MSP430F1121AIRGET 16-Bit Ultra-Low-Power Microcontroller

MSP430F1121AIRGET Overview

The MSP430F1121AIRGET is an ultra-low-power, 16?bit microcontroller in the MSP430 family designed for space- and cost-constrained control and sensing tasks. It combines a single 16?bit RISC CPU with compact on-chip memory, a low-voltage supply range, and standard peripheral building blocks to support efficient real-time control. The device targets battery-powered and embedded sensing systems that need lower power consumption, fewer external components, and tighter integration. Learn more via IC Manufacturer.

MSP430F1121AIRGET Technical Specifications

MSP430F1121AIRGET Key Features

• Single 16?bit RISC core with deterministic instruction set: enables tight real?time control and faster code density compared with many 8?bit parts.
• Integrated 10?bit ADC: converts analog sensor signals on?chip and reduces external component count, improving system integration.
• Wide supply range (1.8?C3.6 V): provides compatibility with lower-voltage batteries and common 3.3 V rails for flexible power system design.
• Low memory footprint with on?chip Flash and RAM: suits firmware for compact control, bootloader, and sensor acquisition tasks without external memory.
• 16?bit Timer_A: supports precise PWM generation and input capture for motor control, power conversion, or timing-critical applications.
• USI serial interface: offers SPI/I2C-style communication options for sensors, external memories, and peripherals with fewer pins.
• Industrial temperature rating and small package options: eases deployment in harsh environments and space?constrained PCBs.

Typical Applications

• Battery-powered sensor nodes for industrial monitoring where ultra?low standby current and a small memory footprint extend battery life and minimize BOM cost.
• Portable medical devices that require precise ADC readings and low supply voltage operation to maintain safety and longer run time on small cells.
• Motor and actuator control in small appliances where a 16?bit timer and deterministic CPU deliver accurate PWM and closed-loop control in a compact package.
• Embedded control in consumer electronics, providing a lower-cost MCU with integrated ADC and serial interface to reduce external parts and board area.

MSP430F1121AIRGET Advantages vs Typical Alternatives

The device combines a 16?bit CPU with on?chip ADC and timers in a smaller memory footprint, offering better code density and lower power draw than many 8?bit controllers. With a 1.8?C3.6 V supply window and industrial temperature rating, it fits more battery?centric and harsh?environment designs. The integrated USI and Timer_A reduce external components, lowering BOM and assembly costs while improving reliability through fewer connectors.

MSP430F1121AIRGET Brand Info

The MSP430F1121AIRGET is a member of the MSP430 family from Texas Instruments. TI positions MSP430 devices for ultra?low?power embedded and sensing applications, providing development tools, reference code, and a broad supply chain for industrial and commercial customers.

FAQ

What is the core architecture?

The device uses a single 16?bit RISC core optimized for low power and compact code. This architecture delivers better code density than many 8?bit MCUs and deterministic execution for real?time tasks.

What supply voltages are supported?

Operating voltage is specified from 1.8 V to 3.6 V, enabling use with common 3.3 V rails and lower?voltage battery sources for flexible power designs.

Does it include analog inputs?

Yes, a 10?bit ADC is integrated on?chip to support direct sensor measurement and reduce the need for external ADC components in many designs.

Which peripherals support communications?

The MCU includes a Universal Serial Interface (USI) that can be used to implement SPI or I2C?style communication with sensors and peripherals while conserving pin count.

What temperature range is supported?

The device is rated for industrial operation from ?40 ??C to +85 ??C, making it suitable for many outdoor and industrial environments where extended temperature operation is required.