ATAVRQTOUCHX Atmel, ATAVRQTOUCHX Datasheet - Page 165

• 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

Data memory for ATtiny20 QTouch Library include the following.
Const Data memory for ATtiny20 QTouch Library include the following.
6.5 QTouch Library for ATtiny40 device
ATMEL QTouch Library for ATtiny40 can be used for embedding capacitive touch buttons
functionality into ATtiny40 device application.
This Section describes the QTouch Library Application Programming API and Configuration
interface for QTouch method acquisition using the ATtiny40 devices.
6.5.1
6.5.1.1
10. QTouch Library data memory – 19 bytes, allocated inside the Library.
11. channel_signals – 2 bytes per Sensor, allocated in main.c
12. channel_references – 2 bytes per Sensor, allocated in main.c
13. sensor_delta – 2 bytes per Sensor, allocated in main.c
14. sensor_general_counter – 2 bytes per Sensor, allocated in main.c
15. sensor_state – 1 byte per Sensor, allocated in main.c
16. sensor_ndil_counter – 1 byte per Sensor, allocated in main.c
17. sensor_states – 1 byte, allocated in main.c
1. sensor_threshold, 1 byte per Sensor, allocated in main.c
2. sensor_hyst_threshold, 1 byte per Sensor, allocated in main.c
3. sensor_recal_threshold, 1 byte per Sensor, allocated in main.c
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Salient Features of QTouch Library for ATtiny40
One Physical pin per Touch Button.
1 to 12 Touch Buttons can be configured.
Individual Sensor Threshold, Sensor Hysteresis and Sensor Global acquisition
parameters can be configured.
Signal resolution can be configured.
Adjacent Key Supression (AKS) support.
QTouch Studio support for Touch data analysis.
‘C’ Programming interface for easy inclusion of User application.
QTouch method sensor
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