USB224X/225X Family USB 2.0 Flash Media Card Controllers Ultra Hi-Speed, Cost-Effective USB 2.0 Flash Media Card Controller Family for PC, Embedded and Consumer Applications

Summary Microchip’s USB224X/225X family of Hi-Speed USB 2.0 Flash media card controllers provides an ultra-fast interface between a USB host controller and today’s most popular flash media cards. Offering comprehensive USB 2.0 compliance and interoperability, the USB224X/225X product family is engineered to provide flexibility for system designers to choose independent or simultaneous access to a wide selection of flash media readers. It provides secure memory format options via external or internal memory and is capable of high-performance throughput with new formats such as CF-UDMA and MS PRO-HG™. The USB224X/225X consist of a USB 2.0 device transceiver, fast 8051 microprocessor and CompactFlash® (CF), Memory Stick® (MS), SmartMedia™ (SM) and Secure Highlights Digital (SD™) controllers in a single chip. Microchip’s new ■■ Optimized for Hi-Speed performance and versatility ultra-fast card readers are well-suited for performance- intensive ® ® applications such ■■ Supports SM/xD, MS/MS-Pro/MS-Pro-HG, MMC/SD as ReadyBoost™. PC system performance can be and CF/CF-UDMA interfaces improved by up to 10% when employing ReadyBoost with ■■ Capable of high-performance throughput > 35 MB/s a Microchip Flash media reader. with new Hi-Speed formats (CF-UDMA, MS PRO-HG) ■■ Well-suited for PC applications utilizing Microsoft Target Applications ReadyBoost to improve system performance ■■ Desktop/notebook PCs ■■ External or internal ROM option ■■ Multi-function printers ■■ Secure memory format options supported via external or internal memory ■■ Digital TVs ■ Supports individual or any combination of sockets ■■ Monitors ■ ■ Industrial temperature option: designed to meet ■■ Consumer audio/video devices ■ −40° to 85°C requirements ■■ Stand-alone flash media reader/writers ■■ Optional, small-footprint, 36-pin QFN package for ■■ Digital picture frames single- or fully-multiplexed card interface designs or ■■ Media players space-constrained applications ■■ Set-top boxes ■■ Gaming consoles ■■ Automobile/home audio systems ■■ Industrial applications

Features Benefits Provides maximum throughput between flash media card and USB 2.0 interface to “Card Speed” Media Reader improve system performance Allows flexibility to create a secure memory format or to customize applications External or Internal ROM based on system requirements

Ultra-fast card is well-suited for Microsoft® Windows Vista® applications such as ReadyBoost™ Support ReadyBoost to improve overall PC system performance

Very small footprint package for compact designs in individual or combination 36-pin QFN package option socket applications Industrial temperature-rated (−40º to 85ºC) Designed to perform in rugged industrial environments Application Scenarios for Microchip's USB 2.0 Flash Media Card Controllers ■■ Provide individual or combinations of multiple format media card reader sockets on a PC, printer or embedded system ■■ Share music, video, still pictures or data files from a card reader to a notebook ■■ Print pictures to a photo printer or kiosk with a camera memory card ■■ Allow users to update system firmware to a PC or embedded application ■■ Software security keys can be stored in the media card as a hardware lock for select software programs ■■ Improve PC system performance with Windows Vista ReadyBoost feature and a media card

Application Diagram: 4 Independent CardSecure Interface Digital (SD™)/mini-SD/HSSD/HCSD/ USB225X MultiMediaCard™Secure Digital (SD™)/mini-SD/HSSD/HCSD/ (MMC) ® USB HOST 128-pinUSB225X VTQFP MemoryMultiMediaCard™ Stick (MS)/MS (MMC) Pro™/MS Pro-HG™ USBSystem HOSTs USB 128-pin VTQFP MemoryxD-Picture Stick Card™® (MS)/MS (xD)/SmartMedia™ Pro™/MS Pro-HG (SM)™ Systems 64 kB ROM USB CompactFlash®xD-Picture Card™ (CF)/CF-UDM (xD)/SmartMedia™A (SM) 64 kB ROM CompactFlash® (CF)/CF-UDMA

Optional ExternalOptional Memory External Memory

Application Diagram: Multiplexed Card Interface

USB224x Combo Socket USB HOST Secure Digital (SD™)/MultiMediaCard™(MMC)/ 36-pinUSB224x QFN Combo Socket Systems Memory Stick® (MS)/MS Pro™/MS Pro-HG™/ USB HOST 36-pin QFN Secure Digital (SD™)/MultiMediaCard™(MMC)/ Systems 64kB ROM MemoryxD-Picture Stick Card™® (MS)/MS (xD)/SmartMedia™ Pro™/MS Pro-HG™/ (SM) 64kB ROM xD-Picture Card™ (xD)/SmartMedia™ (SM)

Which USB224X/225X Family Member is Right for Your Design?

SD™/ MS/MS Pro™/ External Memory Device Package xD CF/CF-UDMA LUN −40 to 85°C MMC MS Pro-HG™ Interface USB2240 36-pin QFN ü ü ü – 1 – – USB2240i 36-pin QFN ü ü ü – 1 – ü USB2241 36-pin QFN ü – ü – 1 – – USB2241i 36-pin QFN ü – ü – 1 – ü USB2242 36-pin QFN – – ü – 1 – – USB2242i 36-pin QFN – – ü – 1 – ü USB2244 36-pin QFN ü – – – 1 – – USB2244i 36-pin QFN ü – – – 1 – ü USB2250 128-pin VTQFP ü ü ü ü 4 ü – USB2250i 128-pin VTQFP ü ü ü ü 4 ü ü USB2251 128-pin VTQFP ü – ü ü 4 ü – USB2251i 128-pin VTQFP ü – ü ü 4 ü ü

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