LAN91C100FD REV. D FEAST Fast Ethernet Controller with Full Duplex Capability Datasheet Product Features Dual Speed CSMA/CD Engine (10 Mbps and 100 Built-In Transparent Arbitration for Slave Mbps) Sequential Access Architecture Compliant with IEEE 802.3 100BASE-T Flat MMU Architecture with Symmetric Specification Transmit and Receive Structures and Queues Supports 100BASE-TX, 100BASE-T4, and 10BASE-T Physical Interfaces MII (Media Independent Interface) Compliant MAC-PHY Interface Running at Nibble Rate 32 Bit Wide Data Path (into Packet Buffer Memory) MII Management Serial Interface Support for 32 and 16 Bit Buses Seven Wire Interface to 10 Mbps ENDEC Support for 32, 16 and 8 Bit CPU Accesses EEPROM-Based Setup Synchronous, Asynchronous and Burst DMA Full Duplex Capability Interface Mode Options 128 Kbyte External Memory ORDER NUMBER(S): LAN91C100-FD for 208-pin QFP package LAN91C100-FD-SS for 208-pin QFP lead-free RoHS compliant package LAN91C100-FD for 208-pin TQFP package LAN91C100-FD-ST for 208-pin TQFP lead-free RoHS compliant package SMSC LAN91C100FD Rev. D Page 1 Revision 1.0 (09-22-08) DATASHEET FEAST Fast Ethernet Controller with Full Duplex Capability 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