Microchip Technology AT42QT1010 User Manual
Preface
AT42QT1010
AT42QT1010 - Evaluation Kit User's Guide
Important: Notice to customers:
All documentation becomes dated, and this manual is no exception. Microchip tools and
documentation are constantly evolving to meet customer needs, so some actual dialogs and/or
tool descriptions may differ from those in this document. Please refer to our website
(www.microchip.com) to obtain the latest documentation available.
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page, in front of the page number. The numbering convention for the DS number is
“DSXXXXXA”, where “XXXXX” is the document number and “A” is the revision level of the
document.
For the most up-to-date information on development tools, see the MPLAB® IDE online help.
Select the Help menu, and then Topics to open a list of available online help files.
Introduction
The AT42QT1010 Evaluation Kit shows touch and proximity capabilities of the AT42QT series of touch
turnkey products.
The kit has one self-capacitance touch button with the option to connect an external sensing electrode
using SMD test pad (TP). An on-board LED indicates the touch status.
Recommended Reading
For the latest information on the device, refer to https://www.microchip.com/wwwproducts/en/
AT42QT1010.
© 2018 Microchip Technology Inc.
User Guide
DS40002062A-page 1
AT42QT1010
Table of Contents
Preface............................................................................................................................ 1
1. Introduction................................................................................................................3
1.1. Features and Overview................................................................................................................ 3
1.2. Functional Block Diagram............................................................................................................ 3
2. Getting Started.......................................................................................................... 4
2.1. Quick Start....................................................................................................................................4
2.2. Touch Status LED.........................................................................................................................4
3. User Guide................................................................................................................ 5
3.1. Powering the Board......................................................................................................................5
3.2. Operation Modes..........................................................................................................................5
4. Documentation and Relevant Links...........................................................................6
5. Hardware Revision History and Known Issues..........................................................7
5.1. Identifying Product ID and Revision............................................................................................. 7
5.2. Revision 4.....................................................................................................................................7
6. Document Revision History ...................................................................................... 8
The Microchip Web Site.................................................................................................. 9
Customer Change Notification Service............................................................................9
Customer Support........................................................................................................... 9
Microchip Devices Code Protection Feature................................................................... 9
Legal Notice...................................................................................................................10
Trademarks................................................................................................................... 10
Quality Management System Certified by DNV.............................................................11
Worldwide Sales and Service........................................................................................12
© 2018 Microchip Technology Inc.
User Guide
DS40002062A-page 2
1. Introduction
AT42QT1010
Selfcapacitance
Line
Power-in
Sensor
Status
Sensor
Button
Test Pin for
External Sensor
1.1 Features and Overview
• One Touch Sensor – configurable as either a single key or a proximity sensor (configurable
sensitivity)
• Option to Connect External Sensing Electrode
• Mode of Operations:
– Sync
– Normal
– Low Power
• Technology: Spread-Spectrum Charge-Transfer (Direct mode)
• Status LED to indicate Touch
• On-Board Self-Capacitance Sensor
– size: 9x16 mm
• USB Power Input
AT42QT1010
Introduction
1.2 Functional Block Diagram
Figure 1-1. Functional Block Diagram
© 2018 Microchip Technology Inc.
User Guide
DS40002062A-page 3
2. Getting Started
AT42QT1010
USB Connector
Sensor
Mode Select
Touch Status LED
2.1 Quick Start
Figure 2-1. Quick Start
AT42QT1010
Getting Started
2.2 Touch Status LED
By default, the LED will illuminate during power-up and will turn off upon touching the self-capacitance
key.
© 2018 Microchip Technology Inc.
User Guide
DS40002062A-page 4
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