ATQT600 Atmel, ATQT600 Datasheet - Page 163

• Manufacturer Part Number: ATQT600
• Description: KIT EVAL TOUCH FOR QT600
• Manufacturer: Atmel
• Series: QTouch™r

Specifications of ATQT600

• Sensor Type: Touch Screen
• Interface: USB
• Embedded: Yes, Other
• Utilized Ic / Part: ATtiny88, ATmega324PA, ATxmega128A1
• Processor To Be Evaluated: ATtiny88, ATmega324, ATxmega128
• Data Bus Width: 8 bit, 16 bit
• Interface Type: USB
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Operating Supply Voltage: 1.6 V to 3.6 V
• Silicon Manufacturer: Atmel
• Kit Application Type: Sensor
• Application Sub Type: Touch Sensor
• Kit Contents: USB Bridge, MCU Cards, Touchpad Cards
• Svhc: No SVHC (15-Dec-2010)
• Mcu Supported Families: ATtiny88,
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Supply: -
• Sensitivity: -
• Sensing Range: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

DEF_QT_QDEBUG_ENABLE
DEF_QT_NUM_SENSORS
DEF_QT_SENSOR_0_THRESHOLD,
DEF_QT_SENSOR_1_THRESHOLD,
DEF_QT_SENSOR_2_THRESHOLD,
DEF_QT_SENSOR_3_THRESHOLD,
DEF_QT_SENSOR_4_THRESHOLD
DEF_QT_SENSOR_0_HYSTERESIS,
DEF_QT_SENSOR_1_HYSTERESIS,
DEF_QT_SENSOR_2_HYSTERESIS,
DEF_QT_SENSOR_3_HYSTERESIS,
DEF_QT_SENSOR_4_HYSTERESIS
DEF_QT_SENSOR_0_RECAL_THRESHOLD,
DEF_QT_SENSOR_1_RECAL_THRESHOLD,
DEF_QT_SENSOR_2_RECAL_THRESHOLD,
DEF_QT_SENSOR_3_RECAL_THRESHOLD,
DEF_QT_SENSOR_4_RECAL_THRESHOLD
DEF_QT_DELAY_CYCLES
DEF_QT_ADC_CHANNEL_START_INDEX
DEF_QT_AKS_ENABLE
DEF_QT_DI
DEF_QT_NEG_DRIFT_RATE*(See Note 1)
DEF_QT_POS_DRIFT_RATE*(See Note 1)
DEF_QT_MAX_ON_DURATION
DEF_QT_DRIFT_HOLD_TIME
DEF_QT_POS_RECAL_DELAY
DEF_QT_NUM_SENSORS_SYM
DEF_QT_BURST_LENGTH
Table 18 QTouch Library for ATtiny20 Configuration parameters
Parameter
Enable/Disable QDebug debug data communication to QTouch
Studio.
QTouch number of Sensors.
Range: 1u to 5u.
Sensor detection threshold value.
Range: 1u to 255u.
Sensor detection hysteresis value. Refer hysteresis_t in
touch_api_tiny20.h
HYST_50 = (50% of Sensor detection threshold value)
HYST_25 = (25% of Sensor detection threshold value)
HYST_12_5 = (12.5% of Sensor detection threshold value)
HYST_6_25 = (6.25%, but value is hardlimited to 2)
Sensor recalibration threshold value. Refer recal_threshold_t in
touch_api_tiny20.h
RECAL_100 = (100% of Sensor detection threshold value)
RECAL_50 = (50% of Sensor detection threshold value)
RECAL_25 = (25% of Sensor detection threshold value)
RECAL_12_5 = (12.5% of Sensor detection threshold value)
RECAL_6_25 = (6.25%, but value is hardlimited to 4)
Delay cycles that determine the capacitance charge transfer time.
Range: 1, 2, 4, 8 or 10 internal System Clock cycles.
ADC Channel starting index.
Range: 1u to 7u.
Enable/Disable Adjacent Key suppression (AKS) on all channels.
Sensor detect integration (DI) limit.Range: 0u to 255u.
Refer
Sensor negative drift rate. Units: 100ms, Range: 1u to 127u.
Refer
Sensor positive drift rate. Units: 100ms, Range: 1u to 127u.
Refer
Sensor maximum on duration. Units: 100ms, Range: 0u to 255u.
Refer
Sensor drift hold time. Units: 100ms, Range: 1u to 255u.
Refer
Positive Recalibration delay. Range: 1u to 255u.
Refer
QTouch number of Sensors Symbol for QTouch Library.
MUST be the same as DEF_QT_NUM_SENSORS.
Specifies the no:of burst sequence required for a sensor. Multiple
burst for adjusting sensitivity by increasing the resolution of the Signal
measured.Use higher value for increasing sensitivity.
Values: 1u, 4u and 16u
Section 5.3
Section 5.3
Section 5.3
Section 5.3
Section 5.3
Section 5.3
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Section 5.4
Section 5.4
Section 5.4
Section 5.4
Section 5.4
Section 5.4
Description
for more info.
for more info.
for more info.
for more info.
for more info.
for more info.
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