MSP430F1122IRHBT 16-bit MSP430 Microcontroller, IRHBT Package

MSP430F1122IRHBT Overview

The MSP430F1122IRHBT is a low-power 16-bit microcontroller optimized for simple control and sensing tasks. It delivers a compact set of mixed-signal peripherals and basic serial connectivity in a small 20-pin package. Compared with larger MCUs, it uses far less energy in active and standby modes while still offering useful timing and analog functions for meter, sensor, and portable designs. For procurement and component-level details visit IC Manufacturer.

MSP430F1122IRHBT Technical Specifications

MSP430F1122IRHBT Key Features

• One 16-bit RISC core that delivers efficient code density and predictable cycle timing for control tasks.
• Integrated 10-bit ADC for direct sensor interfacing, which reduces the need for external converters and lowers BOM cost.
• Low-voltage operation from 1.8 V to 3.6 V, enabling battery-powered designs with fewer power-rail components.
• Small 20-pin package offering up to 16 GPIO lines, which improves board density compared with larger packages.
• 16 MHz maximum clock that balances higher throughput with low active and standby currents for energy-sensitive applications.
• Timer_A 16-bit timer for accurate PWM and timing functions needed in motor control, LED driving, and duty-cycle measurement.
• On-chip USI serial interface that supports common buses reducing external transceivers and simplifying PCB layout.
• Industrial temperature rating (-40 ??C to +85 ??C) for more reliable operation across wider ambient conditions.

Typical Applications

• Battery-powered sensor nodes where low supply voltage and minimal active/standby current extend battery life for months or years.
• Portable instrumentation that needs a 10-bit ADC and compact 20-pin footprint to digitize analog inputs with limited board area.
• Simple motor or actuator controllers requiring a 16-bit timer and PWM generation in compact, low-cost embedded assemblies.
• Consumer and industrial human-machine interfaces where a few GPIOs and serial connectivity provide keypad, LED, and comms control.

MSP430F1122IRHBT Advantages vs Typical Alternatives

The device provides a focused feature set that is smaller and more power-efficient than many 32-bit MCUs. With a 16-bit RISC core and up to 16 MHz clock, it offers higher efficiency per MHz for control tasks versus 8-bit parts. It integrates a 10-bit ADC and timer peripherals in a 20-pin package, reducing the need for extra components and lowering BOM cost. Its 1.8?C3.6 V range and industrial temperature support make it a compact, energy-optimized choice for sensor and portable designs.

MSP430F1122IRHBT Brand Info

The MSP430F1122IRHBT is part of the MSP430 family from Texas Instruments, a supplier known for low-power microcontrollers and analog integration. TI positions this series for efficient, low-cost control and sensing applications, emphasizing low energy use and strong peripheral integration for embedded systems.

FAQ

What core architecture does it use?

The device uses a 16-bit RISC architecture. That core delivers good code density and deterministic instruction timing suitable for control and sensing firmware.

What supply voltages are supported?

It supports a low-voltage supply range from 1.8 V to 3.6 V, enabling direct operation from single-cell lithium and many common battery chemistries without extra regulators.

Does it include an ADC for sensors?

Yes, a 10-bit on-chip ADC is integrated. This allows direct digitization of analog sensors and reduces external component count for typical measurement tasks.

What package is recommended for compact designs?

The part is available in a 20-pin TSSOP package. That package provides up to 16 usable GPIOs in a compact footprint for small PCBs and dense assemblies.

Is this device suitable for industrial use?

Yes. The device is rated for operation from -40 ??C to +85 ??C, covering standard industrial ambient conditions for many embedded controllers and field devices.