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16bit MCU core consumes
Posted: 08 Dec 2008 ?? ?Print Version ?Bookmark and Share

Keywords:core 16bit MCU? cryptoprocessor delay-insensitive? electronics embedded?

Tiempo AS, a French startup specializing in the design of asynchronous ICs, has unveiled a 16bit MCU core that is claimed to consume less than 40?A per MIPS.

The company said that its 16bit MCU core provides a power-efficient instruction set and integrates peripherals such as interrupt controller, UART and cascadable timers. The consumption of the chip core, Tiempo added, goes down to 37?A per MIPS when operating at 0.7V (47?A at 1.2V), including leakage current of used general-purpose process. Power consumption of instructions that include communication with peripherals and memories was measured at 61?A, i.e. less than 25?A per (equivalent) MHz.

Among other potential applications, Tiempo cited ultralow-power chips for embedded electronics, such as power management chips, sensor networks, metering devices, RFID, smartcards and chips that must operate with low electromagnetic emissions (e.g. electronics for the automotive and medical industries).

In June, Tiempo claimed it had produced a delay-insensitive DES cryptoprocessor as a demonstrator of its design capabilities and intellectual property. This followed the release in May 2008 of a clock-less cryptoprocessor chip, the DES4, which includes four different DES cores available as IP, and able to execute standard ciphering algorithms DES, DES-1, 3DES and 3DES-1.

- Anne-Francoise Pele
EE Times-Europe





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