MSP430F2121IPWR 16-bit Microcontroller, TSSOP (PWR) Package

MSP430F2121IPWR Overview

The MSP430F2121IPWR is a low-power, 16-bit microcontroller designed for space- and energy-constrained industrial applications. It combines a 16-bit RISC core with integrated timers, analog peripherals, and multiple digital I/O in a compact TSSOP-20 package. The device targets battery-powered sensors, metering, and portable controls where lower active power and compact board area deliver cost and energy advantages. For component sourcing and manufacturer details visit IC Manufacturer.

MSP430F2121IPWR Technical Specifications

MSP430F2121IPWR Key Features

• 16-bit RISC core ?C delivers compact code density and faster integer math for control and signal tasks.
• Low-voltage operation (1.8?C3.6 V) ?C enables direct battery operation and simpler power-rail design.
• Integrated 10-bit ADC ?C reduces external components for analog sensing and improves system integration.
• TSSOP-20 package ?C saves PCB area while providing up to 16 usable I/O lines for mixed-signal designs.
• Timer_A module ?C supports PWM generation and precision timing for motor control and power stages.
• Ultra-low-power modes ?C minimize standby consumption to extend battery life in portable or remote systems.
• On-chip watchdog and comparator ?C increase system reliability with built-in fault detection and simple analog thresholds.

Typical Applications

• Battery-operated sensor nodes that require long run-time and reliable 10-bit analog measurement for environmental monitoring, asset tracking, and condition sensing.
• Portable medical devices where low supply current and single-cell battery compatibility simplify power design while maintaining accurate analog acquisition.
• Embedded metering and utility monitors that need compact packaging, stable timing from Timer_A, and on-chip ADC for voltage or current sensing tasks.
• Industrial control endpoints and simple motor drivers that benefit from PWM capability, watchdog supervision, and limited I/O count in small form factor boards.

MSP430F2121IPWR Advantages vs Typical Alternatives

The device offers a stronger low-power profile and simpler power supply needs than many 8-bit controllers because of 16-bit architecture and lower active current per MIPS. Its integrated 10-bit ADC and Timer_A reduce external components compared to discrete solutions. The TSSOP-20 package provides a smaller footprint than larger QFP alternatives while maintaining sufficient I/O. For designs prioritizing energy efficiency, compact layout, and modest analog capability, this part often yields lower system cost and lower standby energy.

MSP430F2121IPWR Brand Info

The MSP430F2121IPWR is part of the MSP430 family from Texas Instruments. Texas Instruments is a global semiconductor manufacturer known for analog and embedded processing solutions. This device inherits the MSP430 focus on ultra-low power, integrated mixed-signal peripherals, and broad toolchain support from TI??s ecosystem.

FAQ

What core architecture does it use?

The microcontroller uses a 16-bit RISC core optimized for low-power and compact code. This architecture provides efficient integer performance and allows smaller memory footprints versus many 8-bit alternatives.

Is the device suitable for battery operation?

Yes. The operating voltage from 1.8 to 3.6 volts supports single-cell and multi-cell battery arrangements. Low-power modes and modest active supply current extend battery life in portable applications.

How many I/O pins are available?

The TSSOP-20 package exposes up to 16 general-purpose I/O lines suitable for sensors, actuators, or serial interfaces. This balance supports compact boards without sacrificing interface options.

Does it include analog peripherals?

Yes. A 10-bit ADC and on-chip comparator allow direct connection of analog sensors and threshold detection without external ADC chips, simplifying BOM and PCB layout.

What development tools support this MCU?

Standard MSP430 development tools, compilers, and in-circuit debuggers that support the MSP430 family work with this device. TI??s development ecosystem provides examples, toolchain integration, and debug support for rapid prototyping.