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Toshiba Expands Line-up of Arm Cortex-M3-based Microcontroller for Smart Meters

TOKYO, Mar. 11, 2015 – 

Toshiba Corporation (TOKYO:6502) today announced the launch of a new microcontroller, "TMPM311CHDUG", as the latest addition to its Arm® Cortex®-M3-based TX03 series. The microcontroller is designed for smart meter applications. Sample shipments will start in April, with mass production scheduled to start in September, 2015.

A power measurement analog front-end (AFE) for single-phase and three-phase smart meters requires simultaneous high-precision current measurement, voltage measurement and power calculation. A 24-bit delta-sigma(∆Σ)-type AD converter incorporated in the new product enables high-precision current measurement, voltage measurement and power calculation at the same time. This ensures the realization of high-end smart meters.

Applications

Key Features of New Products

Specifications

Part number TMPM311CHDUG
Sample price (tax included) 300 yen
Main

specifications

CPU Arm® Cortex®-M3
Maximum frequency 20MHz
Internal memory SRAM 21 Kbytes
Operating voltage 2.7 to 3.6 V
24-bit ∆Σ AD converter

4 ch

? Built-in variable gain amplifier for each channel

Variable gain: x1, x2, x4, x8, x16

? 1 channel is also used as an input of the internal temperature sensor.

μDMA controller 1 unit
16-bit timer 5 ch
Interrupt input 2 ch
SSP 1 ch
SIO/UART 1 ch
Temperature sensor 1 ch
Package LQFP48 (7mm x 7mm, 0.5mm pitch)
Note DMA: Direct Memory Access
1 Kbyte is calculated as 1024 bytes.

For more information about the products, please visit:
http://toshiba.semicon-storage.com/info/lookup.jsp?pid=TMPM311CHDUG&region=apc&lang=en

For more information about Toshiba Arm core-based microcontrollers, please visit:
http://toshiba.semicon-storage.com/ap-en/product/microcomputer/lineup/arm-micon.html

About Toshiba

Toshiba Corporation, a Fortune Global 500 company, channels world-class capabilities in advanced electronic and electrical product and systems into five strategic business domains: Energy & Infrastructure, Community Solutions, Healthcare Systems & Services, Electronic Devices & Components, and Lifestyles Products & Services. Guided by the principles of The Basic Commitment of the Toshiba Group, "Committed to People, Committed to the Future", Toshiba promotes global operations towards securing "Growth Through Creativity and Innovation", and is contributing to the achievement of a world in which people everywhere live in safe, secure and comfortable society.

Founded in Tokyo in 1875, today's Toshiba is at the heart of a global network of over 590 consolidated companies employing over 200,000 people worldwide, with annual sales surpassing 6.5 trillion yen (US$63 billion).
To find out more about Toshiba, visit www.toshiba.co.jp/index.htm

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