LAN91C93I Non-PCI Single-Chip Full Duplex Ethernet Controller Datasheet Product Features Non-PCI Single-Chip Ethernet Controller Dynamic Memory Allocation Between Transmit and Receive Fully Supports Full Duplex Switched Ethernet Flat Memory Structure for Low CPU Overhead Supports Enhanced Transmit Queue Management Buffered Architecture, Insensitive to Bus Latencies (No Overruns/Underruns) 6K Bytes of On-Chip RAM Supports Boot PROM for Diskless local bus Supports IEEE 802.3 (ANSI 8802-3) Ethernet Applications Standards Automatic Detection of TX/RX Polarity Reversal Network Interface Simultasking Early Transmit and Early Receive Functions Integrated 10BASE-T Transceiver Functions: Enhanced Early Transmit Function Driver and Receiver Link Integrity Test Receive Counter for Enhanced Early Receive Receive Polarity Detection and Correction Hardware Memory Management Unit Integrated AUI Interface Optional Configuration via Serial EEPROM 10 Mb/s Manchester Encoding/Decoding and Interface (Jumperless) Clock Recovery Supports single 5V or 3.3V VCC Design Automatic Retransmission, Bad Packet Supports Mixed Voltage External PHY Designs Rejection, and Transmit Padding Supports Industrial Temp -40C to 85C External and Internal Loopback Modes Low Power CMOS Design Four Direct Driven LEDs for Status/ Diagnostics 100 Pin QFP and TQFP (1.0mm body Thickness) Packages Software Drivers Direct Interface to local bus, with No Wait States LAN9000 Drivers for Major Network Operating 16 Bit Data and Control Paths Systems Utilizing local bus Interface Fast Access Time Software Drivers Utilize Full Capability of 32 Bit Pipelined Data Path Microprocessor Handles Block Word Transfers for any Alignment High Performance Chained Back-to-Bac) Transmit and Receive SMSC DS LAN91C93I Page 1 Rev. 09/30/2002 DATASHEET Non-PCI Single-Chip Full Duplex Ethernet Controller ORDERING INFORMATION Order Number(s): LAN91C93I-MC, LAN91C93I-ME 100 Pin QFP/TQFP Package Options STANDARD MICROSYSTEMS CORPORATION (SMSC) 2002 80 Arkay Drive Hauppauge, NY 11788 (631) 435-6000 FAX (631) 273-3123 Standard Microsystems and SMSC are registered trademarks of Standard Microsystems Corporation. Product names and company names are the trademarks of their respective holders. Circuit diagrams utilizing 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 semiconductor devices described any licenses under the patent 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