16-Bit Ultra-Low-Power Microcontroller, 256KB Flash, 16KB RAM, 12 Bit ADC, 2 USCIs, 32-bit HW Multi - MSP430F5437

MSP430F5437 (NRND)

16-Bit Ultra-Low-Power Microcontroller, 256KB Flash, 16KB RAM, 12 Bit ADC, 2 USCIs, 32-bit HW Multi


Not Recommended for New Designs (NRND)

Replaced By MSP430F5437A– The device has the SAME FUNCTIONALITY and PINOUT as the compared device but is NOT an exact equivalent.

TI does not recommend using this part in a new design. This product continues to be in production to support existing customers.

Special note

For migration details please reference: http://www.ti.com/litv/pdf/slaa419b


The Texas Instruments MSP430 family of ultralow-power microcontrollers consists of several devices featuring different sets of peripherals targeted for various applications. The architecture, combined with five low-power modes, is optimized to achieve extended battery life in portable measurement applications. The device features a powerful 16-bit RISC CPU, 16-bit registers, and constant generators that contribute to maximum code efficiency. The digitally controlled oscillator (DCO) allows the device to wake up from low-power modes to active mode in less than 5 µs.

The MSP430F543x and MSP430F541x series are microcontroller configurations with three 16-bit timers, a high-performance 12-bit analog-to-digital converter (ADC), up to four universal serial communication interfaces (USCIs), a hardware multiplier, DMA, a real-time clock (RTC) module with alarm capabilities, and up to 87 I/O pins.

Typical applications for this device include analog and digital sensor systems, digital motor control, remote controls, thermostats, digital timers, and hand-held meters.


  • Low Supply Voltage Range: 2.2 V to 3.6 V
  • Ultralow Power Consumption
    • Active Mode (AM): All System Clocks Active
      • 312 µA/MHz at 8 MHz, 3.0 V, Flash Program Execution (Typical)
      • 140 µA/MHz at 8 MHz, 3.0 V, RAM Program Execution (Typical)
    • Standby Mode (LPM3):
      • Real-Time Clock (RTC) With Crystal, Watchdog, and Supply Supervisor Operational, Full RAM Retention, Fast Wakeup: 2.6 µA at 3.0 V (Typical)
      • Low-Power Oscillator (VLO), General-Purpose Counter, Watchdog, and Supply Supervisor Operational, Full RAM Retention, Fast Wakeup: 1.8 µA at 3.0 V (Typical)
    • Off Mode (LPM4): Full RAM Retention, Supply Supervisor Operational, Fast Wakeup: 1.69 µA at 3.0 V (Typical)
  • Wakeup From Standby Mode in Less Than 5 µs
  • 16-Bit RISC Architecture
    • Extended Memory
    • Up to 18-MHz System Clock
  • Flexible Power Management System
    • Fully Integrated LDO With Programmable Regulated Core Supply Voltage
    • Supply Voltage Supervision, Monitoring, and Brownout
  • Unified Clock System
    • FLL Control Loop for Frequency Stabilization
    • Low-Power Low-Frequency Internal Clock Source (VLO)
    • Low-Frequency Trimmed Internal Reference Source (REFO)
    • 32-kHz Crystals
    • High-Frequency Crystals up to 32 MHz
  • 16-Bit Timer TA0, Timer_A With Five Capture/Compare Registers
  • 16-Bit Timer TA1, Timer_A With Three Capture/Compare Registers
  • 16-Bit Timer TB0, Timer_B With Seven Capture/Compare Shadow Registers
  • Up to Four Universal Serial Communication Interfaces
    • USCI_A0, USCI_A1, USCI_A2, and USCI_A3 Each Support:
      • Enhanced UART Supports Automatic Baud-Rate Detection
      • IrDA Encoder and Decoder
      • Synchronous SPI
    • USCI_B0, USCI_B1, USCI_B2, and USCI_B3 Each Support:
      • I2C
      • Synchronous SPI
  • 12-Bit Analog-to-Digital Converter (ADC)
    • Internal Reference
    • Sample-and-Hold
    • Autoscan Feature
    • 14 External Channels, 2 Internal Channels
  • Hardware Multiplier Supporting 32-Bit Operations
  • Serial Onboard Programming, No External Programming Voltage Needed
  • Three-Channel Internal DMA
  • Basic Timer With RTC Feature
  • For Complete Module Descriptions, See the MSP430x5xx and MSP430x6xx Family User's Guide (SLAU208)

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Related end equipment

  • Analog and Digital Sensor Systems
  • Digital Motor Control
  • Remote Controls
  • Thermostats
  • Digital Timers
  • Hand-Held Meters

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