Texas Instruments MSP430G2212IPW14R

Overview

MSP430G2212IPW14R from Texas Instruments is an ultra-low-power 16-bit RISC microcontroller in a 14-pin TSSOP package, featuring 2 kB flash, 256 B RAM, one 16-bit Timer_A with three capture/compare registers, USI supporting SPI and I²C, and an on-chip analog comparator. It operates from 1.8 V to 3.6 V and targets battery-powered sensor nodes and portable instrumentation.

For engineers reviewing the MSP430G2212IPW14R datasheet, MSP430G2212IPW14R pinout, MSP430G2212IPW14R application, or MSP430G2212IPW14R equivalent, key selection criteria include its 2 kB flash capacity, 256 B RAM, 14-pin TSSOP footprint, ultra-low standby current (0.5 µA), and integrated USI for compact serial interface design.

Technical Context

The MSP430G2212IPW14R implements a 16-bit CPU with seven addressing modes and 51 instructions, executing register-to-register operations in one CPU cycle. Its basic clock module integrates a digitally controlled oscillator (DCO) calibrated at four frequencies up to 16 MHz, plus LF and VLO oscillators - enabling sub-1 µs wake-up from LPM4.

It supports five low-power modes (LPM0–LPM4), with active-mode current of 220 µA at 1 MHz/2.2 V. The USI module provides hardware-level SPI and I²C protocol handling without CPU intervention, while the analog comparator enables threshold detection and slope ADC functionality.

Key Specifications

Pinout & Package

Package: 14-pin TSSOP (PW), body size 5.0 mm × 4.4 mm, 0.65 mm pitch, lead-free and RoHS compliant.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar microcontroller applications.

Compared with MSP430G2232IPW14R, the MSP430G2212IPW14R omits ADC10 to reduce cost and power in comparator-only or digital-only systems; versus MSP430G2112IPW14R, it doubles RAM and flash for more complex state machines and communication stacks.

Availability

MSP430G2212IPW14R is available at Aetrix Electronics and suitable for smart sensor nodes, portable medical devices, and industrial control panels requiring stable component supply, long-term manufacturability, and TI's qualified ultra-low-power MCU platform.

Supply support for MSP430G2212IPW14R includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Texas Instruments is a global semiconductor leader delivering analog, embedded processing, and connectivity solutions for industrial, automotive, and consumer markets.

The MSP430G2xx series is designed for ultra-low-power embedded applications where extended battery life, compact footprint, and integrated analog/mixed-signal peripherals are essential - targeting sensor interfaces, wearables, and energy-harvesting systems.

FAQ

What is the maximum operating frequency of the MSP430G2212IPW14R?

The MSP430G2212IPW14R features a digitally controlled oscillator (DCO) calibrated at four factory-set frequencies up to 16 MHz. While the DCO can be tuned beyond these points, the guaranteed maximum operating frequency per datasheet is 16 MHz at VCC ≥ 2.2 V. At 1.8 V, the maximum reliable frequency is 12 MHz. All timing-critical peripherals - including Timer_A and USI - are fully functional within this range.

Does the MSP430G2212IPW14R support hardware UART communication?

No, the MSP430G2212IPW14R does not include a dedicated UART peripheral. It features a Universal Serial Interface (USI) module that supports hardware SPI and I²C protocols only. UART functionality must be implemented in software using Timer_A and GPIO pins - a common practice in ultra-low-power designs where asynchronous serial traffic is infrequent and latency-tolerant.

Can the MSP430G2212IPW14R drive LEDs directly from its I/O pins?

Yes, the MSP430G2212IPW14R I/O pins support up to ±2 mA sink/source per pin (with total package limit of ±48 mA), making them suitable for driving low-current indicator LEDs directly. For higher-current LEDs or multiplexed displays, external drivers are recommended. The integrated Timer_A supports PWM generation on multiple pins, enabling brightness control without CPU overhead.

Is the MSP430G2212IPW14R pin-compatible with other devices in the MSP430G2xx family?

The MSP430G2212IPW14R shares the same 14-pin TSSOP (PW) package and pinout with all other MSP430G2xx devices offered in that variant, including MSP430G2112IPW14R, MSP430G2232IPW14R, and MSP430G2412IPW14R. However, pin functionality differs across variants - for example, ADC10-related pins on MSP430G2232IPW14R are general-purpose I/O on MSP430G2212IPW14R. PCB layout is mechanically compatible, but firmware and peripheral configuration must match the specific device.

What debug interface does the MSP430G2212IPW14R use?

The MSP430G2212IPW14R uses the two-wire Spy-Bi-Wire (SBW) interface via pins RST/NMI/SBWTDIO (Pin 10) and TEST/SBWTCK (Pin 11). This interface supports full-speed debugging, flash programming, and real-time memory inspection using TI's MSP-FET or compatible tools. It replaces the traditional 4-wire JTAG interface to save board space and reduce pin count while maintaining full development capability.