MSP430G2231IN14 16-Bit Low-Power Microcontroller PDIP-14

MSP430G2231IN14 Overview

The MSP430G2231IN14 is a low-power, 16-bit microcontroller optimized for battery-powered and cost-sensitive embedded systems. It combines a ultra-low-power MSP430 CPU with on-chip nonvolatile memory and basic peripherals for control, timing, and serial interfacing. With a compact 14-pin package and wide supply range, it is suited for compact sensor nodes, handheld instruments, and power-conscious industrial controls. For sourcing and further component options visit IC Manufacturer.

MSP430G2231IN14 Technical Specifications

MSP430G2231IN14 Key Features

• Single 16-bit MSP430 core delivers compact control and faster integer math compared with 8-bit microcontrollers.
• Integrated 2 KB flash and 128 B RAM reduce external memory needs, cutting BOM and board area.
• Ultra-low-power modes and a DCO allow multi-year battery life in intermittent duty-cycle applications.
• Timer_A and capture/compare hardware give precise timing and PWM without continuous CPU intervention.
• USI serial interface supports both simple SPI and basic I2C-like communications, easing sensor and peripheral integration.
• PDIP-14 package supports easy prototyping and through-hole production compared with surface-mount-only devices.

Typical Applications

• Battery-powered sensor nodes requiring less than a few kilobytes of code memory and aggressive low-power standby between events.
• Handheld instruments where small firmware, accurate timing, and multi-year battery life are critical for measured portability.
• Basic industrial control tasks that need a compact MCU with reliable watchdog, timer capture, and simple serial peripheral support.
• Consumer products such as appliance controllers and remote controls that benefit from low system cost and through-hole assembly options.

MSP430G2231IN14 Advantages vs Typical Alternatives

The device combines a 16-bit core with 2 KB flash and ultra-low-power operation, offering higher computational density and lower sleep currents than many 8-bit alternatives. Its integrated Timer_A and USI reduce the need for external logic and off-chip peripherals, lowering system cost. The PDIP-14 package also makes it easier to prototype and repair compared with smaller, surface-mount-only parts. Overall, it provides a compact, energy-efficient solution for simple embedded control where 2 KB code space and minimal RAM suffice.

MSP430G2231IN14 Brand Info

The MSP430G2231IN14 is part of Texas Instruments’ MSP430 family of ultra-low-power microcontrollers. TI positions this product for cost-sensitive, low-power applications that require reliable timing and modest memory. The MSP430 lineup emphasizes long battery life, compact code size, and straightforward development using TI toolchains and on-chip debug support.

FAQ

What is the supply voltage range?

This MCU operates over a nominal supply range of 1.8 volts to 3.6 volts, enabling use with common single-cell lithium and multiple alkaline battery chemistries.

How much on-chip flash is available?

The device provides 2 kilobytes of on-chip flash memory for code and nonvolatile storage, sufficient for compact embedded firmware and small lookup tables.

What debug and programming options exist?

On-chip support for Spy-Bi-Wire (SBW) allows in-circuit programming and debugging with TI-compatible programmers and debuggers, simplifying development and production programming.

Does it support low-power standby?

Yes, multiple low-power modes are provided to minimize current draw while retaining RAM or wake-up sources, suited for long-lived battery applications.

Which serial interfaces are available?

The device features a USI-based serial peripheral capable of SPI-style operation and simple I2C-like protocols, enabling interfaces to sensors and serial peripherals without dedicated UART hardware.