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SoC optimised for stream processing

Posted: 01 Dec 2008     Print Version  Bookmark and Share

Keywords:SoC  programmable hardware  data streams 


NEC Electronics and NEC Central Research Laboratories have jointly developed the XBridge system on a chip (SoC). The XBridge efficiently processes large volumes of image, audio, network packet, and other streaming data, a task which conventional central processing units (CPUs) have performed poorly. NEC Electronics has also created a XBridge evaluation board and development tools.

The XBridge harnesses programmable hardware technology to implement hardware information that can be changed after shipping, by replacing the information specifying the hardware architecture, without attaching the chip's elements or wiring to fixed hardware.

This SoC consists of an STP programmable hardware engine; 2-channel PCI Express; a DDR2 memory interface; and other components all on a single chip. The STP engine's parallel computational processing enables processing of streaming data one to two orders of magnitude faster than a conventional high-performance CPU, without requiring the data to pass through the CPU, all while consuming at most just 2 Watts of power.

NEC Electronics believes that this new SoC can meet the demands for processing complex data streams by office printers, servers, industrial devices, video recording devices, and other devices using the industry standard PCI Express as their internal connection interface, and the company will continue developing this technology with the aim of launching a commercial product within one year.

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