MSP430G2231IPW14R 16-bit Ultra-Low-Power Microcontroller, TSSOP-14

MSP430G2231IPW14R Overview

The MSP430G2231IPW14R is an ultra?low?power, 16?bit microcontroller designed for compact, battery?sensitive systems. It combines a low?power CPU with integrated timing and serial peripherals for simple real?time control tasks. The device targets sensor hubs, portable instruments, and power?aware designs that need efficient code density and predictable wake/sleep behavior. For component sourcing, see IC Manufacturer for packaging and ordering details.

MSP430G2231IPW14R Technical Specifications

MSP430G2231IPW14R Key Features

• Low?power 16?bit core ?? delivers efficient instruction density and reduced code size for lower energy per task.
• Wide supply range ?? runs from 1.8 V to 3.6 V, enabling flexible battery and rail choices for portable designs.
• Integrated Timer_A ?? provides precise timing, PWM and capture/compare for motor control and timekeeping duties.
• USI serial interface ?? supports UART, SPI and I2C?style communications, reducing external component count and simplifying board layout.

Typical Applications

• Battery?powered sensor nodes where ultra?low current in standby and predictable wake timing extend lifetime in deployed systems.
• Portable medical or handheld instruments that require compact code, precise timing and a small 14?pin footprint to save PCB area.
• Simple motor or actuator control in consumer devices where a 16?bit timer and low energy use reduce system cost and power draw.
• Serial?interface peripherals and user interfaces that leverage USI for SPI or I2C to connect displays, EEPROMs or sensors efficiently.

MSP430G2231IPW14R Advantages vs Typical Alternatives

The device pairs a true 16?bit CPU with ultra?low power modes to cut average consumption compared with many 8?bit microcontrollers. Flash and SRAM sizes match common sub?system needs while keeping PCB area small in a 14?pin TSSOP package. Integrated Timer_A, USI and an on?chip comparator reduce the need for external ICs and speed up time?to?market. The wide 1.8?C3.6 V range also gives designers more flexibility than fixed 3.3 V parts, helping optimize battery and power?rail strategies.

MSP430G2231IPW14R Brand Info

MSP430G2231IPW14R is part of the MSP430 microcontroller family from Texas Instruments. TI positions this family for ultra?low?power embedded applications. The series emphasizes low standby current, compact packages and a broad ecosystem of development tools and reference designs for rapid prototyping and production.

FAQ

What package does it use?

The part is supplied in a 14?pin TSSOP package, designated IPW. The suffix R indicates tape?and?reel packing, which is standard for high?volume pick?and?place assembly.

What is the operating voltage?

The device operates across a 1.8 V to 3.6 V supply range. This allows designs to use common battery chemistries and single?rail power systems without additional regulators.

Does it include serial interfaces?

Yes. The microcontroller includes a USI block that can be used to implement UART, SPI or I2C?style serial protocols, reducing external interface IC requirements.

What timing peripherals are available?

It features a 16?bit Timer_A peripheral with capture/compare channels. This supports PWM generation, event capture and basic scheduler functions for control tasks.

Is it suitable for low?power designs?

Yes. The MSP430 architecture provides multiple low?power modes and an efficient 16?bit CPU to minimize energy per instruction. This makes it well suited for battery?operated and energy?harvesting applications.