MSP430FR2676 Microcontrollers Datasheet

MSP430FR2676 Datasheet PDF, Equivalent


Part Number

MSP430FR2676

Description

Capacitive Touch Sensing Mixed-Signal Microcontrollers

Manufacture

etcTI

Total Page 30 Pages
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MSP430FR2676
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MSP430FR2676, MSP430FR2675
SLASEO5A – MARCH 2019 – REVISED APRIL 2019
MSP430FR267x Capacitive Touch Sensing Mixed-Signal Microcontrollers
1 Device Overview
1.1 Features
1
CapTIvate™ technology – capacitive touch
– Performance
– Fast electrode scanning with four
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
– Enable 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 16 self-capacitance and 64 mutual-
capacitance electrodes
– Mix and match self- and mutual-capacitive
electrodes in the same design
– Support multi-touch functionality
– Wide range of capacitance detection, wide
electrode range of 0 to 300 pF
– Low power
– <5 µA wake-on-touch with four sensors
– Wake-on-touch state machine allows
electrode scanning while CPU sleeps
– 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)
1
• Optimized ultra-low-power modes
– Active mode: 135 µA/MHz (Typical)
– Standby: <5 µA wake-on-touch with four
sensors
– Shutdown (LPM4.5): 37 nA without SVS
• Low-power ferroelectric RAM (FRAM)
– Up to 64KB 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
• Intelligent digital peripherals
– Four 16-bit timers with three capture/compare
registers each (Timer_A3)
– One 16-bit timers with seven capture/compare
registers each (Timer_B7)
– One 16-bit timers 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
– Two eUSCI_A supports UART, IrDA, and SPI
– Two eUSCI_B supports SPI and I2C
• High-performance analog
– One 12-bit analog-to-digital converter (ADC)
with up to 12 channels
– Internal shared reference (1.5 V, 2.0 V, or
2.5 V)
– Sample-and-hold 200 ksps
– One enhanced comparator (eCOMP)
– Integrated 6-bit DAC as reference voltage
– Programmable hysteresis
– Configurable high-power and low-power
modes
• Clock system (CS)
– On-chip 32-kHz RC oscillator (REFO) with 1 µA
support
– 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)
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.

MSP430FR2676
MSP430FR2676, MSP430FR2675
SLASEO5A – MARCH 2019 – REVISED APRIL 2019
www.ti.com
– 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
– 43 I/Os on LQFP-48 package
– 43 interrupt pins on all GPIOs can wake MCU
from low-power modes
• Development tools and software
– Development tools
– MSP CapTIvate™ MCU development kit
evaluation: use with CAPTIVATE-PGMR
programmer and Capacitive touch
MSP430FR2676 MCU board CAPTIVATE-
FR2676
– Target development board
MSPTS430PT48A
– Ease-of-use ecosystem
CapTIvate Design Center – code generation,
customizable GUI, real-time tuning
1.2 Applications
• Major appliances
• Intrusion HMI keypads and control panels
• Electronic smart locks, door keypads, and readers
• Garage door systems
• Motorized window blinds
• Remote controls
• 16KB ROM library includes CapTIvate touch
libraries and driver libraries
• Family members (also see Device Comparison)
– MSP430FR2676: 64KB of program FRAM, 512B
of information FRAM, 8KB of RAM
supports up to 16 self-capacitive and 64 mutual-
capacitive sensors
– MSP430FR2675: 32KB of program FRAM, 512B
of information FRAM, 6KB of RAM
supports up to 16 self-capacitive and 64 mutual-
capacitive sensors
• Package options
– 48-pin: LQFP (PT)
– 40-pin: VQFN (RHA)
– 32-pin: VQFN (RHB)
• Personal electronics
• Wireless speakers and headsets
• Handheld video game controllers
• A/V receivers
• White goods
• Garden and power tools
1.3 Description
The MSP430FR267x is an ultra-low-power MSP430™ microcontroller for capacitive touch sensing that
feature CapTIvate touch technology for buttons, slides, wheel and proximity applications. MSP430 MCUs
with CapTIvate technology provide the most integrated and autonomous capacitive-touch solution in the
market with high reliability and noise immunity at the lowest power. TI's capacitive touch technology
supports concurrent self-capacitance and mutual-capacitance electrodes on the same design for
maximum flexibility. MSP430 MCUs with CapTIvate technology operate through thick glass, plastic
enclosures, metal, and wood with operation in harsh environments including wet, greasy, and dirty
environments.
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. Development
kits include the MSP-CAPT-FR2633 CapTIvate Technology Development Kit. 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.
The TI MSP430 family of low-power microcontrollers consists of devices with different sets of peripherals
targeted for various applications. The architecture, combined with extensive low-power modes, is
optimized to achieve extended battery life in portable measurement applications. The MCU features a
powerful 16-bit RISC CPU, 16-bit registers, and constant generators that contribute to maximum code
efficiency. The digitally controlled oscillator (DCO) allows the MCU to wake up from low-power modes to
active mode in less than 10 µs (typical).
2 Device Overview
Copyright © 2019, Texas Instruments Incorporated
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Product Folder Links: MSP430FR2676 MSP430FR2675


Features Product Folder Order Now Technical Doc uments Tools & Software Support & Com munity MSP430FR2676, MSP430FR2675 SLAS EO5A – MARCH 2019 – REVISED APRIL 2 019 MSP430FR267x Capacitive Touch Sensi ng Mixed-Signal Microcontrollers 1 Dev ice Overview 1.1 Features 1 • CapTIv ate™ technology – capacitive touch – Performance – Fast electrode scan ning with four simultaneous scans – P roximity sensing – Reliability – In creased immunity to power line, RF, and other environmental noise – Built-in spread spectrum, automatic tuning, noi se filtering, and debouncing algorithms – Enable reliable touch solutions wi th 10-V RMS common-mode noise, 4-kV ele ctrical fast transients, and 15-kV elec trostatic discharge, allowing for IEC 61000-4-6, IEC61000-4-4, and IEC‑610 00-4-2 compliance – Reduced RF emissi ons to simplify electrical designs – Support for metal touch and water rejec tion designs – Flexibility – Up to 16 self-capacitance and 64 mutualcapacitance electrodes – Mix and match self- and mutual-capacitive.
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