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USB2241I

Microchip
Part Number USB2241I
Manufacturer Microchip
Description Ultra Fast USB 2.0 Multi-Format Controllers
Published Mar 16, 2016
Detailed Description USB224X Ultra Fast USB 2.0 Multi-Format, SD/MMC, and MS Flash Media Controllers Highlights The Microchip USB224x is a ...
Datasheet PDF File USB2241I PDF File

USB2241I
USB2241I

Overview
USB224X Ultra Fast USB 2.
0 Multi-Format, SD/MMC, and MS Flash Media Controllers Highlights The Microchip USB224x is a USB 2.
0 compliant, HiSpeed bulk only1 mass storage class peripheral controller intended for reading and writing to popular flash media from the xD-Picture CardTM (xD)2, Memory Stick® (MS), Secure Digital (SD), and MultiMediaCardTM (MMC) families.
The USB224x is a fully integrated, single chip solution capable of ultra high performance operation.
Average sustained transfer rates exceeding 35 MB/s are possible if the media and host can support those rates.
The USB2244/44i includes provisions to read/write secure media formats.
General Features • Low pin count 36-pin QFN (6x6 mm) RoHS compliant package • USB2240/40I/41/41I - Targeted for applications in which single or "combo" media sockets are used • Hardware-controlled data flow architecture for all self-mapped media • Pipelined hardware support for access to nonself-mapped media • Order number with “I” denote the products that support the industrial temperature range of -40ºC to 85ºC • Support included for secure media format on a licensed, customized basis - USB2244/44I: SD Secure Hardware Features • Single chip flash media controller with - USB2240/40I/41/4I: multiplexed interface for use with “combo” card sockets - USB2244/44I: SD/MMC flash media reader/ writer • MMC Streaming Mode support • Extended configuration options - xD player mode operation - Socket switch polarities, etc.
• Media Activity LED • On board 24 MHz crystal driver circuit • Optional external 24 MHz clock input3 • Internal card power FET - 200 mA - "Fold-back" short circuit protection • 8051 8-bit microprocessor - 60 MHz - single cycle execution - 64 KB ROM | 14 KB RAM • Supports a single external 3.
3 V supply source; internal regulators provide 1.
8 V internal core voltage for additional bill of materials and power savings • Optimized pinout improves signal routing which eases implementation for improved signal integrity Flas...


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