Product details

Non-volatile memory (kB) 4 RAM (KB) 0.5 ADC 10-bit SAR GPIO pins (#) 24 Features Real-time clock, Brown out detector UART 1 USB No Number of I2Cs 1 SPI 2 Comparator channels (#) 8
Non-volatile memory (kB) 4 RAM (KB) 0.5 ADC 10-bit SAR GPIO pins (#) 24 Features Real-time clock, Brown out detector UART 1 USB No Number of I2Cs 1 SPI 2 Comparator channels (#) 8
TSSOP (PW) 28 62 mm² 9.7 x 6.4 VQFN (RHB) 32 25 mm² 5.0 x 5.0 VQFN (RHB) 32 25 mm² 5 x 5 WQFN (RTV) 32 25 mm² 5 x 5
  • Low Supply Voltage Range: 1.8 V to 3.6 V
  • Ultra-Low Power Consumption
    • Active Mode: 250 µA at 1 MHz, 2.2 V
    • Standby Mode: 0.7 µA
    • Off Mode (RAM Retention): 0.1 µA
  • Ultra-Fast Wake-Up From Standby Mode in Less Than 1 µs
  • 16-Bit RISC Architecture, 62.5-ns Instruction Cycle Time
  • Basic Clock Module Configurations
    • Internal Frequencies up to 16 MHz With Four Calibrated Frequencies to ±1%
    • Internal Very-Low-Power Low-Frequency Oscillator
    • 32-kHz Crystal
    • High-Frequency (HF) Crystal up to 16 MHz
    • Resonator
    • External Digital Clock Source
    • External Resistor
  • 16-Bit Timer0_A3 With Three Capture/Compare Registers
  • 16-Bit Timer1_A2 With Two Capture/Compare Registers
  • On-Chip Comparator for Analog Signal Compare Function or Slope Analog-to-Digital (A/D) Conversion
  • 10-Bit 200-ksps A/D Converter With Internal Reference, Sample-and-Hold, Autoscan, and Data Transfer Controller
  • Universal Serial Communication Interface
    • Enhanced UART Supporting Auto-Baudrate Detection (LIN)
    • IrDA Encoder and Decoder
    • Synchronous SPI
    • I2C™
  • Brownout Detector
  • Serial Onboard Programming, No External Programming Voltage Needed, Programmable Code Protection by Security Fuse
  • Bootstrap Loader
  • On-Chip Emulation Module
  • Family Members Include:
    • MSP430F2132: 8KB + 256B Flash Memory, 512B RAM
    • MSP430F2122: 4KB + 256B Flash Memory, 512B RAM
    • MSP430F2112: 2KB + 256B Flash Memory, 256B RAM
  • Available in 28-Pin TSSOP (PW) and 32-Pin QFN (RHB or RTV) Packages
  • For Complete Module Descriptions, See the MSP430x2xx Family User's Guide, Literature Number SLAU144

  • Low Supply Voltage Range: 1.8 V to 3.6 V
  • Ultra-Low Power Consumption
    • Active Mode: 250 µA at 1 MHz, 2.2 V
    • Standby Mode: 0.7 µA
    • Off Mode (RAM Retention): 0.1 µA
  • Ultra-Fast Wake-Up From Standby Mode in Less Than 1 µs
  • 16-Bit RISC Architecture, 62.5-ns Instruction Cycle Time
  • Basic Clock Module Configurations
    • Internal Frequencies up to 16 MHz With Four Calibrated Frequencies to ±1%
    • Internal Very-Low-Power Low-Frequency Oscillator
    • 32-kHz Crystal
    • High-Frequency (HF) Crystal up to 16 MHz
    • Resonator
    • External Digital Clock Source
    • External Resistor
  • 16-Bit Timer0_A3 With Three Capture/Compare Registers
  • 16-Bit Timer1_A2 With Two Capture/Compare Registers
  • On-Chip Comparator for Analog Signal Compare Function or Slope Analog-to-Digital (A/D) Conversion
  • 10-Bit 200-ksps A/D Converter With Internal Reference, Sample-and-Hold, Autoscan, and Data Transfer Controller
  • Universal Serial Communication Interface
    • Enhanced UART Supporting Auto-Baudrate Detection (LIN)
    • IrDA Encoder and Decoder
    • Synchronous SPI
    • I2C™
  • Brownout Detector
  • Serial Onboard Programming, No External Programming Voltage Needed, Programmable Code Protection by Security Fuse
  • Bootstrap Loader
  • On-Chip Emulation Module
  • Family Members Include:
    • MSP430F2132: 8KB + 256B Flash Memory, 512B RAM
    • MSP430F2122: 4KB + 256B Flash Memory, 512B RAM
    • MSP430F2112: 2KB + 256B Flash Memory, 256B RAM
  • Available in 28-Pin TSSOP (PW) and 32-Pin QFN (RHB or RTV) Packages
  • For Complete Module Descriptions, See the MSP430x2xx Family User's Guide, Literature Number SLAU144

The Texas Instruments MSP430 family of ultra-low-power microcontrollers consists of several devices featuring different sets of peripherals targeted for various applications. The architecture, combined with five low-power modes, is optimized to achieve extended battery life in portable measurement applications. The device features a powerful 16-bit RISC CPU, 16-bit registers, and constant generators that contribute to maximum code efficiency. The digitally controlled oscillator (DCO) allows wake-up from low-power modes to active mode in less than 1 µs.

The MSP430F21x2 series is an ultra-low-power microcontroller with two built-in 16-bit timers, a fast 10-bit A/D converter with integrated reference and a data transfer controller (DTC), a comparator, built-in communication capability using the universal serial communication interface, and up to 24 I/O pins.

The Texas Instruments MSP430 family of ultra-low-power microcontrollers consists of several devices featuring different sets of peripherals targeted for various applications. The architecture, combined with five low-power modes, is optimized to achieve extended battery life in portable measurement applications. The device features a powerful 16-bit RISC CPU, 16-bit registers, and constant generators that contribute to maximum code efficiency. The digitally controlled oscillator (DCO) allows wake-up from low-power modes to active mode in less than 1 µs.

The MSP430F21x2 series is an ultra-low-power microcontroller with two built-in 16-bit timers, a fast 10-bit A/D converter with integrated reference and a data transfer controller (DTC), a comparator, built-in communication capability using the universal serial communication interface, and up to 24 I/O pins.

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Technical documentation

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Type Title Date
* Data sheet MSP430F21x2 Mixed Signal Microcontroller datasheet (Rev. J) 18 Jan 2012
* Errata MSP430F2122 Microcontroller Errata (Rev. N) 18 Jun 2021
* User guide MSP430x2xx Family User's Guide (Rev. J) 01 Jul 2013
Application note ESD Diode Current Specification (Rev. B) 23 Aug 2021
Application note Migrating from MSP430 F2xx and G2xx families to MSP430 FR4xx and FR2xx family (Rev. G) 02 Aug 2021
User guide MSP430 MCUs Development Guide Book (Rev. A) 13 May 2021
Technical article A world of possibilities: 5 ways to use MSP430™︎ MCUs in your design 29 Apr 2021
Application note MSP430 System ESD Troubleshooting Guide 13 Dec 2019
Application note Programming a Flash-Based MSP430 MCU Using the JTAG Interface (Rev. H) 15 Mar 2019
Application note Interfacing the 3-V MSP430 MCU to 5-V Circuits (Rev. A) 03 Oct 2018
Application note MSP430 Flash Memory Characteristics (Rev. B) 24 Aug 2018
Application note QFN and SON PCB Attachment (Rev. B) 24 Aug 2018
Application note Understanding MSP430 Flash Data Retention (Rev. A) 24 Aug 2018
Application note Mixing C and Assembler With MSP430™ MCUs (Rev. A) 07 Aug 2018
Application note Using the TPS3619 With MSP430 Microcontrollers (Rev. B) 06 Aug 2018
Application note MSP430 LFXT1 Oscillator Accuracy (Rev. A) 03 Aug 2018
Application note Efficient Multiplication and Division Using MSP430 MCUs (Rev. A) 18 Jul 2018
Application note CRC Implementation with MSP430 MCUs (Rev. A) 21 Jun 2018
Application note Implementing An Ultra-Low-Power Keypad Interface With MSP430 MCUs (Rev. A) 22 May 2018
Application note Li-Ion Battery Charger Solution Using an MSP430™ MCU (Rev. A) 18 May 2018
Application note Random Number Generation Using MSP430™ MCUs (Rev. A) 16 May 2018
Application note Wave Digital Filtering Using an MSP430 MCU (Rev. A) 16 May 2018
Application note Migrating From MSP430F12x(2) to MSP430F21x2 MCUs (Rev. A) 04 May 2018
Application note Software Coding Techniques for MSP430™ MCUs (Rev. B) 14 Mar 2018
Application note MSP430 32-kHz Crystal Oscillators (Rev. D) 18 Jul 2017
Application note Migrating from the MSP430F2xx,G2xx Family to the MSP430FR58xx/FR59xx/68xx/69xx (Rev. E) 03 Nov 2016
Application note Advanced Debugging Using the Enhanced Emulation Module (EEM) With CCS v6 (Rev. F) 06 Sep 2016
Application note General Oversampling of MSP ADCs for Higher Resolution (Rev. A) 01 Apr 2016
Application note MSP Code Protection Features 07 Dec 2015
Application note Design Considerations When Using the MSP430 Graphics Library 05 Oct 2012
Application note Migrating from the USCI Module to the eUSCI Module (Rev. A) 13 Sep 2012
White paper Power Management Solutions for Ultra-Low-Power 16-Bit MSP430 MCUs (Rev. D) 28 Mar 2012
Application note Migrating from the MSP430F2xx Family to the MSP430FR57xx Family (Rev. A) 16 Feb 2012
Application note Powering the MSP430 from a High Voltage Input using the TPS62122 (Rev. C) 12 Jan 2012
Application note 1.8V – 5.5V Input, High-Efficiency DCDC Converter Reference Design for MSP430 (Rev. B) 14 Jun 2010
Application note Tiny DCDC Converter Reference Design (Rev. A) 14 Jun 2010

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Development kit

MSP-TS430DW28 — MSP-TS430DW28 - 28-pin Target Development Board for MSP430F1x and MSP430F2x MCUs

The MSP-TS430DW28 is a standalone ZIF socket target board used to program and debug the MSP430 MCU in-system through the JTAG interface or the Spy Bi-Wire (2-wire JTAG) protocol.

Device Support: The MSP-TS430DW28 development board supports MSP430F11x1, MSP430F11x2, MSP430F12x, MSP430F12x2 and (...)

In stock
Limit: 10
Development kit

MSP-TS430PW28 — MSP-TS430PW28 - 28-pin Target Development Board for MSP430F1x and MSP430F2x MCUs

The MSP-TS430PW28 is a standalone ZIF socket target board used to program and debug the MSP430 in-system through the JTAG interface or the Spy Bi-Wire (2-wire JTAG) protocol. The development board supports some MSP430F Flash parts in a 28-pin TSSOP package (TI package code: PW). Please check your (...)

In stock
Limit: 10
Hardware programming tool

MSP-FET — MSP MCU Programmer and Debugger

The MSP-FET is a powerful emulation development tool – often called a debug probe – which allows users to quickly begin development on MSP low-power microcontrollers (MCU).

It supports programming and real-time debugging over both JTAG and SBW interfaces. Furthermore, the MSP-FET also provides a (...)

In stock
Limit: 999999999
Hardware programming tool

MSP-GANG — MSP-GANG production programmer

The MSP Gang Programmer (MSP-GANG) is a MSP430™/MSP432™ device programmer that can program up to eight identical MSP430/MSP432 Flash or FRAM devices at the same time. It connects to a host PC using a standard RS-232 or USB connection and provides flexible programming options that allow (...)

Software development kit (SDK)

MSPWARE — MSP430Ware for MSP Microcontrollers

MSP430Ware is a collection of resources that help users to effectively create and build MSP430 code. These resources support ALL MSP430 microcontrollers (MCUs). As one user mentioned, “It’s essentially everything developers need to become MSP430 microcontroller experts!”

This complete collection of (...)

Code example or demo

MSP430F21x2 Code Examples (Rev. J)

SLAC163J.ZIP (900 KB)
Driver or library

MSP-DSPLIB — Digital Signal Processing (DSP) Library for MSP430 Microcontrollers

The TI MSP430™ Digital Signal Processing library is a set of optimized functions to perform common signal processing operations for MSP430 microcontrollers. These functions are used in applications where processing-intensive transforms are done in real-time for minimal energy and with very (...)
Driver or library

MSP-GRLIB — MSP Graphics Library

The MSP Graphics Library is a royalty-free set of graphics primitives for displaying images or creating graphical user interfaces (GUIs) on MSP430 and MSP432 microcontroller-based boards that use a graphical display. The graphics library consists of two functional layers: 1) the display driver layer (...)
IDE, configuration, compiler or debugger

CCSTUDIO-MSP — Code Composer Studio™ Integrated Development Environment for MSP Microcontrollers

Code Composer Studio is an integrated development environment (IDE) that supports TI's Microcontroller and Embedded Processors portfolio. Code Composer Studio comprises a suite of tools used to develop and debug embedded applications. It includes an optimizing C/C++ compiler, source code editor (...)

IDE, configuration, compiler or debugger

ENERGYTRACE — EnergyTrace Technology

EnergyTrace™ software for MSP430™ MCUs, MSP432™ MCUs, CC13xx wireless MCUs and CC26xx wireless MCUs is an energy-based code analysis tool that measures and displays the energy profile of an application and helps optimize it for ultra-low-power consumption.

As most developers know, it is difficult to (...)

IDE, configuration, compiler or debugger

IAR-KICKSTART — IAR Embedded Workbench

IAR Embedded Workbench delivers a complete development toolchain for building and debugging embedded applications for your selected target microcontroller. The included IAR C/C++ Compiler generates highly optimized code for your application, and the C-SPY Debugger is a fully integrated debugger for (...)
From: IAR Systems
Software programming tool

UNIFLASH — UniFlash stand-alone flash tool for microcontrollers, Sitara™; processors and SimpleLink™

Supported devices: CC13xx, CC25xx, CC26xx, CC3x20, CC3x30, CC3x35, Tiva, C2000, MSP43x, Hercules, PGA9xx, IWR12xx, IWR14xx, IWR16xx, IWR18xx , IWR68xx, AWR12xx, AWR14xx, AWR16xx, AWR18xx.  Command line only: AM335x, AM437x, AM571x, AM572x, AM574x, AM65XX, K2G

CCS Uniflash is a standalone tool used to (...)

Design tool

MSP-3P-SEARCH — MSP Third party search tool

TI has partnered with multiple companies to offer a wide range of solutions and services for TI MSP devices. These companies can accelerate your path to production using MSP devices. Download this search tool to quickly browse third-party details and find the right third-party to meet your needs.

The (...)

Package Pins Download
TSSOP (PW) 28 View options
VQFN (RHB) 32 View options
WQFN (RTV) 32 View options

Ordering & quality

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  • REACH
  • Device marking
  • Lead finish/Ball material
  • MSL rating/Peak reflow
  • MTBF/FIT estimates
  • Material content
  • Qualification summary
  • Ongoing reliability monitoring

Support & training

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