-MDIX Integrated Ethernet MAC with full-duplex support Supports energy-detect power down Integrated 10/100 Ethernet PHY with HP Auto-MDIX Support for 3 status LEDs support Receive and transmit TCP checksum offload 32-bit, 33MHz, PCI 3.0 compliant interface PCI Interface Reduced power operating modes with PCI Power PCI Local Bus Specification Revision 3.0 compliant 32-bit/33-MHz PCI bus Management Specification 1.1 compliance Descriptor based scatter-gather DMA enables zero- Supports multiple audio & video streams over copy drivers Ethernet Comprehensive Power Management Features Supports PCI Bus Power Management Interface Target Applications Specification, Revision 1.1 Cable, satellite, and IP set-top boxes Supports optional wake from D3cold Digital televisions (via configuration strap option when Vaux is available) Wake on LAN Digital video recorders Wake on link status change (energy detect) Home gateways Magic packet wakeup Digital media clients/servers General Purpose I/O Industrial automation systems 3 programmable GPIO pins Industrial/single board PC 2 GPO pins Support for Optional EEPROM Kiosk/POS enterprise equipment Serial interface provided for EEPROM Key Benefits Used to store PCI and MAC address configuration values Integrated High-Performance 10/100 Ethernet Miscellaneous Features Controller Big/Little/Mixed endian support for registers, Fully compliant with IEEE802.3/802.3u descriptors, and buffers Integrated Ethernet MAC and PHY IRQ deassertion timer 10BASE-T and 100BASE-TX support General purpose timer Full- and half-duplex support Full-duplex flow control Single 3.3V Power Supply Preamble generation and removal Integrated 1.8V regulator Automatic 32-bit CRC generation and checking Packaging Automatic payload padding and pad removal Available in 128-pin VTQFP Lead-free RoHS Compliant Loop-back modes package Flexible address filtering modes Environmental One 48-bit perfect address Available in commercial & industrial temperature ranges 64 hash-filtered multicast addresses Pass all multicast SMSC LAN9420/LAN9420i DATASHEET Revision 1.6 (07-18-11) Single-Chip Ethernet Controller with HP Auto-MDIX Support and PCI Interface Datasheet Order Numbers: o LAN9420-NU For 128-PIN VTQFP, Lead-Free RoHS Compliant Package (0 to 70 C) o o LAN9420i-NU For 128-PIN VTQFP, Lead-Free RoHS Compliant Package (-40 to 85 C) This product meets the halogen maximum concentration values per IEC61249-2-21 For RoHS compliance and environmental information, please visit www.smsc.com/rohs 80 ARKAY DRIVE, HAUPPAUGE, NY 11788 (631) 435-6000 or 1 (800) 443-SEMI Copyright 2011 SMSC or its subsidiaries. All rights reserved. Circuit diagrams and other information relating to SMSC products are included as a means of illustrating typical applications. Consequently, complete information sufficient for construction purposes is not necessarily given. Although the information has been checked and is believed to be accurate, no responsibility is assumed for inaccuracies. SMSC reserves the right to make changes to specifications and product descriptions at any time without notice. Contact your local SMSC sales office to obtain the latest specifications before placing your product order. The provision of this information does not convey to the purchaser of the described semiconductor devices any licenses under any patent rights or other intellectual property rights of SMSC or others. All sales are expressly conditional on your agreement to the terms and conditions of the most recently dated version of SMSC s standard Terms of Sale Agreement dated before the date of your order (theTerms of Sale Agreemen). The product may contain design defects or errors known as anomalies which may cause the product s functions to deviate from published specifications. Anomaly sheets are available upon request. SMSC products are not designed, intended, authorized or warranted for use in any life support or other application where product failure could cause or contribute to personal injury or severe property damage. Any and all such uses without prior written approval of an Officer of SMSC and further testing and/or modification will be fully at the risk of the customer. Copies of this document or other SMSC literature, as well as the Terms of Sale Agreement, may be obtained by visiting SMSCs website at