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 embedded Hitachi Renesas Mikrokontroller

Renesas 32-bit Prozessoren

Aktualität:

Renesas scheint sich nun vom Erbe der Hitachi-Zeit zu befreien, denn mit der RX-Architektur verlassen sie die aus der SH-Familie bekannten RISC-Pfade und betreten Neuland mit CISC Architektur die sich durch verbesserte Effizienz (MIPS/Mhz) bei niedrigeren Taktraten von der bisherigen RISC-Strategie unterscheidet, und einen Upgrade-Pfad für M32r oder H8 bietet.

RX Features:

(1) Fast, high-performance, code-efficient(a)4 RX CPU core The RX CPU core is capable of 200MHz operation. It has a Harvard architecture with a 5-stage pipeline and can perform program reads and data writes in parallel, enabling 1.25 MIPS/MHz processing performance (Dhrystone 2.1 benchmark). The CPU's instruction set is optimized, resulting in a 30-percent boost in code efficiency compared to current Renesas products. (2) On-chip flash memory capable of 100MHz high-speed operation The RX600 Series incorporates Renesas' proprietary MONOS (Metal Oxide Nitride Oxide Silicon) flash memory with single-cycle read capability at 100MHz -- the industry's fastest. The flash memory's read speed and large capacity (up to 4MB) accommodate more complex application programs. In addition, all RX600 Series chips have a special area of on-chip flash memory that is guaranteed for up to 100,000 rewrites. This flash works with a BGO (Background Operation) function, enabling parallel flash memory programming during program execution. (4) MCU Development Platform for speedy product development Renesas uses its EXREAL Platform[TM](a)5, an integrated mother platform, to implement new SoC (System on Chip) products. Now the concept of this successful development system has been applied to construct the 'MCU Development Platform' for MCUs. (5) Extended core options MPU, single-precision floating-point unit or DSP function.

Renesas SuperH SH3 SH3-DSP SH4 RX600

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