16-Bit Ultra-Low-Power Microcontroller, 60 kB Flash, 2KB RAM, 12 bit ADC, 2 USARTs, HW multiplier

16-Bit Ultra-Low-Power Microcontroller, 60 kB Flash, 2KB RAM, 12 bit ADC, 2 USARTs, HW multiplier - MSP430F149


The Texas Instruments MSP430™ family of ultra-low-power microcontrollers (MCUs) consist 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 attribute to maximum code efficiency. The digitally controlled oscillator (DCO) allows wake-up from low-power modes to active mode in less than 6 µs.

The MSP430F13x, MSP430F14x, and MSP430F14x1 MCUs support two built-in 16-bit timers, a fast 12-bit ADC on the MSP430F13x and the MSP430F14x devices, one USART on the MSP430F13x devices or two USARTs on the MSP430F14x and MSP430F14x1 devices, and 48 I/O pins. The hardware multiplier enhances the performance and offers a broad code and hardware-compatible family solution.

For complete module descriptions, see the MSP430x1xx Family User’s Guide.


  • Low Supply Voltage Range, 1.8 V to 3.6 V
  • Ultra-Low Power Consumption:
    • Active Mode: 280 µA at 1 MHz, 2.2 V
    • Standby Mode: 1.6 µA
    • Off Mode (RAM Retention): 0.1 µA
  • Five Power-Saving Modes
  • Wakeup From Standby Mode in Less Than 6 µs
  • 16-Bit RISC Architecture, 125-ns Instruction Cycle Time
  • 12-Bit Analog-to-Digital Converter (ADC) With Internal Reference, Sample-and-Hold, and Autoscan Feature
  • 16-Bit Timer_B With Seven Capture/Compare-With-Shadow Registers
  • 16-Bit Timer_A With Three Capture/Compare Registers
  • On-Chip Comparator
  • Serial Onboard Programming, No External Programming Voltage Needed, Programmable Code Protection by Security Fuse
  • Serial Communication Interface (USART), Functions as Asynchronous UART or Synchronous SPI Interface
    • Two USARTs (USART0, USART1) On MSP430F14x and MSP430F14x1 Devices
    • One USART (USART0) On MSP430F13x Devices
  • Family Members (Also See Device Comparison)
    • MSP430F133
      • 8KB + 256 Bytes of Flash Memory,
        256 Bytes of RAM
    • MSP430F135
      • 16KB + 256 Bytes of Flash Memory,
        512 Bytes of RAM
    • MSP430F147, MSP430F1471
      • 32KB + 256 Bytes of Flash Memory,
        1KB of RAM
    • MSP430F148, MSP430F1481
      • 48KB + 256 Bytes of Flash Memory,
        2KB of RAM
    • MSP430F149, MSP430F1491
      • 60KB + 256 Bytes of Flash Memory,
        2KB of RAM

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Parametrics Compare all products in Other MSP430 MCUs

Non-volatile Memory (KB)
ADC: Channels (#)
GPIO Pins (#)
Comparator Channels (#)
Package Group
Approx. Price (US$)
Timers - 16-bit
MSP430F149 MSP430F147 MSP430F148
60     32     48    
2     1     2    
12-bit SAR     12-bit SAR     12-bit SAR    
8     8     8    
48     48     48    
0     0     0    
2     2     2    
2     2     2    
2     2     2    
4.75 | 1ku     4.08 | 1ku     4.42 | 1ku    
No     No     No    
2     2     2