TI 32-bit MSP432™ microcontrollers

MSP MCUs with ARM® Cortex®-M4 core optimized for Internet-of-Things sensor nodes enable acquisition and processing of high precision signals without sacrificing power.

Ultra-low power

Ultra-low power

Increase performance and battery life at the same time with an ultra-low-power microcontroller with 48MHz ARM Cortex-M4F CPU:

  • 80uA/MHz in active power
  • 660nA in standby power
  • FPU and DSP extensions
Connected MCU companion

Connected MCU companion

Add high precision analog and memory extension to SimpleLink™ wireless connectivity solutions-based applications and enjoy faster development with MSP432 and SimpleLink MCUs using a common software and tool ecosystem

Higher precision measurement

Higher precision measurement

Capture signals with high-precision 14-bit SAR ADC and accelerate advanced algorithms with 32-bit floating-point CPU and DSP extension

MSP432P401R Microcontroller

Pricing from: $3.68 (1ku)

High precision SAR-based ADC with up to 16-bit of resolution, IP Protection to secure multiple firmware, achieving ultra-low-power of 192.3 ULPBench while maintaining high-performance capabilities of 32-bit CPU at up to 48MHz.

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Ultra-Low Power

  • 80 uA/MHz active mode
  • 660 nA LPM3 (With RTC)
  • Wake-Up From Standby Mode in <10 uS
  • 192.3 ULPBench score


  • 24-ch 14-bit (13.2 ENOB) differential ADC
  • Up to 1 MSPS
  • 375 uA at full speed


  • 4 IP Protected zones
  • JTAG lock, factory reset configuration
  • Field firmware update with encryption


  • Up to 256kB of Flash in two banks
  • Up to 64kB of SRAM in 8-bank configuration

Connected MCU companion

Add an MCU companion to your wireless IoT system featuring:

  • Ultra-low-power processing capabilities
  • Internet of Things (IoT) stacks
  • High-precision analog

  • Enhanced with high-performance analog, integration, and advanced security, MSP432 MCUs are the optimal companion host MCU for any wireless application. MSP432 MCUs offer additional processing capabilities with 48MHz 32-bit ARM Cortex-M4F CPU and a wide range of memory footprints to aid wireless MCUs running multiple wireless protocols, IoT agents, and the top-level application.

    Develop portable software on MSP432 MCUs and TI SimpleLink wireless connectivity MCUs using the comprehensive TI MCU developer ecosystem and common software libraries including TI-RTOS, Driver, and wireless network stacks.

    Wireless protocol TI wireless connectivity MCUs and transceivers TI MCU Development tools
    Wi-Fi® CC3100 MSP432P401R MSP432 LaunchPad development kit + CC3100 BoosterPack module
    Sub-1GHz CC1310
    MSP432P401R MSP432 LaunchPad development kit + CC1310 LaunchPad development kit
    CC1200 MSP432P401R MSP432 LaunchPad development kit + CC1200 Evaluation kit module for 868-930 MHz + EM Adapter BoosterPack module
    Bluetooth® low energy CC2640 MSP432P401R MSP432 LaunchPad development kit + LAUNCHXL-CC2650
    Dual-mode Bluetooth CC2564MODA MSP432P401R MSP432 LaunchPad development kit + LAUNCHXL-CC2564MODA
    NFC TRF7970A MSP432P401R MSP432 LaunchPad development kit + NFC Transceiver Booster Pack

    Higher precision measurement with ADC14 module

    The ADC14 module integrated in MSP432 MCUs supports fast 14-bit analog-to-digital conversions at up to 1Msps. The module implements a 14-bit SAR core, sample select control, reference generator, two window comparator and direct data transfer using DMA.

    When combined with DMA, the ADC14 allows the samples to be converted and stored in memory without CPU intervention. The module can be configured with user software to support a variety of applications. The ADC14 also has a built in temperature sensor and VCC reference.

    Learn how to achieve 16-bit of resolution by oversampling ADC14

    Learn how to perform low-power analytics on the process the high-resolution ADC14 samples with MSP432 MCU’s DSP solutions

    Learn how to leverage low power and flexibility of MSP432’s integrated ADC14 through this blog series:

  • The secret of using noise to improve your ADC’s performance
  • How to leverage the flexibility of an integrated ADC in an MCU for your design to outshine your competitor – part 1
  • How to leverage the flexibility of an integrated ADC in an MCU for your design to outshine your competitor – part 2
  • Top 12 ways to achieve low power using the features of an integrated ADC