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MSP430FR68721

ACTIVE

16 MHz MCU with 64KB FRAM, 2KB SRAM, 112 seg LCD, 12-bit ADC , comparator, DMA, UART/SPI/I2C, timer

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Data sheet
User guides
Errata
16 MHz MCU with 64KB FRAM, 2KB SRAM, 112 seg LCD, 12-bit ADC , comparator, DMA, UART/SPI/I2C, timer

MSP430FR68721

ACTIVE
Data sheet Order now

Product details

Non-volatile memory (kB) 64 RAM (KB) 2 ADC 12-bit SAR GPIO pins (#) 51 Features AES, DMA, LCD, Real-time clock UART 2 USB No Number of I2Cs 2 SPI 4 Comparator channels (#) 8
Non-volatile memory (kB) 64 RAM (KB) 2 ADC 12-bit SAR GPIO pins (#) 51 Features AES, DMA, LCD, Real-time clock UART 2 USB No Number of I2Cs 2 SPI 4 Comparator channels (#) 8
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LQFP (PM) 64 100 mm² 10 x 10 VQFN (RGC) 64 81 mm² 9 x 9
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  • Embedded Microcontroller
    • 16-Bit RISC Architecture up to 16-MHz Clock
    • Wide Supply Voltage Range From 3.6 V Down to 1.8 V (Minimum Supply Voltage is Restricted by SVS Levels, See the SVS Specifications)
  • Optimized Ultra-Low-Power Modes
    • Active Mode: Approximately 100 µA/MHz
    • Standby (LPM3 With VLO): 0.4 µA (Typical)
    • Real-Time Clock (RTC) (LPM3.5): 0.35 µA (Typical) (1)
    • Shutdown (LPM4.5): 0.04 µA (Typical)
  • Ultra-Low-Power Ferroelectric RAM (FRAM)
    • Up to 64KB of Nonvolatile Memory
    • Ultra-Low-Power Writes
    • Fast Write at 125 ns per Word (64KB in 4 ms)
    • Unified Memory = Program, Data, and Storage in One Single Space
    • 1015 Write Cycle Endurance
    • Radiation Resistant and Nonmagnetic
  • Intelligent Digital Peripherals
    • 32-Bit Hardware Multiplier (MPY)
    • Three-Channel Internal Direct Memory Access (DMA)
    • RTC With Calendar and Alarm Functions
    • Five 16-Bit Timers With up to Seven Capture/Compare Registers
    • 16-Bit and 32-Bit Cyclic Redundancy Checker (CRC16, CRC32)
  • High-Performance Analog
    • Up to 8-Channel Analog Comparator
    • 12-Bit Analog-to-Digital Converter (ADC) With Internal Reference and Sample-and-Hold and up to 8 External Input Channels
    • Integrated 116-Segment LCD Driver With Contrast Control
  • Code Security and Encryption
    • 128-Bit or 256-Bit AES Security Encryption and Decryption Coprocessor (MSP430FR69xx(1) Only)
    • True Random Number Seed for Random Number Generation Algorithm
    • Lockable Memory Segments for IP Encapsulation and Secure Storage
  • Multifunction Input/Output Ports
    • All I/O Pins Support Capacitive Touch Capability Without Need for External Components
    • Accessible Bit-, Byte- and Word-Wise (in Pairs)
    • Edge-Selectable Wakeup From LPM on Ports P1 to P4
    • Programmable Pullup and Pulldown on All Ports
  • Enhanced Serial Communication
    • eUSCI_A0 and eUSCI_A1 Support:
      • UART With Automatic Baud-Rate Detection
      • IrDA Encode and Decode
      • SPI at Rates up to 10 Mbps
    • eUSCI_B0 and eUSCI_B1 Support:
      • I2C With Multiple-Slave Addressing
      • SPI at Rates up to 10 Mbps
  • Flexible Clock System
    • Fixed-Frequency DCO With 10 Selectable Factory-Trimmed Frequencies
    • Low-Power Low-Frequency Internal Clock Source (VLO)
    • 32-kHz Crystals (LFXT)
    • High-Frequency Crystals (HFXT)
  • Development Tools and Software
    • Free Professional Development Environments With EnergyTrace++™ Technology for Power Profiling and Debugging
    • Microcontroller Development Boards Available
  • Family Members
    • Device Comparison Summarizes the Available Variants and Packages
  • For Complete Module Descriptions, See the MSP430FR58xx, MSP430FR59xx, and MSP430FR6xx Family User’s Guide

(1)The RTC is clocked by a 3.7-pF crystal.
  • Embedded Microcontroller
    • 16-Bit RISC Architecture up to 16-MHz Clock
    • Wide Supply Voltage Range From 3.6 V Down to 1.8 V (Minimum Supply Voltage is Restricted by SVS Levels, See the SVS Specifications)
  • Optimized Ultra-Low-Power Modes
    • Active Mode: Approximately 100 µA/MHz
    • Standby (LPM3 With VLO): 0.4 µA (Typical)
    • Real-Time Clock (RTC) (LPM3.5): 0.35 µA (Typical) (1)
    • Shutdown (LPM4.5): 0.04 µA (Typical)
  • Ultra-Low-Power Ferroelectric RAM (FRAM)
    • Up to 64KB of Nonvolatile Memory
    • Ultra-Low-Power Writes
    • Fast Write at 125 ns per Word (64KB in 4 ms)
    • Unified Memory = Program, Data, and Storage in One Single Space
    • 1015 Write Cycle Endurance
    • Radiation Resistant and Nonmagnetic
  • Intelligent Digital Peripherals
    • 32-Bit Hardware Multiplier (MPY)
    • Three-Channel Internal Direct Memory Access (DMA)
    • RTC With Calendar and Alarm Functions
    • Five 16-Bit Timers With up to Seven Capture/Compare Registers
    • 16-Bit and 32-Bit Cyclic Redundancy Checker (CRC16, CRC32)
  • High-Performance Analog
    • Up to 8-Channel Analog Comparator
    • 12-Bit Analog-to-Digital Converter (ADC) With Internal Reference and Sample-and-Hold and up to 8 External Input Channels
    • Integrated 116-Segment LCD Driver With Contrast Control
  • Code Security and Encryption
    • 128-Bit or 256-Bit AES Security Encryption and Decryption Coprocessor (MSP430FR69xx(1) Only)
    • True Random Number Seed for Random Number Generation Algorithm
    • Lockable Memory Segments for IP Encapsulation and Secure Storage
  • Multifunction Input/Output Ports
    • All I/O Pins Support Capacitive Touch Capability Without Need for External Components
    • Accessible Bit-, Byte- and Word-Wise (in Pairs)
    • Edge-Selectable Wakeup From LPM on Ports P1 to P4
    • Programmable Pullup and Pulldown on All Ports
  • Enhanced Serial Communication
    • eUSCI_A0 and eUSCI_A1 Support:
      • UART With Automatic Baud-Rate Detection
      • IrDA Encode and Decode
      • SPI at Rates up to 10 Mbps
    • eUSCI_B0 and eUSCI_B1 Support:
      • I2C With Multiple-Slave Addressing
      • SPI at Rates up to 10 Mbps
  • Flexible Clock System
    • Fixed-Frequency DCO With 10 Selectable Factory-Trimmed Frequencies
    • Low-Power Low-Frequency Internal Clock Source (VLO)
    • 32-kHz Crystals (LFXT)
    • High-Frequency Crystals (HFXT)
  • Development Tools and Software
    • Free Professional Development Environments With EnergyTrace++™ Technology for Power Profiling and Debugging
    • Microcontroller Development Boards Available
  • Family Members
    • Device Comparison Summarizes the Available Variants and Packages
  • For Complete Module Descriptions, See the MSP430FR58xx, MSP430FR59xx, and MSP430FR6xx Family User’s Guide

(1)The RTC is clocked by a 3.7-pF crystal.

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This ultra-low-power MSP430FRxx FRAM microcontroller family consists of several devices featuring embedded nonvolatile FRAM, a 16-bit CPU, and different sets of peripherals targeted for various applications. The architecture, FRAM, and peripherals, combined with seven low-power modes, are optimized to achieve extended battery life in portable and wireless sensing applications. FRAM is a new nonvolatile memory that combines the speed, flexibility, and endurance of SRAM with the stability and reliability of flash, all at lower total power consumption.

This ultra-low-power MSP430FRxx FRAM microcontroller family consists of several devices featuring embedded nonvolatile FRAM, a 16-bit CPU, and different sets of peripherals targeted for various applications. The architecture, FRAM, and peripherals, combined with seven low-power modes, are optimized to achieve extended battery life in portable and wireless sensing applications. FRAM is a new nonvolatile memory that combines the speed, flexibility, and endurance of SRAM with the stability and reliability of flash, all at lower total power consumption.

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Technical documentation

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Type Title Date
* Data sheet MSP430FR697x(1), MSP430FR687x(1), MSP430FR692x(1), MSP430FR682x(1) Mixed‑Signal Microcontrollers datasheet (Rev. E) 30 Aug 2018
* Errata MSP430FR68721 Device Erratasheet (Rev. S) 09 Oct 2019
* User guide MSP430FR58xx, MSP430FR59xx, and MSP430FR6xx Family User's Guide (Rev. P) 21 Apr 2020
Application note ESD Diode Current Specification (Rev. B) 23 Aug 2021
Application note MSP430 FRAM Technology – How To and Best Practices (Rev. B) 12 Aug 2021
Application note MSP430 System-Level ESD Considerations (Rev. B) 14 Jul 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
White paper Capacitive Touch and MSP Microcontrollers (Rev. A) 27 Apr 2017
Application note Migrating From MSP430F4xx Family to MSP430FR58xx/FR59xx/FR68xx/FR69xx Family (Rev. B) 03 Nov 2016
Application note Migrating from the MSP430F2xx,G2xx Family to the MSP430FR58xx/FR59xx/68xx/69xx (Rev. E) 03 Nov 2016
Application note Migrating from the MSP430F5xx,F6xx Family to the MSP430FR58xx/FR59xx/68xx Family (Rev. D) 03 Nov 2016
Application note General Oversampling of MSP ADCs for Higher Resolution (Rev. A) 01 Apr 2016
Application note Designing With the MSP430FR58xx, FR59xx, FR68xx, and FR69xx ADC (Rev. A) 30 Mar 2016
Application note MSP Code Protection Features 07 Dec 2015
White paper Building Automation with MSP MCUs 27 Jul 2015
Application note Designing With MSP430™ MCUs and Segment LCDs (Rev. A) 20 Jul 2015
White paper Revolutionizing context save and restore with MSP FRAM microcontrollers 11 May 2015
White paper If you don’t plan to scale, you plan to fail (Rev. A) 09 Feb 2015
Application note Getting Started With EEMBC ULPBench on MSP-EXP430FR5969 (Rev. A) 29 Jan 2015
White paper Closing the security gap with TI’s MSP430™ FRAM-based microcontrollers 15 Sep 2014
White paper Simplify LCD designs and reduce power consumption 26 Aug 2014
White paper System advantages of mixed signal integration 17 Jun 2014
Application note MSP430 Advanced Power Optimizations: ULP Advisor SW and EnergyTrace Technology 09 Jun 2014
Application note MSP430 FRAM Quality and Reliability (Rev. A) 01 May 2014
White paper FRAM FAQs 23 Apr 2014
White paper Benchmarking des Mikrocontroller-Stromverbrauchs für Anwendungen mit extrem ger 08 Mar 2013
White paper Benchmarking MCU power consumption for ultra-low-power applications 26 Oct 2012

Design & development

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

Development kit

MSP-EXP430FR6989 — MSP430FR6989 LaunchPad Development Kit

The MSP-EXP430FR6989 LaunchPad Development Kit is an easy-to-use Evaluation Module (EVM) for the MSP40FR6989 microcontroller (MCU). It contains everything needed to start developing on the ultra-low-power MSP430FRx FRAM microcontroller platform, including on-board emulation for programming, (...)

document-pdfAcrobat User guide
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Development kit

MSP-FET430U64F — MSP-FET430U64F - MSP430 64-pin FRAM TS Board and MSP-FET Bundle (Microcontrollers not included)

Note: This bundle does not include MSP430 microcontroller samples. To sample the compatible devices, please visit the product page or select the related MCU after adding the tool to the TI Store cart:

The MSP-FET430U64F is a bundle containing the MSP-FET emulator and a standalone (...)

document-pdfAcrobat User guide
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Development kit

MSP-TS430PM64F — MSP-TS430PM64F - MSP430 64-pin FRAM Target Socket Board (Microcontrollers not included)

Note: This kit does not include MSP430 microcontroller samples. To sample the compatible devices, please visit the product page or select the related MCU after adding the tool to the TI Store cart:

The MSP-TS430PM64F is a standalone 64-pin ZIF socket target board used to program (...)

document-pdfAcrobat User guide
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 (...)

document-pdfAcrobat User guide
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 (...)

document-pdfAcrobat User guide
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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 (...)

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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 (...)
Download options
Driver or library

MSP-FRAM-UTILITIES — FRAM embedded software utilities for MSP ultra-low-power microcontrollers

The Texas Instruments FRAM Utilities is designed to grow as a collection of embedded software utilities that leverage the ultra-low-power and virtually unlimited write endurance of FRAM. The utilities are available for MSP430FRxx FRAM microcontrollers and provide example code to help start (...)
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Driver or library

MSPMATHLIB — Floating Point Math Library for MSP430

MSPMathLib is an accelerated floating point math library for MSP430™ MCUs that delivers up to 26x faster computation for the most commonly used math functions. The library seamlessly integrates with projects to replace floating point math functions such as sin, cos, tan, log, exp and sqrt, (...)
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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, (...)

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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 (...)

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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
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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 (...)

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Support software

MSP430FR592x, MSP430FR5x7x, MSP430FR6x2x, MSP430FR6x7x Code Examples (Rev. F)

SLAC686F.ZIP (209 KB)
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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.

(...)

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Reference designs

TIDM-FRAM-EEPROM — EEPROM Emulation and Sensing With MSP430 FRAM Microcontrollers

This reference design describes an implementation of emulating electrically-erasable programmable read-only memory (EEPROM) using Ferroelectric Random Access Memory (FRAM) technology on MSP430™ ultra-low-power microcontrollers (MCUs) combined with the additional sensing capabilities that can (...)
document-pdfAcrobat Schematic
Package Pins Download
LQFP (PM) 64 View options
VQFN (RGC) 64 View options

Ordering & quality

Information included:
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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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