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