Capacitive Touch MCU with 4 touch IO (4 sensors), 8KB FRAM, 2KB SRAM, 15 IO, 10-bit ADC

MSP430FR2512

ACTIVE

Product details

Non-volatile memory (kB) 8 RAM (KB) 2 ADC 10-bit SAR GPIO pins (#) 15 Features Advanced sensing, Real-time clock UART 1 USB No Number of I2Cs 1 SPI 2 Comparator channels (#) 0
Non-volatile memory (kB) 8 RAM (KB) 2 ADC 10-bit SAR GPIO pins (#) 15 Features Advanced sensing, Real-time clock UART 1 USB No Number of I2Cs 1 SPI 2 Comparator channels (#) 0
TSSOP (PW) 16 22 mm² 5 x 4.4 VQFN (RHL) 20 16 mm² 4.5 x 3.5
  • 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)
  • 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)

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.

 
 

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.

 
 

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Technical documentation

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Type Title Date
* Data sheet MSP430FR25x2 Capacitive Touch Sensing Mixed-Signal Microcontrollers datasheet (Rev. C) 10 Dec 2019
* Errata MSP430FR2512 Device Erratasheet (Rev. H) 27 May 2021
* User guide MSP430FR4xx and MSP430FR2xx Family User's Guide (Rev. I) 13 Mar 2019
Application note Designing With the MSP430FR4xx and MSP430FR2xx ADC (Rev. A) 02 Aug 2021
Application note Low-Power Battery Voltage Measurement With MSP430FR MCU On-Chip VREF and ADC (Rev. B) 02 Aug 2021
Application note Migration from MSP430 FR58xx, FR59xx, and FR6xx to FR4xx and FR2xx (Rev. B) 02 Aug 2021
Application note MSP430 System-Level ESD Considerations (Rev. B) 14 Jul 2021
User guide CapTIvate™ Touch MCUs Getting Started Guide (Rev. A) 12 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 MSP430FR2xx and MSP430FR4xx DCO+FLL Application Guide 07 Dec 2020
White paper Capacitive Sensing Technology, Products, and Applications 19 May 2020
Technical article The capacitive touch trend is rising rapidly. Can you keep up? 15 May 2020
Application note Automating Capacitive Touch Sensor PCB Design Using OpenSCAD Scripts (Rev. B) 26 Feb 2020
Application note MSP430 System ESD Troubleshooting Guide 13 Dec 2019
Application note Capacitive Touch Design Flow for MSP430™ MCUs With CapTIvate™ Technology (Rev. B) 14 Aug 2019
Application note Sensitivity, SNR, and design margin in capacitive touch applications (Rev. A) 25 Mar 2019
Technical article Capacitive touch evaluation is quick & easy with the EVM430-CAPMINI demo board 20 Mar 2019
Technical article Embedding more sensing and measurement at embedded world 28 Feb 2018
White paper Simplify smart speaker human machine interface with capacitive-touch technology 15 Feb 2018
User guide BOOSTXL-CAPKEYPAD Capacitive Touch BoosterPack Plug-in Module User's Guide 09 Jan 2018
Application note Capacitive Touch Through Metal Using MSP430™ MCUs With CapTIvate™ Technology (Rev. A) 31 Oct 2017

Design & development

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

Evaluation board

CAPTIVATE-ISO — Capacitive touch communications isolation board

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 (...)

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Limit: 5
Evaluation board

EVM430-CAPMINI — MSP430FR2512 CapTIvate™ Capacitive Sensing Demonstration Board

The EVM430-CAPMINI is an easy-to-use evaluation board for the MSP430FR2512 capacitive-touch-sensing microcontroller. It demonstrates the key features of CapTIvate technology such as ultra-low power and ease of use. The onboard CapTIvate HID bridge tool supports touch online tuning with CapTIvate (...)

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Limit: 5
Development kit

BOOSTXL-CAPKEYPAD — MSP430 CapTIvate™ MCU touch keypad BoosterPack plug-in module

The BOOSTXL-CAPKEYPAD is an easy-to-use evaluation module (EVM) for the MSP430FR2522 capacitive touch sensing microcontroller (MCU) with  CapTIvate™ technology. The BOOSTXL-CAPKEYPAD can be used in three different ways - with a LaunchPad™ development kit, with the CapTIvate (...)

In stock
Limit: 10
Development kit

MSP-TS430RHL20 — Target Development Board for MSP430FR2422 & MSP430FR25x2 MCUs-20-pin (microcontroller not included)

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 (...)

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Limit: 10
Hardware programming tool

CAPTIVATE-PGMR — MSP430 CapTIvate MCU programmer

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 (...)
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 (...)

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Application software & framework

MSPCAPTDSNCTR — CapTIvate™ Design Center GUI for MSP430™ Capacitive Sensing MCUs

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 (...)
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 (...)

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TSSOP (PW) 16 View options
VQFN (RHL) 20 View options

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  • Qualification summary
  • Ongoing reliability monitoring

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