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The Peripheral Touch Controller (PTC) is a hardware module providing high touch performance while achieving best-in class noise immunity, moisture tolerance and faster response time. This document des...
2016-05-09

(2.08MB)
This application note aims to explain the factors affecting the sensitivity QTouch and QMatrix sensors and ways to optimize the design for sensitivity. It aslo provides step-by-step procedures on how ...
2010-08-01

(426486)
... The example code presented in this application note includes a suitable I2C-compatible driver. ... The following points should be noted: ...
2008-07-01

(148184)
... Considerations for QT ICs Application Note QTAN0015 Page 2. 2 ... Power Supply Considerations for QT ICs Notes Page 4. 10703A–AT42–10/08 ...
2008-10-01

(66534)
... Long Slide Controls with QMatrix ICs Application Note QTAN0030 10700A-AT42-06/08 Page 2. 2 10700A-AT42-06/08 QTAN0030 ...
2008-06-01

(737295)
... Effects of External Noise on QT ICs Application Note QTAN0017 10708A–AT42–10/08 Page 2. 2 10708A–AT42–10/08 ...
2008-10-01

(278826)
This application note is a guide to assist users in migrating QTouch designs from Atmel® | SMART SAM D MCUs to Atmel SAM C MCUs. This document mainly covers the enhanced features of PTC peripheral in ...
2016-01-22

(1MB)
This application note illustrates how to use the Atmel®QTouch®Library on the Atmel® AT90USB646 microcontroller to provide a single-chip solution for QTouch sensing through a USB interface. Touch senso...
2011-03-01

(3045577)

QTAN0085: Haptics Design Guide
(Revision B, 10 pages)

This application note describes the general process and design decisions required to develop a small system device that incorporates haptic tactile feedback. It provides several examples to illustrate...
2013-02-15

(174KB)
This application note provides guidelines to design capacitive touch long slider sensors with PTC. It covers the design rules for both one-layer and two-layer sensors. PCB layout technique to reduce d...
2015-06-23

(561KB)
This is the reference design to demonstrate the capabilities of ATtiny40, which supports Atmel® QTouch®, the latest capacitive touch technology. The application note includes the firmware supporting s...
2014-09-02

(1.1MB)

(Software size: 4.1MB, revision B, updated: 02/2016) Atmel multifunction compact keyboard reference design is a solution for a capacitive touch bluetooth keyboard based on ATSAMD21 and ATBTLC1000. T...
2015-11-27

(1.1MB)

This application note provides guidelines to design a capacitive touch based scroll sensor. The associated package includes hardware design files and demo firmware supporting tap and scroll detection ...
2016-01-04

(1MB)

This application note describes the details of Lump mode feature supported by the PTC. It provides guidelines on how to implement Smart Scan, an optimized scan technique to reduce the response time an...
2015-09-17

(3.6MB)

The purpose of this training application note is to get familiar with the Atmel QTouch Composer for developing SAM4L based touch projects.
2013-05-21

(1.5MB)
This reference design provides a passive entry door access system for hospitality and residential door access applications. It uses Atmel's PTC based capacitive sensing and ultra-low power Bluetooth S...
2015-11-27

(1.6MB)

This application note describes how to integrate Atmel® QTouch® Library with the Atmel ZLL solution. The AVR477 RF Touch remote board is the reference hardware platform and uses QMatrix acquisition me...
2015-04-10

(1MB)

This application note describes the details of a Low Power touch sensor supported by the PTC. It provides an idea to application designers about different sensor configurations to use the Low Power Se...
2015-04-28

(1.1MB)
This application note describes the techniques to mitigate the issues caused by moisture in Atmel® QTouch® design. The design techniques are targeted to prevent false detects due to the presence of mo...
2012-07-20

(924KB)
The purpose of this training application note is to get familiar with the touch solution using SAM4L. This document helps in creating a autonomous touch sensor to reduce the power consumption.
2013-09-11

(1.5MB)

This application note aims to familiarize the reader with QTouchADC measurement technology and sensitivity tuning techniques. QTouchADC is the newest addition to the range of sensing algorithms availa...
2012-08-06

(341KB)
This application note explains the communication of master I2C controller with a QTouch device which has I2C interface support. It demonstrates configuring and controlling various parameters of this d...
2012-12-18

(287KB)

This application note explains the communication of Master SPI controller with AT42QT1110 or AT42QT1111 as a slave device. It demonstrates configuring and controlling various parameters of these devic...
2012-10-29

(279KB)

The purpose of this application note is to demonstrate SAM D20 PTC self and mutual capacitance sensor measurements and I2C slave implementation for configuring and controlling touch setup parameters i...
2016-04-13

(1.11MB)

The application note describes the key design guidelines as a checklist to facilitate review of schematic and PCB layout for Atmel® QTouch® designs.
2014-07-14

(2.5MB)
This application note describes how to reprogram the AT90USB1287 and the ATxmega128A1 on the Xplain board with the original firmware, or your own application code.
2010-05-01

(2474237)

This application note describes how to use the QTouch library with the ATxmega256A3BU microcontroller using QTouch button available on XMEGA-A3BU Xplained board. QTouch sensor status is acquired and r...
2012-07-19

(1251KB)
The purpose of this application note is to highlight the features, pros and cons of using QTouch® Library based touch solutions for 32-bit Atmel® AVR® UC3 devices.
2012-11-12

(540KB)
This application note provides a basic overview of conducted immunity testing and describes in detail the techniques employed to improve noise immunity for Atmel® capacitive touch applications.
2011-08-01

(196984)

Atmel AT02260: Driving AT42QT1085
(Revision A, 14 pages)

This application note explains the communication of Master SPI controller with AT42QT1085 as a slave device. It demonstrates configuring and controlling various parameters of these devices.
2013-03-08

(364KB)

QTAN0087: Proximity Design Guide
(Revision B, 18 pages)

This application note walks you through design recommendations associated with QTouch Proximity Sensing.
2012-04-10

(809354)
The purpose of this document is to describe how to add safety features to an Atmel QTouch Library based Atmel Capacitive Touch Solution. The document provides test scenarios to simulate the failure co...
2012-11-15

(452KB)

This application note applies to 'simple' electrode designs for touch controls, especially those designs where the electrode(s) and QT chip are on ...
2005-10-01

(433919)
The design guide describes the rules that can be used to create sensor patterns on PCBs or other conductive material, such as Indium Tin Oxide (ITO).
2011-11-01

(1058709)
This document describes the guidelines to develop touch designs for the Atmel QTouch Surface solution. The design guide is an excellent starting point that provides useful guidelines to help in initia...
2015-04-24

(1.2MB)
The purpose of this training is to get familiar with the Atmel AVR® QTouch Suite for developing and debugging any Atmel Touch application. It includes four core solutions: Atmel AVR QTouch Studio, Atm...
2012-03-09

(1.8MB)

The purpose of this training is to get familiar with the Atmel AVR® QTouch Suite for developing and debugging any Atmel Touch application. It includes four core solutions: Atmel AVR QTouch Studio, Atm...
2011-11-01

(759258)

QMatrix Control Panel for In-Home Display is a reference design to demonstrate 7 key touch solution with SPI slave interface on ATtiny4313 device.
2013-09-13

(778KB)

Low Cost Capacitive TV Control Touch Keypad design is a drop-in replacement for an eletromechanical resistive ladder type keypad. It supports six capacitive keys on ATtiny20 MCU with distinct analog o...
2013-10-23

(1.56MB)

The purpose of this training is to get familiar with the Atmel QTouch Composer for developing touch projects. It focuses on using Atmel QTouch Composer with QT600-ATxmega128A1 MCU board.
2012-10-29

(1228KB)

The purpose of this training is to get familiar with the Atmel AVR® QTouch Suite for developing and debugging any Atmel Touch application. It includes four core solutions: Atmel AVR QTouch Studio, Atm...
2012-03-09

(2.5MB)

The purpose of this training is to get familiar with the Atmel QTouch Composer for developing touch projects. It focuses on using Atmel QTouch Composer with QT600-ATmega324 MCU board.
2012-10-29

(1329KB)

This reference design demonstrates techniques to use QMatrix touch sensors for 2D position tracking application. ATxmega16D4 device is used in this touchpad design. In the firmware solution provided, ...
2013-11-26

(1.2MB)

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