LAN9221/LAN9221i High-Performance 16-bit Non-PCI 10/100 Ethernet Controller with Variable Voltage I/O Datasheet PRODUCT FEATURES Single chip Ethernet controller Highlights Fully compliant with IEEE 802.3/802.3u standards Optimized for high performance applications Integrated Ethernet MAC and PHY Efficient architecture with low CPU overhead 10BASE-T and 100BASE-TX support Easily interfaces to most 16-bit embedded CPUs Full- and Half-duplex support Full-duplex flow control 1.8V to 3.3V variable voltage I/O accommodates wide Backpressure for half-duplex flow control range of I/O signalling without voltage level shifters Preamble generation and removal Integrated PHY with HP Auto-MDIX support Automatic 32-bit CRC generation and checking Integrated checksum offload engine helps reduce Automatic payload padding and pad removal Loop-back modes CPU load Flexible address filtering modes Low pin count and small body size package for small One 48-bit perfect address form factor system designs 64 hash-filtered multicast addresses Pass all multicast Target Applications Promiscuous mode Cable, satellite, and IP set-top boxes Inverse filtering Digital video recorders and DVD recorder/players Pass all incoming with status report Disable reception of broadcast packets Digital TV Integrated 10/100 Ethernet PHY Digital media clients/servers and home gateways Supports HP Auto-MDIX Video-over IP solutions, IP PBX & video phones Auto-negotiation Wireless routers & access points Supports energy-detect power down High-end audio distribution systems Host bus interface Simple, SRAM-like interface Key Benefits 16-bit data bus 16Kbyte FIFO with flexible TX/RX allocation Non-PCI Ethernet controller for high performance One configurable host interrupt applications 16-bit interface with fast bus cycle times Miscellaneous features Burst-mode read support Small form factor, 56-pin QFN lead-free RoHS Compliant package Minimizes dropped packets Integrated 1.8V regulator Internal buffer memory can store over 200 packets Integrated checksum offload engine Automatic PAUSE and back-pressure flow control Mixed endian support Minimizes CPU overhead General Purpose Timer Supports Slave-DMA Optional EEPROM interface Interrupt Pin with Programmable Hold-off timer Support for 3 status LEDs multiplexed with Reduces system cost and increases design flexibility Programmable GPIO signals SRAM-like interface easily interfaces to most Single 3.3V Power Supply with Variable Voltage I/O embedded CPUs or SoCs Commercial and Industrial Temperature Support Reduced Power Modes Numerous power management modes Wake on LAN Magic packet wakeup Wakeup indicator event signal Link Status Change SMSC LAN9221/LAN9221i DATASHEET Revision 2.6 (12-04-08) High-Performance 16-bit Non-PCI 10/100 Ethernet Controller with Variable Voltage I/O Datasheet ORDER NUMBER(S): LAN9221-ABZJ FOR 56-PIN, QFN LEAD-FREE ROHS COMPLIANT PACKAGE (0 TO +70C TEMP RANGE) LAN9221i-ABZJ FOR 56-PIN, QFN LEAD-FREE ROHS COMPLIANT PACKAGE (-40 TO +85C TEMP RANGE) 80 ARKAY DRIVE, HAUPPAUGE, NY 11788 (631) 435-6000, FAX (631) 273-3123 Copyright 2008 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