MSP430G2121IPW14 16-bit Low-Power Microcontroller, 14-Pin IPW14 Package

MSP430G2121IPW14 Overview

The MSP430G2121IPW14 is a low-power 16-bit microcontroller in a compact 14-pin package optimized for battery-powered and space-constrained designs. It combines a 16-bit RISC core with a minimal peripheral set to deliver efficient code density, lower active energy per operation, and simpler BOM compared with larger MCUs. Designers can leverage fewer pins and smaller footprints to reduce cost and board area. For component sourcing and manufacturer details visit IC Manufacturer.

MSP430G2121IPW14 Technical Specifications

MSP430G2121IPW14 Key Features

• 16?bit RISC core??delivers higher code density and more efficient arithmetic than typical 8?bit MCUs.
• Ultra?low operating voltage (1.8?C3.6 V)??enables longer run times and compatibility with single?cell Li?ion or multiple AA/AAA cells.
• Small 14?pin package??reduces PCB area and BOM compared with 20?pin or larger packages while retaining essential I/O.
• Integrated low?power modes??minimizes standby current to extend battery life in always?on or duty?cycled systems.

Typical Applications

• Low?power sensor nodes and portable metering where minimal power draw and compact 14?pin footprints reduce cost and board space for battery operation.
• Simple industrial controls and human?machine interfaces that require precise timing, watchdog supervision, and stable operation across -40 ??C to +85 ??C.
• Consumer handheld devices and remotes where a small MCU with efficient code density replaces larger controllers to lower BOM and extend battery life.
• Embedded controllers for power?sensitive peripherals??such as motor controllers or instrumentation front?ends??that need predictable timing and low sleep currents.

MSP430G2121IPW14 Advantages vs Typical Alternatives

The device offers a clear advantage for cost?sensitive, battery?powered designs by combining a 16?bit core with only 14 pins and low operating voltage. Compared with many 8?bit alternatives, it provides better arithmetic efficiency and more compact code, often reducing memory needs by measurable margins. Versus larger MSP430 variants, the smaller package and minimal peripheral set lower price and board area while preserving essential timing and power?saving features.

MSP430G2121IPW14 Brand Info

The MSP430 family is manufactured by Texas Instruments, a global supplier of analog and embedded processing solutions. This part aligns with TI’s value?line MSP430 devices focused on ultra?low power, predictable performance, and broad support across development tools and application notes.

FAQ

What core does it use?

The part uses a 16?bit RISC CPU optimized for low?power operation and efficient code density compared with typical 8?bit microcontrollers.

What is the supply voltage range?

Rated for low?voltage systems, the device operates across a range that supports single?cell and common battery chemistries, enabling longer battery life in portable applications.

How many I/O pins are available?

The 14?pin package provides up to eight usable digital I/O lines, allowing direct interfacing to sensors, switches, and simple actuators while keeping the PCB footprint small.

Is it suitable for battery?powered designs?

Yes. It includes multiple low?power modes and a low active voltage range, making it a practical choice for battery?driven applications requiring months or years of operation.

Where to find development resources?

Development tools, reference designs, and application notes for the MSP430 family are available from the manufacturer’s technical support channels and development ecosystems to speed evaluation and deployment.