MSP430FR68891

ACTIVE

Rotary Sensing MCU with extended scan interface, 128KB FRAM, LCD, I2C Bootloader for flow meter

MSP430FR68891

ACTIVE

Product details

CPU MSP430 Frequency (MHz) 16 Flash memory (kByte) 128 RAM (kByte) 2 ADC type 12-bit SAR Features Advanced sensing, DMA, LCD, Real-time clock, Scan interface UART 2 Number of ADC channels 16 SPI 4 USB No Operating temperature range (°C) -40 to 85 Rating Catalog Communication interface I2C, SPI, UART Operating system BareMetal (No OS), TI RTOS Hardware accelerators 0 Nonvolatile memory (kByte) 128 Number of GPIOs 83 Number of I2Cs 2 Security Secure debug, Software IP protection
CPU MSP430 Frequency (MHz) 16 Flash memory (kByte) 128 RAM (kByte) 2 ADC type 12-bit SAR Features Advanced sensing, DMA, LCD, Real-time clock, Scan interface UART 2 Number of ADC channels 16 SPI 4 USB No Operating temperature range (°C) -40 to 85 Rating Catalog Communication interface I2C, SPI, UART Operating system BareMetal (No OS), TI RTOS Hardware accelerators 0 Nonvolatile memory (kByte) 128 Number of GPIOs 83 Number of I2Cs 2 Security Secure debug, Software IP protection
LQFP (PN) 80 196 mm² 14 x 14 LQFP (PZ) 100 256 mm² 16 x 16
  • 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): 0.02 µA (Typical)
  • Ultra-Low-Power Ferroelectric RAM (FRAM)
    • Up to 128KB of Nonvolatile Memory
    • Ultra-Low-Power Writes
    • Fast Write at 125 ns per Word (64KB in 4 ms)
    • Unified Memory = Program + Data + 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 7 Capture/Compare Registers Each
    • 16-Bit and 32-Bit Cyclic Redundancy Checker (CRC16, CRC32)
  • High-Performance Analog
    • Extended Scan Interface (ESI) for Background Water, Heat, and Gas Volume Measurement
    • 16-Channel Analog Comparator
    • 12-Bit Analog-to-Digital Converter (ADC) With Internal Reference and Sample-and-Hold and up to 16 External Input Channels
    • Integrated LCD Driver With Contrast Control for up to 320 Segments
  • Multifunction Input/Output Ports
    • All P1 to P10 and PJ 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, P2, P3, and P4
    • Programmable Pullup and Pulldown on All Ports
  • Code Security
    • True Random Number Seed for Random Number Generation Algorithm
  • Enhanced Serial Communication
    • eUSCI_A0 and eUSCI_A1 Support:
      • UART With Automatic Baud-Rate Detection
      • IrDA Encode and Decode
      • SPI
    • eUSCI_B0 and eUSCI_B1 Support:
      • I2C With Multiple-Slave Addressing
      • SPI
    • Hardware UART and I2C Bootloader (BSL)
  • 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
    • Experimenter and Development Kits
  • Family Members
    • Device Comparison Summarizes the Device Variants and Available Packages Types
  • For Complete Module Descriptions, See the MSP430FR58xx, MSP430FR59xx, and MSP430FR6xx Family User’s Guide

(1)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): 0.02 µA (Typical)
  • Ultra-Low-Power Ferroelectric RAM (FRAM)
    • Up to 128KB of Nonvolatile Memory
    • Ultra-Low-Power Writes
    • Fast Write at 125 ns per Word (64KB in 4 ms)
    • Unified Memory = Program + Data + 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 7 Capture/Compare Registers Each
    • 16-Bit and 32-Bit Cyclic Redundancy Checker (CRC16, CRC32)
  • High-Performance Analog
    • Extended Scan Interface (ESI) for Background Water, Heat, and Gas Volume Measurement
    • 16-Channel Analog Comparator
    • 12-Bit Analog-to-Digital Converter (ADC) With Internal Reference and Sample-and-Hold and up to 16 External Input Channels
    • Integrated LCD Driver With Contrast Control for up to 320 Segments
  • Multifunction Input/Output Ports
    • All P1 to P10 and PJ 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, P2, P3, and P4
    • Programmable Pullup and Pulldown on All Ports
  • Code Security
    • True Random Number Seed for Random Number Generation Algorithm
  • Enhanced Serial Communication
    • eUSCI_A0 and eUSCI_A1 Support:
      • UART With Automatic Baud-Rate Detection
      • IrDA Encode and Decode
      • SPI
    • eUSCI_B0 and eUSCI_B1 Support:
      • I2C With Multiple-Slave Addressing
      • SPI
    • Hardware UART and I2C Bootloader (BSL)
  • 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
    • Experimenter and Development Kits
  • Family Members
    • Device Comparison Summarizes the Device Variants and Available Packages Types
  • For Complete Module Descriptions, See the MSP430FR58xx, MSP430FR59xx, and MSP430FR6xx Family User’s Guide

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

The MSP430™ ultra-low-power (ULP) FRAM platform combines uniquely embedded FRAM and a holistic ultra-low-power system architecture, allowing innovators to increase performance at lowered energy budgets. FRAM technology combines the speed, flexibility, and endurance of SRAM with the stability and reliability of flash at much lower power.

The MSP430 ULP FRAM portfolio consists of a diverse set of devices that feature FRAM, the ULP 16-bit MSP430 CPU, and intelligent peripherals targeted for various applications. The ULP architecture showcases seven low-power modes, which are optimized to achieve extended battery life in energy-challenged applications.

The MSP430™ ultra-low-power (ULP) FRAM platform combines uniquely embedded FRAM and a holistic ultra-low-power system architecture, allowing innovators to increase performance at lowered energy budgets. FRAM technology combines the speed, flexibility, and endurance of SRAM with the stability and reliability of flash at much lower power.

The MSP430 ULP FRAM portfolio consists of a diverse set of devices that feature FRAM, the ULP 16-bit MSP430 CPU, and intelligent peripherals targeted for various applications. The ULP architecture showcases seven low-power modes, which are optimized to achieve extended battery life in energy-challenged applications.

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Drop-in replacement with upgraded functionality to the compared device
MSP430FR6889 ACTIVE Rotary Sensing MCU with extended scan interface, 128KB FRAM, LCD  for flow meters This device supports an UART bootloader instead of an I2C bootloader.

Technical documentation

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Top documentation Type Title Format options Date
* Data sheet MSP430FR688x(1), MSP430FR588x(1) Mixed-Signal Microcontrollers datasheet (Rev. C) PDF | HTML 29 Aug 2018
* Errata MSP430FR68891 Microcontroller Errata (Rev. AA) PDF | HTML 21 Oct 2021
* User guide MSP430FR58xx, MSP430FR59xx, and MSP430FR6xx Family User's Guide (Rev. P) PDF | HTML 21 Apr 2020
Application note Migration Guide From MSP430 MCUs to MSPM0 MCUs (Rev. B) PDF | HTML 02 Jun 2025
User guide MSP430 FRAM Devices Bootloader (BSL) User's Guide (Rev. AB) PDF | HTML 22 Sep 2022
Application note ESD Diode Current Specification (Rev. B) PDF | HTML 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) PDF | HTML 14 Jul 2021
User guide MSP430 MCUs Development Guide Book (Rev. A) PDF | HTML 13 May 2021
Application note MSP430 System ESD Troubleshooting Guide PDF | HTML 13 Dec 2019
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) PDF | HTML 03 Nov 2016
Application note Migrating from the MSP430F5xx,F6xx Family to the MSP430FR58xx/FR59xx/68xx Family (Rev. D) 03 Nov 2016
Application note Designing With the MSP430FR58xx, FR59xx, FR68xx, and FR69xx ADC (Rev. A) 30 Mar 2016
Application note MSP Code Protection Features PDF | HTML 07 Dec 2015
Application note Designing With MSP430™ MCUs and Segment LCDs (Rev. A) PDF | HTML 20 Jul 2015
Application note Migrating From MSP430FW42x Scan Interface to MSP430FR6x8x/FR5x8x ESI (Rev. A) 06 Feb 2015
Application note Adjustment of ESIOSC Oscillator Frequency (Rev. A) 30 Jan 2015
Application note Getting Started With EEMBC ULPBench on MSP-EXP430FR5969 (Rev. A) 29 Jan 2015
Application note LC Sensor Rotation Detection With MSP430 Extended Scan Interface (ESI) 28 Aug 2014
Application note Method to Select the Value of LC Sensor for MSP430 Extended Scan Interface (ESI) 28 Aug 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 Enabling secure portable medical devices with TI’s MSP430™ MCU 04 Jun 2013
White paper Benchmarking MCU power consumption for ultra-low-power applications 26 Oct 2012

Design & development

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Getting started

TI-DEVELOPER-ZONE Start embedded development on your desktop or in the cloud

From evaluation to deployment the TI Developer Zone provides a comprehensive range of software, tools and training to ensure that you have everything you need for each stage of the development process.
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CCSTUDIO Code Composer Studio™ integrated development environment (IDE)

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Design tool

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Reference designs

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Schematic: PDF
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LQFP (PN) 80 Ultra Librarian
LQFP (PZ) 100 Ultra Librarian

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