ATAVRQTOUCHX Atmel, ATAVRQTOUCHX Datasheet - Page 106

• Manufacturer Part Number: ATAVRQTOUCHX
• Description: BOARD EVAL CAPACITIVE TOUCH
• Manufacturer: Atmel
• Series: QTouch™r

Specifications of ATAVRQTOUCHX

• Sensor Type: Touch, Capacitive
• Sensing Range: 1 Slider, 1 Wheel, 2 Buttons
• Interface: USB
• Voltage - Supply: 5V, USB
• Embedded: Yes, MCU, 8-Bit
• Utilized Ic / Part: AT90USB1287, ATxmega128A1
• Silicon Manufacturer: Atmel
• Silicon Family Name: ATxmega
• Kit Contents: Board
• Svhc: No SVHC (15-Dec-2010)
• Core Architecture: AVR
• Core Sub-architecture: AVR19
• Kit Features: One Slider, One Wheel And 2
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Sensitivity: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

6.3.1.3
6 Device Specific Libraries
6.1 Introduction
This section provides an overview of the usage of Device specific QTouch Libraries. Device
Specific Libraries have been provided for special devices, which are not covered as part of
Generic Libraries.
6.2 Devices supported
The following devices are covered by the Device Specific QTouch Libraries.
6.3 QTouch Library for AT32UC3L devices
ATMEL QTouch Library for UC3L can be used for embedding capacitive touch buttons, sliders
and wheels functionality into UC3L application. The QTouch Library for UC3L uses the Capacitive
Touch Module (CAT) that senses touch on external capacitive touch sensors.
This Section describes the QTouch Library Application Programming Interface (API) for QMatrix
and QTouch method acquisition using the AT32UC3L devices.
6.3.1
6.3.1.1
6.3.1.2
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1. AT32UC3L family devices.
2. ATtiny20 and ATtiny40 device.
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Salient Features of QTouch Library for UC3L
N Touch Channels formed by an X by Y matrix require (X+2Y+1) physical pins, N=X*Y.
1 to 136 Touch Channels can be configured.
Max X Lines = 17, Max Y Lines = 8.
Button is formed using 1 Touch Channel.
Slider is formed using 3 to 8 Touch Channels.
Wheel is formed using 3 to 8 Touch Channels.
2 Physical pins per Touch Channel.
QTouch Sensors can be divided into two groups Group A and Group B.
Each QTouch group can be configured with different properties.
1 to 17 Touch Channels can be configured.
Button is formed using 1 Touch Channel.
Slider is formed using 3 Touch Channels.
Wheel is formed using 3 Touch Channels.
A Single QTouch sensor that is capable of detecting touch or proximity without CPU
intervention.
QMatrix method sensor
QTouch method sensor
Autonomous QTouch sensor
8207J-AT42-02/11