MSP430G2231IRSA16T 16-bit Microcontroller (IRSA16T package)

MSP430G2231IRSA16T Overview

The MSP430G2231IRSA16T is an ultra-low-power, 16-bit microcontroller from a value-oriented MSP430 family. It combines a compact 16-pin package with a 16?bit RISC core and integrated analog and timing peripherals for small embedded systems. The device targets battery-powered and cost-sensitive designs that need more energy efficiency and fewer external components than many 8-bit alternatives. For sourcing and component details see IC Manufacturer.

MSP430G2231IRSA16T Technical Specifications

MSP430G2231IRSA16T Key Features

• 16-bit RISC core ?? delivers higher computational density versus many 8-bit parts for tighter code and faster arithmetic.
• Low-voltage operation ?? runs from 1.8 V to 3.6 V, allowing longer battery life and compatibility with single-cell lithium designs.
• Integrated 10-bit ADC ?? reduces BOM by handling moderate-resolution analog sensing without an external converter.
• Timer_A and watchdog ?? provide reliable timing, power management, and basic safety functions without extra ICs.
• Small 16-pin package ?? saves board area compared with larger MCUs while offering sufficient GPIO for many applications.

Typical Applications

• Low-power sensor nodes that require a compact MCU with an integrated 10-bit ADC for direct analog measurement and extended battery runtime.
• Portable metering devices where a 16-bit core gives more efficient math and control than many 8-bit alternatives in tight PCBs.
• Consumer controls and simple HMI panels that need timers, comparator functions, and several GPIOs in a 16-pin footprint.
• Industrial monitoring endpoints where wide supply tolerance and -40 ??C to 85 ??C operation provide robust field performance.

MSP430G2231IRSA16T Advantages vs Typical Alternatives

The device offers a stronger combination of energy efficiency and code density than many 8-bit microcontrollers, with a 16?bit RISC core that executes more complex control routines in fewer cycles. It integrates a 10?bit ADC, Timer_A and comparator in a 16-pin package, which reduces board count and cost versus solutions that require external analog or timing chips. The wider operating voltage range and extended temperature rating also make it more flexible for battery-based and industrial applications.

MSP430G2231IRSA16T Brand Info

The MSP430G2231IRSA16T is produced by Texas Instruments, the developer of the MSP430 ultra?low?power microcontroller family. TI positions these parts for energy?sensitive embedded markets, offering long product support, global distribution, and a broad software and tools ecosystem tailored to rapid prototyping and production scaling.

FAQ

What core does it use?

The device uses a 16-bit RISC CPU core. This architecture emphasizes compact instruction encoding and efficient execution for control and signal tasks where code size and energy are critical.

What is the supply voltage range?

It operates from 1.8 volts to 3.6 volts. That range supports common single-cell battery chemistries and many digital logic levels without additional power conversion.

Does it include analog inputs?

Yes. The MCU includes a 10-bit analog-to-digital converter, which lets designers measure moderate-resolution analog signals without an external ADC in typical sensing applications.

Which package is used?

The part is offered in a 16-pin TSSOP package (IRSA16T). This package reduces PCB area compared with larger packages while retaining accessible pinout for GPIO and peripherals.

Is it suitable for low-temperature use?

Yes. The device is rated for operation from -40 ??C to 85 ??C, making it suitable for many industrial and outdoor use cases that demand extended ambient temperature capability.