Top
Capacitive Touch MCU with 8 touch IO (16 sensors), 8KB FRAM, 2KB SRAM, 15 IO, 10-bit ADC

MSP430FR2522

ACTIVE

Product details

Parameters

Features Advanced sensing, Real-time clock Non-volatile memory (kB) 8 RAM (KB) 2 ADC 10-bit SAR ADC: channels (#) 8 GPIO pins (#) 15 I2C 1 SPI 2 UART 1 Comparator channels (#) 0 Timers - 16-bit 2 Bootloader (BSL) I2C, UART Special I/O CapTIvate Touch I/O Operating temperature range (C) -40 to 85 Rating Catalog open-in-new Find other MSP430 ultra-low-power MCUs

Package | Pins | Size

TSSOP (PW) 16 22 mm² 5 x 4.4 VQFN (RHL) 20 16 mm² 4.5 x 3.5 open-in-new Find other MSP430 ultra-low-power MCUs

Features

  • CapTIvate™ technology – capacitive touch
    • Performance
      • Fast electrode scanning with two simultaneous scans
      • Proximity sensing
    • Reliability
      • Increased immunity to power line, RF, and other environmental noise
      • Built-in spread spectrum, automatic tuning, noise filtering, and debouncing algorithms
      • Enables reliable touch solutions with 10-V RMS common-mode noise, 4-kV electrical fast transients, and 15-kV electrostatic discharge, allowing for IEC‑61000-4-6, IEC-61000-4-4, and IEC‑61000-4-2 compliance
      • Reduced RF emissions to simplify electrical designs
      • Support for metal touch and water rejection designs
    • Flexibility
    • Low power
      • <4 µA wake-on-touch with two sensors
      • Wake-on-touch state machine allows electrode scanning while CPU is asleep
      • Hardware acceleration for environmental compensation, filtering, and threshold detection
    • Ease of use
      • CapTIvate Design Center, PC GUI lets engineers design and tune capacitive buttons in real time without having to write code
      • CapTIvate software library in ROM provides ample FRAM for customer application
  • Embedded microcontroller
    • 16-bit RISC architecture
    • Clock supports frequencies up to 16 MHz
    • 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: 120 µA/MHz (typical)
    • Standby: <4 µA wake-on-touch with two sensors
    • Shutdown (LPM4.5): 36 nA without SVS
  • Low-power ferroelectric RAM (FRAM)
    • Up to 7.5 KB of nonvolatile memory
    • Built-in error correction code (ECC)
    • Configurable write protection
    • Unified memory of program, constants, and storage
    • 1015 write cycle endurance
    • Radiation resistant and nonmagnetic
    • High FRAM-to-SRAM ratio, up to 4:1
  • High-performance analog
    • Up to 8-channel 10-bit analog-to-digital converter (ADC)
      • Internal 1.5-V reference
      • Sample-and-hold 200 ksps
  • Intelligent digital peripherals
    • Two 16-bit timers with three capture/compare registers each (Timer_A3)
    • One 16-bit timer associated with CapTIvate™ technology
    • One 16-bit counter-only RTC
    • 16-bit cyclic redundancy check (CRC)
  • Enhanced serial communications with support for pin remap feature (see Device Comparison)
    • One eUSCI_A supports UART, IrDA, and SPI
    • One eUSCI_B supports SPI and I2C
  • Clock system (CS)
    • on-chip 32-kHz RC oscillator (REFO)
    • on-chip 16-MHz digitally controlled oscillator (DCO) with frequency-locked loop (FLL)
      • ±1% accuracy with on-chip reference at room temperature
    • On-chip very low-frequency 10-kHz oscillator (VLO)
    • On-chip high-frequency modulation oscillator (MODOSC)
    • External 32-kHz crystal oscillator (LFXT)
    • Programmable MCLK prescalar of 1 to 128
    • SMCLK derived from MCLK with programmable prescalar of 1, 2, 4, or 8
  • General input/output and pin functionality
    • Total of 15 I/Os on VQFN-20 package
    • 15 interrupt pins (P1 and P2) can wake MCU from low-power modes
  • Development tools and software
  • 12KB ROM library includes CapTIvate touch libraries and driver libraries
  • Family Members (Also See Device Characteristics)
    • MSP430FR2522: 7.25KB of program FRAM, 256B of information FRAM, 2KB of RAM
      up to 8 self-capacitive and 16 mutual-capacitive sensors
    • MSP430FR2512: 7.25KB of program FRAM, 256B of information FRAM, 2KB of RAM
      up to 4 self-capacitive or mutual-capacitive sensors
  • Package options
    • 20-pin: VQFN (RHL)
    • 16-pin: TSSOP (PW)

All trademarks are the property of their respective owners.

open-in-new Find other MSP430 ultra-low-power MCUs

Description

The MSP430FR25x2 is a family of ultra-low-power MSP430™ microcontrollers (MCUs) for capacitive touch sensing that feature CapTIvate™ touch technology for cost-sensitive applications featuring 1 to 16 capacitive buttons or proximity sensing. The MSP430FR25x2 MCUs offer value and performance for industrial applications exposed to electromagnetic disturbances, oil, water, and grease. The devices offer IEC-certified solutions with 5x lower power consumption than competition and support proximity sensing as well as touch through glass, plastic, and metal overlays.

TI capacitive touch sensing MSP430 MCUs are supported by an extensive hardware and software ecosystem with reference designs and code examples to get your design started quickly. The BOOSTXL-CAPKEYPAD BoosterPack™ plug-in module can be used with the CAPTIVATE-PGMR programmer board (standalone or as part of the MSP-CAPT-FR2633 CapTIvate development kit) or with the LaunchPad development kit ecosystem. TI also provides free software including the CapTIvate Design Center, where engineers can quickly develop applications with an easy-to-use GUI and MSP430Ware™ software, and comprehensive documentation with the CapTIvate technology guide.

MSP430 MCUs with CapTIvate technology provide the most integrated and autonomous capacitive-touch solutions in the market with high reliability and noise immunity at the lowest power. For more information visit ti.com/captivate.

For complete module descriptions, see the MSP430FR4xx and MSP430FR2xx Family User’s Guide.

 
 

open-in-new Find other MSP430 ultra-low-power MCUs
Download

Technical documentation

= Top documentation for this product selected by TI
No results found. Please clear your search and try again. View all 20
Type Title Date
* Datasheet MSP430FR25x2 Capacitive Touch Sensing Mixed-Signal Microcontrollers datasheet (Rev. C) Dec. 10, 2019
* Errata MSP430FR2522 Device Erratasheet (Rev. G) Apr. 24, 2019
* User guide MSP430FR4xx and MSP430FR2xx Family User's Guide (Rev. I) Mar. 13, 2019
User guide MSP430 MCUs Development Guide Book Oct. 09, 2020
White paper Capacitive Sensing Technology, Products, and Applications May 19, 2020
Technical articles The capacitive touch trend is rising rapidly. Can you keep up? May 15, 2020
Application note Automating Capacitive Touch Sensor PCB Design Using OpenSCAD Scripts (Rev. B) Feb. 26, 2020
Application note MSP430 System-Level ESD Considerations (Rev. A) Jan. 13, 2020
Application note Designing With the MSP430FR4xx and MSP430FR2xx ADC Dec. 30, 2019
Application note MSP430 System ESD Troubleshooting Guide Dec. 13, 2019
Application note Low-Power Battery Voltage Measurement With MSP430FR MCU On-Chip VREF and ADC (Rev. A) Nov. 04, 2019
Application note Capacitive Touch Design Flow for MSP430™ MCUs With CapTIvate™ Technology (Rev. B) Aug. 14, 2019
Application note Migration from MSP430 FR58xx, FR59xx, and FR6xx to FR4xx and FR2xx (Rev. A) Mar. 26, 2019
Application note Sensitivity, SNR, and design margin in capacitive touch applications (Rev. A) Mar. 25, 2019
Technical articles Adding imagination to your next-generation appliances Nov. 12, 2018
Technical articles Embedding more sensing and measurement at embedded world Feb. 28, 2018
Technical articles Thinking that capacitive touch is too expensive or complicated to include in your product? Think again Feb. 27, 2018
White paper Simplify smart speaker human machine interface with capacitive-touch technology Feb. 15, 2018
User guide BOOSTXL-CAPKEYPAD Capacitive Touch BoosterPack Plug-in Module User's Guide Jan. 09, 2018
Application note Capacitive Touch Through Metal Using MSP430™ MCUs With CapTIvate™ Technology (Rev. A) Oct. 31, 2017

Design & development

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

Hardware development

EVALUATION BOARD Download
Description

The MSP430™ CapTIvate™ isolation board (CAPTIVATE-ISO) is an add-on board for the CapTIvate Development Kits (MSP-CAPT-FR2633 or CAPTIVATE-FR2676) that allows a way to maintain Spy-by-Wire, I2C, and UART communication between the CAPTIVATE-PGMR and the CapTIvate MCU Board when the MCU Board is (...)

Features
  • Provides digital isolation for Spy-by-Wire, I2C, and UART
  • No shared power or ground
EVALUATION BOARD Download
99
Description

Step 1: Buy the CAPT-FR2633-BNDL bundle
Step 2: Follow the CapTIvate development tools getting started guide

CapTIvate Design Center

The MSP CapTIvate™ MCU Development Kit is a comprehensive, easy-to-use platform to evaluate MSP430FR2633 microcontroller with capacitive touch technology. The kit (...)

Features
  • Easily evaluate self-capacitance, mutual capacitance, gesture and proximity sensing capabilities of the MSP430FR2633 microcontroller with CapTIvate technology
  • Isolate the touch module from the USB power supply for EMI testing and while tuning sensors
  • Comprehensive suite of documentation and tools

DEVELOPMENT KIT Download
Description

Step 1: Buy the BOOSTXL-CAPKEYPAD BoosterPack + CAPTIVATE-PGMR bundle
Step 2: Download and install the CapTIvate Design Center
Step 3: Follow the out-of-box experience instructions

The BOOSTXL-CAPKEYPAD is an easy-to-use evaluation module (EVM) for the MSP430FR2522 capacitive touch sensing (...)

Features
  • MSP430FR2522 MSP430 MCU with CapTIvate technology
  • 40-pin BoosterPack standard leveraging the LaunchPad ecosystem
  • CapTIvate programming header for interfacing with CAPTIVATE-PGMR
  • 12 touch button numeric keypad with proximity sensor
  • Integrated LP3943 LED driver for backlighting
DEVELOPMENT KIT Download
149
Description

Note:  This kit does not include MSP430™ microcontroller (MCU)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: MSP430FR2522, MSP430FR2512, or MSP430FR2422.

The MSP-TS430RHL20 microcontroller development board (...)

Features
  • Socket board to program & debug the 20-pin QFN package through the JTAG interface
  • Access to all device pins
  • Indicator LEDs and user switches
  • JTAG connector
HARDWARE PROGRAMMING TOOL Download
19.99
Description
The MSP430 CapTIvate MCU programmer is available standalone or as part of the MSP CapTIvate™ MCU development kit, a comprehensive, easy-to-use platform to evaluate MSP430FR2633 microcontroller with capacitive touch technology.  The programmer/debugger board can be used with the (...)
Features
  • Programmer board compatible with CapTIvate MCU boards
  • EnergyTrace Technology to measure power consumption with Code Composer Studio
  • CapTIvate programming header for interfacing with CapTIvate MCU boards
  • USB HID-Bridge communications interface allows easy debug data transfer between the target and a PC (...)
HARDWARE PROGRAMMING TOOL Download
115
Description

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 (...)

Features
  • USB debugging interface to connect any MSP430 MCU to a computer for real-time, in-system programming and debugging
  • Enables EnergyTrace™ technology for energy measurement and debugging on all MSP430 and MSP432 devices in the Code Composer Studio and IAR Embedded Workbench development environments
  • (...)
HARDWARE PROGRAMMING TOOL Download
Description

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 (...)

Features
  • Quickly and reliably program Flash or FRAM-based MSP devices via RS-232 or USB interface
  • Several programming modes:
    • Interactive Mode – Programming while connected to PC using the MSP GANG Programmer GUI
    • Program from Image – An image can be stored, which contains configuration options and code (...)

Software development

SOFTWARE DEVELOPMENT KIT (SDK) Download
MSP430Ware for MSP Microcontrollers
MSPWARE 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 (...)

Features
  • Collection of MSP design resources
  • Available within CCS, as a standalone executable, or as part of TI’s new Cloud-based tools
  • Auto-updates through the web
  • Sleek & intuitive GUI for browsing content
  • Features the MSP Driver Library
  • Automatic filtering of content using a unique 2-pane view
APPLICATION SOFTWARE & FRAMEWORK Download
CapTIvate™ Design Center GUI for MSP430™ Capacitive Sensing MCUs
MSPCAPTDSNCTR The CapTIvate™ Design Center GUI is a one-stop resource for everything related to CapTIvate capacitive sensing technology integrated on TI MSP430™ microcontrollers. It includes tools, documentation and software examples that can simplify and accelerate capacitive touch designs. Start by (...)
Features
  • Set up a design in less than five minutes
  • Create, configure and tune capacitive sensors without writing a single line of code
  • Automatically generate source code projects for code composer studio™ and IAR Embedded Workbench® IDEs
  • Support for slider, wheel, buttons and proximity sensors
  • Real time target (...)
DRIVER OR LIBRARY Download
FRAM embedded software utilities for MSP ultra-low-power microcontrollers
MSP-FRAM-UTILITIES 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 (...)
DRIVER OR LIBRARY Download
Fixed Point Math Library for MSP
MSP-IQMATHLIB The Texas Instruments® MSP IQmath and Qmath Libraries are a collection of highly optimized and high-precision mathematical functions for C programmers to seamlessly port a floating-point algorithm into fixed-point code on MSP430 and MSP432 devices. These routines are typically used in (...)
Features
  • Optimized fixed point functions - reduce development time and enable developers to focus on optimizing application code
  • Up to 100x higher performance when executing common fixed point scalar math functions in CCS – this means the MSP microcontroller can remain in low power modes longer than (...)
DRIVER OR LIBRARY Download
Bootloader (BSL) for MSP low-power microcontrollers
MSPBSL The bootloader (BSL) on MSP430™ microcontrollers (MCUs) lets users communicate with embedded memory in the MSP MCUs during the prototyping phase, final production, and in service. This is done through standard interfaces such as UART, I2C, SPI, and USB. Both the programmable memory (...)
IDE, CONFIGURATION, COMPILER OR DEBUGGER Download
Code Composer Studio™ Integrated Development Environment for MSP Microcontrollers
CCSTUDIO-MSP

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 Download
EnergyTrace Technology
ENERGYTRACE 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 (...)

Features
  • Current measurement is enabled for all MSP430 MCUs, MSP432 MCUs and connectivity devices
  • Tracing of CPU states is available on selected MSP430 MCUs, MSP432 MCUs, CC13x2 wireless MCUs and CC26x2 wireless MCUs 
  • Tracing of peripheral states is also available on selected MSP430 MCUs, CC13x2 (...)
IDE, CONFIGURATION, COMPILER OR DEBUGGER Download
IAR Embedded Workbench
Provided by IAR Systems IAR Embedded Workbench includes the IAR C/C++ compiler and C-SPY debugger for building and debugging embedded applications for your selected target microcontroller. The IAR compiler generates highly optimized code for your application, and the debugger is a fully integrated debugger for source and (...)
SOFTWARE PROGRAMMING TOOL Download
UniFlash stand-alone flash tool for microcontrollers, Sitara™; processors and SimpleLink™
UNIFLASH 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 (...)

SUPPORT SOFTWARE Download
SLAC750C.ZIP (359 KB)

Reference designs

REFERENCE DESIGNS Download
Gesture-based capacitive touch speaker interface reference design
TIDM-02004 — The Gesture-Based Capacitive Touch Speaker Interface Reference Design demonstrates an ultra-low-power panel for controlling speaker systems. The design uses an MSP430™ microcontroller with CapTIvate™ technology for recognizing capacitive touch events. Using a self-capacitance (...)
document-generic Schematic
REFERENCE DESIGNS Download
Capacitive Touch Based User Interface with Proximity Sensing and LED Animation Reference Design
TIDA-01559 — The TIDA-01559 is a Human Machine Interface (HMI) reference design that uses the MSP430FR2522 MCU and LP5569 device, and can achieve extremely low standby power consumption and offload the resources of the MCU with LED engine control. This solution can be used anywhere a low-power consuming HMI with (...)
document-generic Schematic

CAD/CAE symbols

Package Pins Download
TSSOP (PW) 16 View options
VQFN (RHL) 20 View options

Ordering & quality

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

Recommended products may have parameters, evaluation modules or reference designs related to this TI product.

Support & training

TI E2E™ forums with technical support from TI engineers

Content is provided "as is" by TI and community contributors and does not constitute TI specifications. See terms of use.

If you have questions about quality, packaging or ordering TI products, see TI support. ​​​​​​​​​​​​​​

Videos

Related videos