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Toshiba develops 1GHz configurable processor

Posted: 23 Aug 2005 ?? ?Print Version ?Bookmark and Share

Keywords:mep-h1? media embedded processor? configurable microprocessor? soc?

Toshiba Corp. has developed what it claims to be the first configurable microprocessor to achieve a 1GHz clock speed. The MeP-h1 is based on the company's "Media embedded Processor" (MeP) architecture for digital consumer and other high-performance SoCs.

The performance of the new core was boosted by increasing the number of instruction execution pipeline stages to nine, from five in Toshiba's previous processor core. The new core is also optimized for design of high-performance customized processors by integrating a reorder buffer circuit that manages and shortens waiting cycles for user extension instructions.

The present implementation of the core was manufactured with 65nm process technology, and that too contributed to achieving the 1GHz clock speed. The configurable processor core is designed with register transfer level description (RTL) and can be manufactured with other process technologies, including 90nm technology.

Toshiba uses MeP in its own products and also licenses the technology to third parties that require flexibility in circuit design. Users who want to apply MeP to their own products can download MeP design data and related information from Toshiba's website after registration and completing a license agreement.

Toshiba developed its first MeP core, the MeP-c1, which had a 5-stage pipeline structure in 2001. Toshiba expanded MeP functionality, creating its line of c-series products, with the MeP-c2 and MeP-c3. The new core, the MeP-h1, introduces a 9-stage pipeline structure as the first core in the new high-performance h series. The company is also developing MeP-c4, an enhanced c-series core.

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