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16bit FRAM MCUs write 100x faster

Posted: 11 May 2011     Print Version  Bookmark and Share

Keywords:16bit microcontroller  mcu 

Texas Instruments Inc. claims the first ultra-low-power ferroelectric random access memory (FRAM) 16bit microcontrollers, the MSP430FR57xx FRAM series, which allow data to be written more than 100x faster while using as little as 250x less power than flash- and EEPROM-based microcontrollers.

Additionally, the on-chip FRAM allows data retention in all power modes, supports more than 100 trillion write cycles, and offers a new dimension of flexibility by allowing developers to partition data and programming memory with changes in software. The FR57xx series eliminates existing power consumption and write endurance barriers, enabling developers to make the world smarter with more cost-efficient data logging, remote sensing and wireless update capabilities in new products that do more and last longer.

The MSP430FR57xx FRAM microcontrollers reduce the best active power by up to 50 per cent when executing code from FRAM, operating at 100µA/MHz in active mode and 3µA in real-time clock mode. They have unified memory that allows developers to change memory partitioning between program, data and cache in software, providing inventory management and system cost savings. The microcontrollers also offer integrated FRAM densities up to 16kB as well as analogue and connectivity peripheral options, including 10bit ADC, 32bit hardware multiplier, up to five 16bit timers and multiple enhanced SPI/I2C/UART buses.

The MSP430FR57xx microcontrollers start at Rs.54.79 ($1.20) at 10K units, and samples and tools are immediately available. The MSP-EXP430FR5739 experimenter's kit is Rs.1,324.20 ($29) and can be ordered at the company website and the MSP-TS430RHA40A development kit is Rs.4,520.55 ($99) and also available at their website.

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