MSP430F2122IRHBT 16-bit Microcontroller, IRHBT Package

MSP430F2122IRHBT Overview

The MSP430F2122IRHBT is a 16?bit ultra?low?power microcontroller from the MSP430 family. It combines a compact 20?pin package with on?chip flash and RAM to support small, cost?sensitive embedded designs. The device offers multiple timers, a universal serial interface, and an analog comparator to reduce external components. It targets battery?powered and energy?efficient systems that need more integration and lower standby consumption compared with larger MCUs. See the manufacturer details at IC Manufacturer.

MSP430F2122IRHBT Technical Specifications

MSP430F2122IRHBT Key Features

• 16?bit CPU ?? Offers compact code and efficient arithmetic for control tasks with lower instruction overhead than 8?bit cores.
• On?chip flash and RAM ?? Integrates 2 KB flash with 128 bytes RAM to store firmware and runtime data without external memory.
• Ultra?low power modes ?? Multiple low?power modes reduce battery drain in sleep and idle states compared with many general?purpose MCUs.
• Integrated Timer_A ?? 16?bit timer supports precision timing, PWM generation, and capture/compare functions for motor or lighting control.
• USI serial interface ?? Provides SPI/I2C?style communication to connect sensors and peripherals while minimizing external logic.
• Analog comparator ?? Built?in comparator removes the need for an external comparator in threshold and window detection circuits.
• Compact 20?pin package ?? Saves board space versus larger packages while keeping at least 16 GPIO lines for I/O flexibility.

Typical Applications

• Battery?powered sensor nodes where long standby life and small code size are required for periodic sampling and wireless interface control.
• Portable handheld meters that need precise timing, low energy consumption, and on?chip comparator functions for threshold detection.
• Appliance control panels implementing simple UI, PWM motor control, and serial peripherals while minimizing component count and cost.
• Industrial monitoring endpoints that require industrial temperature rating, basic analog comparison, and multiple digital I/O in a compact footprint.

MSP430F2122IRHBT Advantages vs Typical Alternatives

The device delivers a compact, power?efficient solution compared with many 8?bit MCUs and larger 32?bit controllers. It offers a true 16?bit core for more efficient arithmetic and code density, while on?chip 2 KB flash and 128 B RAM reduce BOM cost versus designs requiring external memory. The integrated Timer_A, USI, and analog comparator improve system integration. Its 1.8?C3.6 V range and industrial temperature support make it more flexible for battery and industrial use than some lower?voltage, consumer?only parts.

MSP430F2122IRHBT Brand Info

The MSP430F2122IRHBT is part of the MSP430 family from Texas Instruments. TI supplies the MSP430 line as a portfolio of ultra?low?power microcontrollers. The brand emphasizes long standby life, small form factors, and extensive application documentation. Sourcing from TI gives access to reference designs, development tools, and a global distribution network.

FAQ

What is the core architecture?

The device uses a 16?bit RISC core from the MSP430 family. This architecture provides compact code and efficient integer operations for control and sensing applications.

How much nonvolatile memory is included?

On?chip flash memory is 2 KB. That storage supports firmware, boot code, and modest application features without adding external flash components.

What serial interfaces are available?

Communication is provided by a USI (universal serial interface). It supports common serial protocols like SPI and I2C through software or simple configuration.

What are the supply voltage limits?

The supported supply voltage range is 1.8 V to 3.6 V. This allows the device to run directly from common coin cells and single?cell Li?ion systems with fewer power management parts.

Which package and temperature range apply?

The part comes in a 20?pin TSSOP package. It is rated for industrial temperatures from ?40 ??C to 85 ??C, suitable for many field and embedded deployments.