ATAVRQTOUCHX Atmel, ATAVRQTOUCHX Datasheet - Page 148
![BOARD EVAL CAPACITIVE TOUCH](/photos/9/17/91788/atavrqtouchx_sml.jpg)
ATAVRQTOUCHX
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
Available stocks
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Manufacturer
Quantity
Price
Company:
Part Number:
ATAVRQTOUCHX
Manufacturer:
Atmel
Quantity:
135
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6.3.17.1.6 touch_qm_update_global_param
Arguments
p_global_param
6.3.17.1.7 touch_qm_get_global_param
Arguments
p_global_param
6.3.17.1.8 touch_qm_sensors_calibrate
Arguments
Void
6.3.17.1.9 touch_qm_sensors_start_acquisition
148
•
•
•
touch_ret_t touch_qm_sensors_calibrate( void )
•
•
Note: When disabling a sensor care must be taken such that all channels of the Sensor
are set to 1. If any of the channels are missed out, it will result in undesired behavior of
the Sensor.
disabled with a burst length value of 1, it will result in undesired behavior of the Sensor.
The touch_qm_sensors_calibrate API needs to be called whenever burst length is
updated for one or more channels before starting a new Touch measurement using the
touch_qm_sensors_start_acquisition API.
touch_ret_t touch_qm_update_global_param( touch_global_param_t *p_global_param )
This API can be used to update the QMatrix global parameters, with values different from
the ones initialized using touch_qm_sensors_init API.
touch_ret_t touch_qm_get_global_param( touch_global_param_t *p_global_param )
This API can be called to retrieve the QMatrix global parameters.
This API can be used to calibrate all configured Sensors.
Calibration of all Sensors must be performed when –
touch_ret_t touch_qm_sensors_start_acquisition(
o
o
All the Sensors have been configured using touch_sensor_config API after
initialization of the Touch Library.
A sensor or a group of Sensors have been disabled or re-enabled.
Type
touch_global_param_t
Type
touch_global_param_t
Similarly when re-enabling a Sensor, if one or more channels are left
Type
-
Comment
Pointer to user global parameters structure for
QMatrix.
Comment
Pointer to user global parameters structure for
QMatrix.
touch_qm_dma_t *p_touch_dma,
touch_time_t current_time_ms,
Comment
8207J-AT42-02/11
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