USB2250I-NU-06

产品概述

The USB2250I-NU-06 is an ultra-fast USB 2.0 multi-slot Flash Media Controller intended for reading and writing to more than 24 popular flash media formats from the CompactFlash® (CF), SmartMedia (SM), xD-Picture Card (xD)1, Memory Stick® (MS), Secure Digital (SD) and MultiMediaCard (MMC) families. It 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.

• Targeted for applications in which single or "combo" media sockets are used
• Supports multiple simultaneous card insertion
• Flexible assignment of number of LUNs and how card types are associated with the LUNs
• Hardware-controlled data flow architecture for all self mapped media
• Pipelined hardware support for access to non-self -mapped media
• SDIO and MMC Streaming mode support
• 16 Additional GPIO’s are available if CF is not used
• On-board 24MHz crystal driver circuit
• Optional external 24MHz clock input
• 4 Independent internal card power FETs

• 8051 8-bit Microprocessor
• Internal regulator for 1.8V core operation
• Software is optimized for low latency interrupt handling
• Reduced memory footprint
• Device firmware upgrade (DFU) support of external EEPROM or external flash

应用

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