Introduction; Features And Overview; Functional Block Diagram - Microchip Technology AT42QT1010 User Manual

1.

Introduction

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
1.2

Functional Block Diagram

Figure 1-1. Functional Block Diagram
Sensor
Button
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2018 Microchip Technology Inc.
Self-
capacitance
Line
Test Pin for
External Sensor
AT42QT1010
Sensor
Status
User Guide
AT42QT1010
Introduction
Power-in
DS40002062A-page 3