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TMCNet:  Japan : Renesas Electronics Introduces 32-Bit RX21A Group of Microcontrollers with Large Memory Capacity and Built-In A/D Converter Enabling... [TendersInfo (India)]

[September 07, 2012]

Japan : Renesas Electronics Introduces 32-Bit RX21A Group of Microcontrollers with Large Memory Capacity and Built-In A/D Converter Enabling... [TendersInfo (India)]

(TendersInfo (India) Via Acquire Media NewsEdge) Japan : Renesas Electronics Introduces 32-Bit RX21A Group of Microcontrollers with Large Memory Capacity and Built-In A/D Converter Enabling High-Resolution Measurement for Highly-Functional Smart Met Renesas Electronics Corporation, a premier supplier of advanced semiconductor solutions, today announced the RX21A Group of 32-bit microcontrollers (MCUs) for smart meters with advanced functionality. The new MCUs are the first in the industry to combine large flash memory capacity of 512 KB and a 24-bit delta-sigma (Delta-sigma) A/D converter (Note 1) for high-resolution measurement.


The RX21A Group of MCUs implements in a single chip functions that previously required separate devices, such as power measurement, meter control, calculation of electricity charges, and data encryption. This reduces the number of external components required and helps to lower the overall cost. In addition, the RX21A Group includes product versions for a variety of meter models, allowing common and effective system design.

Recently, the smart meter market has expanded rapidly with the spread of smart grids as a way to increase energy efficiency. It is estimated that more than 100 million smart meters will be in operation by 2014. The proliferation of smart meters has created demand for MCUs that provide, in addition to reduced power consumption, higher performance to support advanced functions such as complex power calculation, needed for time-of-day rate systems and other diverse power services in many countries, and strong security, including communication data protection and unauthorized access prevention, in addition to reduced power consumption. There is also a greater need for shorter development cycles and improved development efficiency for new meter models, which spurs the need for an extensive lineup of MCUs supporting a wide range of smart meter models. At the same time, the home energy management system (HEMS) market is growing rapidly, driving the trend toward MCUs with enhanced functionality and larger memory capacity.

Renesas already mass produces 8-bit and 16-bit MCUs with on-chip Delta-sigma A/D converter for use in power meters with power calculation and ordinary billing capabilities. The RX21A Group of MCUs expands the product lineups to further meet the market demands. Renesas now offers a full range of Delta-sigma A/D converter-equipped MCU product lineups, allowing designers to scale from the low-end to high-end smart meters more easily.

(c) 2012 Euclid Infotech Pvt. Ltd. Provided by Syndigate.info an Albawaba.com company

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