The MSP430FR231x FRAM microcontrollers (MCUs) are part of the MSP430™ MCU value line sensing family. The devices integrate a configurable
low-leakage transimpedance amplifier (TIA) and a general purpose operational amplifier. The MCUs
feature a powerful 16-bit RISC CPU, 16-bit registers, and a constant generator that contribute to
maximum code efficiency. The digitally controlled oscillator (DCO) also allows the device to wake
up from low-power modes to active mode typically in less than 10 µs. The feature set of these MCUs
are well suited for applications ranging from smoke detectors to portable health and fitness
accessories.
The ultra-low-power MSP430FR231x MCU family consists of several devices that feature
embedded nonvolatile FRAM and different sets of peripherals targeted for various sensing and
measurement applications. The architecture, FRAM, and peripherals, combined with extensive
low-power modes, are optimized to achieve extended battery life in portable and wireless sensing
applications. FRAM is a nonvolatile memory technology that combines the speed, flexibility, and
endurance of SRAM with the stability and reliability of flash at lower total power
consumption.
The MSP430FR231x MCUs are supported by an extensive hardware and software ecosystem
with reference designs and code examples to get your design started quickly. Development kits
include the MSP‑EXP430FR2311
LaunchPad™ development kit and the
MSP‑TS430PW20 20-pin target development
board. TI provides free MSP430Ware™ software, which is available as a component of
Code Composer
Studio™ IDE desktop and cloud versions within
TI Resource Explorer. The MSP430 MCUs are also
supported by extensive online collateral, training, and online support through the
E2E™ Community Forum.
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