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Flash-based 16bit MCUs tout 8bit power levels

Posted: 22 Feb 2008 ?? ?Print Version ?Bookmark and Share

Keywords:microcontrolllers? low-power 16bit MCUs? inverter control circuits?

NEC Electronics has released the 78K0R/Ix3 line of 'All Flash' MCUs with 16bit performance at 8bit power consumption levels for inverter control applications.

The 19 MCUs in the 78K0R/Ix3 lineup are designed to enable a new generation of intelligent and eco-friendly appliances and motor drives. All devices in the lineup feature integrated inverter control circuits.

The 78K0R/Ix3 All Flash MCUs feature CPU power consumption of 1.8mW per MIPS. According to NEC, the 78K0R/Ix3 devices offer the highest performance-to-power-consumption ratio in the industry. The MCUs are built around NEC Electronics' 78K0R CPU core that executes 13 MIPS at a clock speed of 20MHz.

The 78K0R/Ix3 devices also include on-chip oscillators capable of driving timers at rates up to 40MHz for fine-tuned inverter control. They integrate hardware multiply and divide functionality for fast processing of mathematical algorithms, as well as all of the analog circuits required for inverter control, including comparators and an integrated operational amplifier.

Pricing varies according to on-chip memory specifications. For example, the 78K0R/IE3 product with 64Kbyte of flash memory and 3Kbyte of RAM is priced at $5 per unit in sample quantities.

The devices are expected to be available in sample quantities in May. Volume production is scheduled to start in December.

NEC Electronics is one of the exhibitors in the upcoming IIC-China 2008.

- Ismini Scouras

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