MSP430F2254IRHAR 16-Bit Microcontroller RHA Package

MSP430F2254IRHAR Overview

The MSP430F2254IRHAR is an ultra-low-power, 16-bit microcontroller in the MSP430 family. It combines a compact CPU with integrated analog and digital peripherals to support low-energy, space-constrained designs. The device targets battery-powered and cost-sensitive industrial applications that need more efficient power use, more precise timer control, and more serial connectivity than many 8-bit alternatives. Use this part where reduced standby current, precise timing, and small-package integration lower system size and long-term operating cost. IC Manufacturer

MSP430F2254IRHAR Technical Specifications

MSP430F2254IRHAR Key Features

• One 16-bit core capability with a compact instruction set that reduces code size and boosts execution efficiency.
• Integrated 10-bit ADC capability for analog sensing, which matters for precise measurement in sensors and control loops.
• Multiple low-power modes that improve battery life, enabling longer operation than many higher-power microcontrollers.
• On-chip USCI serial modules for UART, SPI, and I2C, simplifying communication integration and reducing external components.

Typical Applications

• Battery-powered sensor nodes that require ultra-low standby current and accurate 10-bit ADC readings for environmental monitoring and telemetry.
• Handheld instruments where compact footprint, efficient 16-bit computation, and reliable serial interfaces reduce board size and component count.
• Industrial control modules that need deterministic timer functions, low-power modes during idle periods, and robust UART/SPI links for field communications.
• Consumer metering devices that demand long battery life, compact memory for firmware, and integrated peripherals to minimize BOM and assembly cost.

MSP430F2254IRHAR Advantages vs Typical Alternatives

This device offers a smaller power footprint and a 16-bit core that yields more computation per instruction than typical 8-bit MCUs. With integrated ADC and USCI serial options, it reduces external analog and comms components versus discrete designs. The supported voltage range and multiple low-power modes give more design flexibility than some competitive families. Overall, it balances lower active and standby consumption with sufficient memory and timers for compact industrial and portable applications.

MSP430F2254IRHAR Brand Info

The MSP430F2254IRHAR is part of the MSP430 product line from Texas Instruments. The brand is recognized for ultra-low-power microcontrollers, broad toolchain support, and wide distribution across industrial and consumer markets. Texas Instruments provides documentation, reference designs, and software libraries to speed design and qualification cycles.

FAQ

What is the supply voltage range?

The device supports an operating supply range from 1.8 volts to 3.6 volts. This range allows use with common single-cell lithium and alkaline battery systems and standard 3.3 V rails in industrial designs.

Does it include an ADC?

Yes, an on-chip 10-bit analog-to-digital converter is available. This enables direct digitization of sensors and analog signals without adding external ADC components in many measurement applications.

What serial interfaces are available?

On-chip USCI modules support standard serial protocols such as UART, SPI, and I2C. This integrated support minimizes external interface chips and simplifies board routing for common communication needs.

How many low-power modes exist?

The device implements multiple low-power modes to reduce active and standby consumption. Designers can select between idle and deeper sleep states to trade responsiveness for longer battery life.

What package is the RHA option?

The RHA package is an industry-standard surface-mount package suitable for compact PCBs. It provides a small footprint and reflow compatibility for volume manufacturing and automated assembly.