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LSI combines USB/SD host, MP3 decoder, system controller

Posted: 30 Apr 2007 ?? ?Print Version ?Bookmark and Share

Keywords:MP3 decoder? USB memory? SD card host?

BU9435KV LSI from Rohm

Rohm Co. Ltd has developed what it says is the industry's first LSI that combines USB memory/SD card host functionality, an MP3 audio decoder, and system controller on a single chip. The device is said to reduce costs and parts count, resulting in increased board space.

In addition, the system controller is equipped with a command software that can perform file searching, reading, decoding and can switch between standalone and slave operation, thus minimizing development time. Slave mode allows software control by the MCU for complex processes such as filename and ID3 tag display, while standalone mode provides MP3 functionality to non-audio applications, even those without a CPU.

The BU9435KV enables automatic playback of MP3 files stored on USB or SD memory, making it suitable for all types of audio devices, such as CD players, compact stereo systems, car audio and clock radios.

Sample price is $25.

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