Elan Digital releases USB-to-SDIO host bridge chip

Elan Digital Systems' (EDS) latest connectivity device is the VUB300, a USB to SDIO host controller bridge chip interface that allows SDIO and SD compliant devices to be connected to any host PC via the Universal Serial Bus (USB). The device is primarily aimed at smartphone and portable internet devices, as well as standard notebook computers. EDS notes that with a growing number of wireless modem chipsets moving to SDIO as the preferred data interface, the VUB300 is well placed when the target system has no spare SDIO ports available.

A unique feature of the VUB300, so the company claims, is its universal support for any SDIO device, allowing it to run with any manufacturer's existing driver and application software, without requiring modification.

Among the features of this 6 x 6mm QFN packaged device is its low power operation, plus high data throughput (it is USB 2.0 compliant, so operates at 480Mb/s). The SDIO Host function conforms to the SDIO Host specification, whilst a generic USB wrapped interface extends the SDIO host controller's support to the USB bus.

A development kit is available from EDS, including hardware, device drivers for all major OS and full documentation. For more information, visit the company's website here.

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