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Microcontrollers With On-Chip Touch
Touch-Enabled MCUs for Buttons, Sliders, Wheels and Proximity
Featured
Explore Our PIC32CM PL10 MCUs
The PIC32CM PL10 MCU family sets the bar for a versatile 5V, 32-bit MCU. It featured the latest generation of on-chip touch hardware and elevates its water rejection capabilities. The diagnostic support for hardware will reduce software efforts and drive power consumtion further down. If you're looking for the latest in touch, our PIC32CM PL10 is the right choice for you.
Exceptional Flexibility With On-Chip Touch
We offer a wide variety of touch-enabled PIC®, AVR® and SAM MCUs and dsPIC33 Digital Signal Controllers (DSCs) that enable high-performance and reliable touch sensing in your design. Use our touch library, which is available in MPLAB® Code Configurator (MCC), to streamline your software development and enhance the performance of touch applications by configuring Core-Independent Peripherals (CIPs):
- Integrated Touch Controller (ITC) on dsPIC33A DSCs
- Analog-to-Digital Converter (ADC)
- ADC with Computation (ADCC) and ADC with context switching
- Peripheral Touch Controller (PTC)
- Hardware Capacitive Voltage Divider (HCVD)
The on-chip touch modules support self- and mutual-capacitance measurements to provide exceptional design flexibility. The touch library utilizes the touch hardware available in the MCU and enables you to reuse your code across part families and even across MCU architectures. The touch development workflow that you use with one of our MCUs can be implemented in any other of our touch-enabled MCUs that you select for your next project.
Autonomous and Robust Touch Operation
CIPs enable autonomous touch operation that frees up CPU resources and reduces power consumption, even in designs that have a very high button count and/or that offer many touch functions. Our touch library maximizes the capabilities of the CIPs to deliver the highest sensitivity, superior noise immunity and water tolerance for demanding touch applications that are exposed to and need to function in harsh environments.
Capacitive Touch Applications
Functional Safety Touch
Functional safety is essential in many markets. Automotive functional safety requirements are governed by ISO 26262. Our Functional Safety Touch Library reduces your development time and effort for a variety of automotive applications, including:
- Cruise control on steering wheels
- Hazard buttons
- Mirror control clusters
Hands-Off Detection
Advanced Drive Assistance System (ADAS) uses Hands-Off Detection (HOD) to verify that a driver's hands are on the steering wheel. We offer a complete, single-chip HOD solution to speed up your implementation and shorten your time to market.
Watch our Hands-off Detection (HOD) Demo video.
Radiant Heating
Radiant heating is more efficient than traditional car heating systems. Our touch solution for radiant heating controls can help you design an EV heating system that quickly brings the cabin temperature up to comfortable levels.
Car Door Handles and Controls
Touch-based user interfaces aren’t only restricted to a car’s interior. We provide dedicated touch solutions to enable Near Field Communication (NFC) in door handles or to create touch buttons to open a car door.
Watch our Water-Resistant Touch Technology Demo.
Digital Level Sensing
Our capacitive Digital Level Sensing (DLS) solution senses the levels of liquids, eliminating the need for a floating element and the complexities of a mechanical solution.
Touchpads With Gestures
A touchpad can provide users with an easy and intuitive way to control their devices. Discover how easy it is to add a touchpad to control your new product.
Tools and Software
- Hardware Development Tools
- Software Development Tools
Here are several featured touch development boards that will make it easy to create your capacitive touch sensing application.For a complete selection, visit the Touch Development Tools page to explore more options.
Microchip® QT7 Xplained Pro kit is an extension board that enables the evaluation of self-capacitance touch.
Microchip T9 Xplained Pro kit is an extension board that enables easy evaluation of touch on metal (MoC).
Microchip T10 Xplained Pro kit is an extension board that enables easy evaluation mutual capacitive sensing and Boost Mode capacitive sensing.
Microchip QT8 Xplained Pro kit is an extension board that enables easy evaluation of the 2D Touch Surface library.
The Microchip Curiosity Nano Touch Adapter is a hardware extension platform to ease the connection between Curiosity Nano kits and Xplained Pro touch extension boards.
The Curiosity Nano Touch Adapter bridges from the Curiosity Nano MCU kits to the XPRO connected touch extension boards.
Its similar in purpose as the Curiosity Nano Base for Click boards™ (AC164162) yet focused on touch extension boards.
The Curiosity Platform Development Board (EV74H48A) is a full-featured development and demonstration platform enabling customers to explore the capabilities of the dsPIC33A Digital Signal Controller (DSC) family and also the PIC32A MCU family. The board operation requires the insertion of a 120-pin General Purpose Dual In-Line Module (DIM) containing a dsPIC33A DSC device or a PIC32A MCU device.
This board simplifies the evaluation of capacitive touch sensing using the dsPIC33C DSCs with core-independent touch capability or the device’s usage in automotive and industrial applications requiring CAN-FD, LIN or SENT communication. This board has on-board touch buttons, CAN/CAN FD, LIN and SENT transceivers, along with XPLAINED PRO and mikroBUS™ connectors to interface touch and other extension boards
The ATtiny817 QTouch Moisture DevKit demonstrates the high performance capacitive touch support of the Peripheral Touch Controller (PTC) while achieving best-in-class conducted immunity and moisture tolerance. It has driven shield for better noise immunity and water tolerance. It implements a robust solution that allows customers to easily incorporate the QTouch technology into designs that require a high level of water tolerance.
The DM080101 Water Tolerant Touch Surface development kit enables easy evaluation of the 2D Touch Surface library running on a ATtiny1617.
The DM164149 Water Tolerant 2D Touch Surface development kit - PIC MCU Edition enables easy evaluation of the 2D Touch Surface library.
The Build In Self-Test (BIST) Xplained Pro extension kit (BIST-XPRO) allows to introduces pin failures for Built in self sets and/or Power up self tests (POST). Its a daughter board compatible with the
Xplained Pro and Curiosity platforms.
The BIST-XPRO adds to ability to introduce pin failures in early stage of development. Pin failures are in focus in all types of functional safety relevant projects such as:
- ISO26262 (ASIL) for Automotive
- IEC60730 for Appliances
- IEC 61508 (SIL) for Industrial
- IEC 62304 for Medical
The board connects between compatible XPRO MCU boards or to Curiosity Nano MCU boards via the Curiosity Nano Touch Adapter and extension sensor boards, such as the QT7-XPRO. The BIST-XPRO enables quick testing of the BIST and Power-up Self-Test (POST) routines for their effectiveness to test common pin failures, such as:
- Pin short to VDD
- Pin short to VSS / GND
- Pin short to another pin
- Pin open (e.g. broken sensor feeding line)
The Microchip Touch Bridge (MTB) is a tuning bridge for Microchip touch designs with the convenience of bidirectional communication wired (USB) or wireless (Bluetooth). The Microchip Touch Bridge firmware is provided through MPLAB Discover and continously upgraded in features.
PIC32 BZ6 Curiosity Board enables rapid prototyping with Bluetooth LE, Thread, CAN FD, Ethernet, motor control and touch for smart home, industrial and automotive designs.
The MPLAB® development environment is a single tool chain supporting all PIC®, AVR® and SAM microcontrollers and can be used to simplify touch configuration in your design. It includes these tools:
MPLAB Tools for VS Code are a set of extensions that integrate the MPLAB development ecosystem with VS Code, offering a seamless and efficient environment for developing designs based on Microchip devices.
MPLAB X IDE is a highly configurable software platform that provides powerful, free tools for developing, debugging and qualifying embedded designs that use microcontrollers and digital signal controllers.
MPLAB Code Configurator supports 8-bit, 16-bit and 32-bit PIC® microcontrollers. MCC is incorporated into both the downloadable MPLAB X Integrated Development Environment (IDE) and the cloud-based MPLAB Xpress IDE.
MPLAB® Harmony is a modular framework that provides interoperable firmware libraries for application development on 32-bit microcontrollers and microprocessors.
Zephyr® is an open-source Real-Time Operating System (RTOS) designed to power a wide range of devices.