USB2250/50i/51/51i Ultra Fast USB 2.0 Multi-Slot Flash Media Controller Datasheet PRODUCT FEATURES General Description GPIO configuration and polarity The SMSC USB2250/50i/51/51i is a USB 2.0 compliant, Hi- Up to 11 GPIOs (based on configuration) for special Speed mass storage class peripheral controller intended for function use reading and writing to more than 24 popular flash media Four GPIOs with up to 200 mA drive TM formats from the CompactFlash (CF), SmartMedia (SM), 16 additional GPIO s are available if CF is not used TM 1 xD-Picture Card (xD) , Memory Stick (MS), Secure On board 24 MHz crystal driver circuit TM Digital (SD), and MultiMediaCard (MMC) families. Optional external 24 MHz clock input 4 Independent internal card power FETs The SMSC USB2250/50i/51/51i is a fully integrated, single 200 mA each chip solution capable of ultra high performance operation. Fold-bac short circuit protection Average sustained transfer rates exceeding 35 MB/s are 8051 8-bit microprocessor possible if the media and host can support those rates. 60 MHz - single cycle execution 64 KB ROM 14 KB RAM General Features Internal regulator for 1.8 V core operation 128-pin VTQFP (14x14 mm) lead-free RoHS compliant Optimized pinout improves signal routing which eases package implementation for improved signal integrity Targeted for applications in which single orcomb media sockets are used OEM Selectable Features Supports multiple simultaneous card insertions Vendor, product, and language IDs Flexible assignment of number of LUNs and how card Manufacturer ID and product strings (28 character) types are associated with the LUNs Serial number string (12h digit max) Hardware-controlled data flow architecture for all self- Customizable vendor specific data by optional use of mapped media external serial EEPROM Pipelined hardware support for access to non-self- Bus- or self-powered selection mapped media LED blink interval or duration Order number with i denotes the version that supports Internal power FET configuration the industrial temperature range of -40C to 85C Software Features Optimized for low latency interrupt handling Hardware Features Single chip flash media controller with non-multiplexed Reduced memory footprint interface for independent card sockets Device Firmware Upgrade (DFU) support of external Flash Media Specification Revision Compliance EEPROM or External Flash CompactFlash 4.1 Assembly line support Secure Digital 2.0 End user field upgrade support MultiMediaCard 4.2 DFU Package consists of driver, firmware, sample DFU application and source code, DFU driver API SDIO and MMC Streaming Mode support Memory Stick 1.43 Optional custom firmware with up to 128 KB external Memory Stick Pro Format 1.02 ROM Memory Stick Duo Format 1.10 Memory Stick Pro-HG Duo Format 1.01 Applications xD-Picture Card 1.2 Flash Media Card Reader/Writer SmartMedia 1.3 Printers Desktop and Mobile PCs Extended configuration options Consumer A/V xD player mode operation Media Players/Viewers Socket switch polarities, etc. TM Vista ReadyBoost Media Activity LED 1.) xD-Picture Card not applicable to USB2251. SMSC USB2250/50i/51/51i DATASHEET Revision 2.0 (09-29-09) Ultra Fast USB 2.0 Multi-Slot Flash Media Controller Datasheet ORDER NUMBER: CompactFlash Memory Stick Part Number Secure Digital TM MultiMediaCard Operational TM TM SmartMedia xD-Picture Card temperature USB2250-NU-XX 33 0C to 70C USB2250i-NU-XX 33 -40C to 85C USB2251-NU-XX 3 0C to 70C USB2251i-NU-XX 3 -40C to 85C 128-Pin VTQFP Lead-Free RoHS Compliant Package XX in the order number indicates the internal ROM firmware revision level. Please contact your SMSC sales representative for more information. 80 ARKAY DRIVE, HAUPPAUGE, NY 11788 (631) 435-6000, FAX (631) 273-3123 Copyright 2009 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. 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