CAPTIVATE-PHONE

Capacitive touch mutual capacitance sensor demonstration board with haptic feedback

CAPTIVATE-PHONE

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Overview

This MSP430™ CapTIvate™ demonstration board (CAPTIVATE-PHONE) is a simple evaluation platform for mutual capacitance capacitive touch sensors using a variety of configurations in a real-world application.  The sensor panel demonstrates how to matrix mutual capacitance touch sensors for high density and low pin count, and showcases the recommended layout for mutual capacitance slider and wheel sensors.  The panel also demonstrates how to implement guard channel to prevent false touch detections due to a palm or cleaning cloth.  A haptic driver and actuator are included to provide vibrational feedback to the user when touches are detected.

Features
  • Interfaces to CapTIvate ecosystem MCU boards
  • Implements 29 capactive touch elements using just 12 CapTIvate IOs
  • Contains 17 buttons, two 4-element sliders, one 3-element wheel, and one guard channel
  • Implements a guard channel for palm rejection
  • Provides haptic feedback using the TI DRV2605L haptic driver with integrated effects libraries

  • CAPTIVATE-PHONE senor board
  • CAPTIVATE-PGMR not included; CAPTIVATE-PGMR is required for tuning and programming
  • CapTIvate MCU Board (i.e. CAPTIVATE-FR2633 or CAPTIVATE-FR2676) not included

MSP430 microcontrollers
MSP430FR2532 Capacitive Touch MCU with 8 touch IO (8 sensors), 8KB FRAM, 1KB SRAM, 15 IO, 10-bit ADC MSP430FR2533 Capacitive Touch MCU with 16 touch IO (24 sensors), 16KB FRAM, 2KB SRAM, 19 IO, 10-bit ADC MSP430FR2632 Capacitive touch MCU with 8 touch IO (16 sensors), 8KB FRAM, 2KB SRAM, 15 IO, 10-bit ADC MSP430FR2633 Capacitive Touch MCU with 16 touch IO (64 sensors), 16KB FRAM, 4KB SRAM, 19 IO, 10-bit ADC MSP430FR2672 Capacitive-touch MCU with 16 I/O (16 sensors), 8-KB FRAM, 2-KB SRAM, 27 I/O and 12-bit ADC MSP430FR2673 Capacitive-touch MCU with 16 I/O (64 sensors), 16-KB FRAM, 4-KB SRAM, 27 I/O and 12-bit ADC MSP430FR2675 Capacitive Touch MCU with 16 touch IO (64 sensors), 32KB FRAM, 6KB SRAM, 43 IO, 12-bit ADC, 105C MSP430FR2676 Capacitive Touch MCU with 16 touch IO (64 sensors), 64KB FRAM, 8KB SRAM, 43 IO, 12-bit ADC, 105C

 

Haptic motor drivers
DRV2605L Haptic driver for ERM/LRA with 2-V operation, waveform library & auto-resonance tracking

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HARDWARE AND SOFTWARE PACKAGE

Design and develop capacitive touch applications with the CAPTIVATE-FR2676

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Development kit

CAPTIVATE-PHONE — Capacitive touch mutual capacitance sensor demonstration board with haptic feedback

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Design files

Technical documentation

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Type Title Date
* User guides MSP-CAPT-FR2633 MSP CapTIvate™ MCU development kit user's guide 23 Jan 2019
* User guides CapTIvate™ Technology Guide 17 Jan 2018
Data sheet MSP430FR263x, MSP430FR253x Capacitive Touch Sensing Mixed-Signal Microcontrollers datasheet (Rev. E) PDF | HTML 09 Dec 2019
Certificate CAPTIVATE-PHONE EC Declaration of Conformity (DoC) (Rev. A) 02 Jan 2019

Related design resources

Hardware development

EVALUATION BOARD
CAPTIVATE-ISO Capacitive touch communications isolation board
HARDWARE PROGRAMMING TOOL
CAPTIVATE-PGMR MSP430 CapTIvate MCU programmer

Software development

APPLICATION SOFTWARE & FRAMEWORK
MSPCAPTDSNCTR CapTIvate™ Design Center GUI for MSP430™ Capacitive Sensing MCUs

Support & training

TI E2E™ forums with technical support from TI engineers

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