ARM Cortex-M0 microcontroller is optimized for smart meters
May 29, 2012 // Paul Buckley
Toshiba Electronics Europe is launching a 32-bit RISC microcontroller built around the ARM Cortex-M0 processor core. The new TMPM061 is also Toshiba's first Cortex-M0 device specifically designed for smart metering applications.
The microcontroller allows designers to replace the conventional two-chip analog front end (AFE) and processor approach to smart meter design with a single IC.
ARM’s smallest processor, the ARM Cortex-M0 delivers small silicon area, low power and minimal code footprint, making it ideal for smart meter designs. Toshiba has used this core for its new microcontroller’s main CPU, while deploying an on-board DSP power calculation engine to simplify smart meter power measurement. The power calculation engine can calculate active energy, reactive energy and power factor as well as monitoring voltage and frequency fluctuation. Flexibility is enhanced as the basic energy use calculation function can be updated and modified by the developer as necessary.
As well as the power calculation engine the TMPM061 offers a variety of on-board functions that will minimize the component count of smart meter designs. These include a three-channel, high-precision 24-bit Delta-Sigma (∆∑) analogue-to-digital converter (ADC), a 10-bit ADC and a temperature-compensated real-time clock (RTC). The ∆∑ ADC supports simultaneous sampling at up to 6 kHz and has a SINAD (signal-to-noise and distortion ratio) that is suitable for a residential meter.
Toshiba is providing the TMPM061 with up to 128 Kbytes of on-chip Flash ROM and 8Kbytes of available on-chip RAM. Additional on-board peripherals include a 9-channel, 16-bit timer, a controller for directly driving an LCD display, a temperature sensor, a voltage detection circuit and a watchdog timer. Integrated connectivity comprises a 5-channel general-purpose serial interface (selectable between UART mode and synchronous mode) and a serial bus interface. The latter offers a choice of I 2 C bus mode or synchronous mode operation.
The TMPM061FWFG is supplied in a 14 mm x 14 mm 100-pin LQFP package and will operate with input voltages from 1.8 V to 3.6 V. Maximum operating frequency is 16 MHz. Four standby modes (IDLE, SLOW, SLEEP, STOP) ensure minimum power consumption for a range of conditions.
Samples of the new microcontroller will be available from August 2012, with mass production scheduled for December 2012.
Visit Toshiba Electronics Europe at www.toshiba-components.com
Biodegradable electronics debut
July 03, 2015
Today our landfills are being overrun by discarded electronic devices fabricated on silicon substrates that do not biodegrade ...
Power magnetics Lab Kit enters education
Automotive software design: new challenges through multiprocessing
Ultrasound sensor protects pedestrians
Dielectric material helps keep LED packages much cooler
PowerChip plans Chinese fab for display, sensor ICs
July 02, 2015
A former DRAM vendor, now foundry, is joining a trend towards supporting manufacturing in China, according to local reports. ...
XeThru Bot simulates breathing for sensor testing: built from Lego
Sony to raise $3.6bn to speed reinvention as component company
Startup's tech is Intel's Quark neural network
- Critical Requirements in High Speed Signal Generation Applications
- The 400XAC Series: Two Major Advantages that Simplify Functional Testing
- A Smart Way to Drive ECU Consolidation
- Autonomous Driving: An Eye on the Road Ahead
InterviewCEO interview: Cadence is about enablement, collaboration
EDA companies are being asked to provide expertise from the circuit- to the system-level observes Lip-Bu Tan, CEO of EDA software vendor Cadence Design Systems Inc. Covering such a breadth of endeavour ...
Filter WizardCheck out the Filter Wizard Series of articles by Filter Guru Kendall Castor-Perry which provide invaluable practical Analog Design guidelines.
Linear video channel
READER OFFERRead more
This month, Novelda is giving away two full XeThru Inspiration kits worth 1499 US Dollars each, for EETimes Europe's readers to experiment first hand with its XeThru technology.Based on the use of radio waves, rather than infrared, ultrasound or light, the company's X2M1000 Inspiration modules can detect presence just from the chest movement while breathing, and measure both the rate and... MORE INFO AND LAST MONTH' WINNERS...
December 15, 2011 | Texas instruments | 222901974
Unique Ser/Des technology supports encrypted video and audio content with full duplex bi-directional control channel over a single wire interface.