Monday, October 3, 2011

Renesas Electronics announces dedicated single-chip MCU for single-phase static electricity meters

TOKYO, JAPAN: Renesas Electronics Corp. announced the availability of its new highly integrated 16-bit microcontroller, the 78K0R/LG3-M, which enables the design of cost-effective and highly integrated single-phase static electricity meters.

Combining a high-performance 20 megahertz (MHz) 16-bit core with128 kilobytes (KB) of flash memory and 7 KB of RAM, the new MCU integrates all the major functions required in a static electricity meter, including a dedicated electrical power calculation circuit, analog-to-digital (A/D) converter, an LCD driver circuit, and a real-time clock (RTC) with an independent power supply.

Primarily targeting conventional meter applications, the 78K0R/LG3-M MCU can be used together with other Renesas power-line and wireless communications solutions to create highly optimized and low cost smart meters.

Through awareness campaigns, consumers have become more aware of their
electricity consumption and the importance of reducing that consumption. The next generation of smart meters will enable this reduction by including integrated LCD displays and bi-directional communication, which will allow remote reading, tariff updates and load balancing through intelligent control of smart appliances.

Samples of Renesas Electronics' new 78K0R/LG3-M MCU are available now, priced
at $6.5 per unit. Mass production is scheduled to begin in March 2012 and is expected to reach a combined volume of 50,000 units per month.

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