Electronic Design

Chip Interfaces USB To SDIO

The VUB300 USB to SDIO bridge converts USB interfaces to SDIO host interfaces. The SDIO host function conforms to the SDIO Host specification with a generic USB wrapped interface to extend SDIO host controller support to the USB. The  SDIO interface supports one- or four-bit SDIO and SD interrupt with automatic card detection. The chip also handles bus-powered designs requiring less than 450 mW from a 3.3V supply. In a 6 mm x 6 mm QFN, price is $5.30 each/10,000. SAELIG CO., Pittsford, NY. (888) 772-3544.

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