• Core
  • ARM® 32-Bit Cortex®-M4F CPU With Floating Point Unit and Memory Protection Unit
  • Frequency up to 48 MHz
  • Performance Benchmark:
    • 1.196 DMIPS/MHz (Dhrystone 2.1)
    • 3.41 CoreMark/MHz
  • Energy Benchmark:
    • 167.4 ULPBench® Score
• Memories
  • Up to 256KB of Flash Main Memory (Simultaneous Read and Execute During Program or Erase)
  • 16KB of Flash Information Memory
  • Up to 64KB of SRAM (Including 8KB of Backup Memory)
  • 32KB of ROM With MSPWare Driver Libraries
• Code Security Features
  • JTAG and SWD Lock
  • IP Protection (Up to Four Secure Flash Zones, Each With Configurable Start Address and Size)
• Operating Characteristics
  • Wide Supply Voltage Range: 1.62 V to 3.7 V
  • Temperature Range (Ambient): –40°C to 85°C
• Ultra-Low-Power Operating Modes
  • Active: 90 µA/MHz
  • Low-Frequency Active: 90 µA (at 128 kHz)
  • LPM3 (With RTC): 850 nA
  • LPM3.5 (With RTC): 800 nA
  • LPM4.5: 25 nA
• Flexible Clocking Features
  • Programmable Internal DCO (up to 48 MHz)
  • 32.768-kHz Low-Frequency Crystal Support (LFXT)
  • High-Frequency Crystal Support (HFXT) up to 48MHz
  • Low-Frequency Trimmed Internal Reference Oscillator (REFO)
  • Very Low-Power Low-Frequency Internal Oscillator (VLO)
  • Module Oscillator (MODOSC)
  • System Oscillator (SYSOSC)
• Enhanced System Options
  • Programmable Supervision and Monitoring of Supply Voltage
  • Multiple-Class Resets for Better Control of Application and Debug
  • Eight-Channel DMA
  • Real-Time Clock (RTC) With Calendar and Alarm Functions
• Timing and Control
  • Up to Four 16-Bit Timers, Each With up to Five Capture, Compare, PWM Capability
  • Two 32-Bit Timers, Each With Interrupt Generation Capability
• Serial Communication
  • Up to Four eUSCI_A Modules
    • UART With Automatic Baud-Rate Detection
    • IrDA Encode and Decode
    • SPI (up to 16 Mbps)
  • Up to Four eUSCI_B Modules
    • I2C (With Multiple-Slave Addressing)
    • SPI (up to 16 Mbps)
• Flexible I/O Features
  • Ultra-Low-Leakage I/Os (±20 nA Maximum)
  • Up to Four High-Drive I/Os (20-mA Capability)
  • All I/Os With Capacitive Touch Capability
  • Up to 48 I/Os With Interrupt and Wake-up Capability
  • Up to 24 I/Os With Port Mapping Capability
  • Eight I/Os With Glitch Filtering Capability
• Advanced Low-Power Analog Features
  • 14-Bit, 1-MSPS SAR ADC
  • Internal Voltage Reference With 10-ppm/°C Typical Stability
  • Two Analog Comparators
• Encryption and Data Integrity Accelerators
  • 128-, 192-, or 256-Bit AES Encryption and Decryption Accelerator
  • 32-Bit Hardware CRC Engine
• JTAG and Debug Support
  • Support for 4-Pin JTAG and 2-Pin SWD Debug Interfaces
  • Support for Serial Wire Trace
  • Support for Power Debug and Profiling of Applications

• Industrial and Automation
  • Home Automation
  • Smoke Detectors
  • Barcode Scanners
• Metering
  • Electric Meters
  • Flow Meters
• Health and Fitness
  • Watches
  • Activity Monitors
  • Fitness Accessories
  • Blood Glucose Meters
• Consumer Electronics
  • Mobile Devices
  • Sensor Hubs

The MSP432P401x device family is TI's latest addition to its portfolio of efficient ultra-low-power mixed-signal MCUs. The MSP432P401x family features the ARM Cortex-M4 processor in a wide configuration of device options including a rich set of analog, timing, and communication peripherals, thereby catering to a large number of application scenarios where both efficient data processing and enhanced low-power operation are paramount.

Overall, the MSP432P401x is an ideal combination of the TI MSP430™ low-power DNA, advance mixed-signal features, and the processing capabilities of the ARM 32-bit Cortex-M4 RISC engine. The devices ship with bundled driver libraries and are compatible with standardized components of the ARM ecosystem.