ATAVRQTOUCHX Atmel, ATAVRQTOUCHX Datasheet - Page 3

• 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

5.6.5
5.6.6
5.6.7
5.6.8
5.6.9
5.6.10
5.6.11
5.6.4.3
5.6.4.4
5.6.4.5
5.6.4.6
5.6.5.1
5.6.5.2
5.6.5.3
5.6.5.4
5.6.5.5
5.6.5.6
5.6.5.7
5.6.5.8
5.6.5.9
5.6.5.10
5.6.6.1
5.6.6.2
5.6.6.3
5.6.6.4
5.6.6.5
5.6.7.1
5.6.7.2
5.6.7.3
5.6.10.1
5.6.10.2
5.6.10.3
5.6.10.4
5.6.11.1
5.6.11.2
5.6.11.3
5.6.11.4
5.6.11.5
5.6.11.6
5.6.6.1.1
5.6.6.1.2
5.6.10.2.1
5.6.10.2.2
5.6.10.2.3
5.6.10.3.1
5.6.10.3.2
5.6.10.3.3
5.6.10.4.1
5.6.11.2.1
5.6.11.2.2
5.6.11.2.3
5.6.11.2.4
5.6.11.3.1
5.6.11.3.2
5.6.11.3.3
Public Functions.....................................................................................................................27
Sequence of Operations and Using the API...........................................................................32
Constraints .............................................................................................................................43
Frequency of operation (Vs) Charge cycle/dwell cycle times: ................................................45
Interrupts ................................................................................................................................46
Integrating QTouch libraries in your application .....................................................................46
Example project files ..............................................................................................................61
qt_touch_lib_measure_data_t .......................................................................... 25
qt_burst_lengths ............................................................................................... 25
tag_sensor_t ..................................................................................................... 26
qt_lib_siginfo_t.................................................................................................. 26
qt_set_parameters............................................................................................ 27
qt_enable_key .................................................................................................. 28
qt_enable_rotor................................................................................................. 28
qt_enable_slider ............................................................................................... 29
qt_init_sensing.................................................................................................. 29
qt_measure_sensors ........................................................................................ 30
qt_calibrate_sensing......................................................................................... 30
qt_reset_sensing .............................................................................................. 31
qt_get_sensor_delta ......................................................................................... 31
qt_get_library_sig ............................................................................................. 31
Channel Numbering.......................................................................................... 32
Sensor Numbering............................................................................................ 40
Filtering Signal Measurements ......................................................................... 41
Allocating unused Port Pins for User Application ............................................. 42
Disabling and Enabling of Pull-up for AVR devices.......................................... 43
QTouch acquisition method constraints ........................................................... 43
QMatrix acquisition method constraints............................................................ 44
Design Guidelines for QMatrix acquisition method systems ............................ 45
Directory structure of the library files ................................................................ 46
Integrating QTouch acquisition method libraries in your application................ 47
Integrating QMatrix acquisition method libraries in your application ................ 53
Common checklist items................................................................................... 60
Using the Sample projects................................................................................ 62
Example applications for QTouch acquisition method libraries........................ 62
Example applications for QMatrix acquisition method libraries ........................ 66
Adjusting the Stack size when using IAR IDE .................................................. 69
Optimization levels............................................................................................ 70
Debug Support in Example applications........................................................... 71
Channel numbering when using QTouch acquisition method ...................... 32
Channel numbering when using QMatrix acquisition method ...................... 38
Example for 8bit AVR ................................................................................. 50
Example for ATSAM ................................................................................... 51
Checklist of items for integrating QTouch acquisition method libraries...... 52
Example ...................................................................................................... 56
Resources used by QMatrix acquisition method libraries .......................... 59
Checklist of items for integrating QMatrix Capacitive sensing libraries...... 60
Configuring the stack size for the application ............................................. 60
Selecting the right configuration ................................................................. 62
Changing the settings to match your device............................................... 63
Changing the library configuration parameters........................................... 64
Using the example projects ........................................................................ 66
Selecting the right configuration ................................................................. 66
Changing the library configuration parameters........................................... 67
Using the example projects ........................................................................ 69
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