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Texas Instruments

MSP430FR2512IRHLR

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MSP430FR2512IRHLR Overview

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.

 
 

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 IEC61000-4-6, IEC-61000-4-4, and IEC61000-4-2 compliance
      • Reduced RF emissions to simplify electrical designs
      • Support for metal touch and water rejection designs
    • Flexibility
      • Up to 8 self-capacitance and 16 mutual-capacitance electrodes
      • Mix and match self- and mutual-capacitive electrodes in the same design
      • Supports multi-touch functionality
      • Wide range of capacitance detection, wide electrode range of 0 to 300 pF
    • 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
    • Development tools
      • MSP CapTIvate MCU development kit evaluation: use with CAPTIVATEPGMR programmer and capacitive touch MSP430FR2522 MCU board BOOSTXLCAPKEYPAD
      • Target development board MSPTS430RHL20
    • Ease-of-use ecosystem
      • CapTIvate Design Center – code generation, customizable GUI, real-time tuning
  • 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)

Applications

MSP430? FRAM

Specifications

  • Core Processor MSP430

  • Speed 16MHz

  • Operating Temperature -40℃ ~ 85℃ (TA)

  • Program Memory Type FRAM

  • RAM Size 2K x 8

  • Number of I/O 15

  • Peripherals Brown-out Detect/Reset, PWM, WDT

  • Mounting Type Surface Mount

  • Oscillator Type Internal

  • Supplier Device Package 20-VQFN (3.5x4.5)

  • Package / Case 20-VFQFN Exposed Pad

  • Core Size 16-Bit

  • Connectivity I2C, IrDA, SCI, SPI, UART/USART

  • Program Memory Size 7.5KB (7.5K x 8)

  • Data Converters A/D 8x10b

  • Voltage - Supply (Vcc/Vdd) 2V ~ 3.6V

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