Mixed-signal microcontrollers target ultra-low-power embedded applications

2nd December 2016
Mick Elliott

The MSP432 mixed-signal microcontrollers from Texas Instruments (TI) are now being shipped by Mouser Electronics. Recently released into production, the TI MSP432 microcontroller family delivers a best-in-class ULPBench score of 167.4 and draws as little as 850nA in standby mode and a run current of 95µA/MHz in active mode.

MSP432 microcontrollers enable designers to develop ultra-low-power embedded applications, such as industrial and building automation, industrial sensing, industrial security panels, asset tracking and consumer electronics where both efficient data processing and enhanced low-power operation are essential.

The microcontrollers are based on a 32-bit ARM Cortex‑M4F core with a floating point unit and memory protection management.

The microcontroller includes two 16-bit timers, four 32-bit timers, and a 14-bit analog to digital converter (ADC) that converts at 1MSPS. It also boasts four high-drive input and output (I/O) pins that can support up to 20mA. The devices support capacitive touch capability, as well as digital glitch filtering on some I/O pins. The onboard DSP instructions and floating point unit enable a wide variety of low-power, high-performance processing, including signal conditioning and sensor fusion.

Mouser also stocks two development boards to support the MSP432 microcontroller. The TI MSP-EXP432P401R LaunchPad development kit includes an on-board emulator with EnergyTrace+ Technology, which enables designers to program and debug projects without the need for additional tools, while also measuring total system energy consumption.

All pins of the LaunchPad device are fanned out for easy access, making it easy to plug in 20-pin and 40-pin TI BoosterPacks that add additional functionality like wireless, capacitive touch, and more.

The MSP-FET-432ADPTR target socket board is an adapter to convert the 14-pin JTAG connector to either standard ARM 10-pin or ARM 20-pin connectors. This allows for use of the MSP-FET debug probe with MSP432 Cortex-M devices

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