AT42QT2100_14 datasheet(24/44 Pages) ATMEL

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AT42QT2100 Datasheet(PDF) 24 Page - ATMEL Corporation

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AT42QT2100 [DATASHEET]

9554E–AT42–01/13

EK: Key(s) in Error: If EK = 1, there is a sufficient decrease in capacitance of one or more normal key(s)

from the reference level. The affected key will be recalibrated if this condition is seen for more than 1.5

seconds.

EW: Slider/Wheel in Error: If EW = 1, there is a sufficient decrease in capacitance of the slider/wheel from

the reference level. The slider/wheel will be recalibrated if this condition is seen for six successive cycles.

CK: Key(s) in Calibration: If CK = 1, one or more key(s) are being calibrated.

CW: Slider/Wheel in Calibration: If CW = 1, the slider/wheel is being calibrated.

Byte 1

K1–K7: Contains the key states of each key. A 1 in a bit position means the key is confirmed as being

touched.

W: The state of the wheel/rotor. A 1 means the slider/wheel is confirmed as being touched.

Byte 2

Position: The position of touch on the slider/wheel. If the slider/wheel is not being touched, the position will

be the position of the last touch.

Manufacturer	Part #	Datasheet	Description
ATMEL Corporation	AT42QT2100-AU	478Kb / 44P	QTouch Touch Sensor IC

Manufacturer	Part #	Datasheet	Description
ATMEL Corporation	AT42QT2100-AU	478Kb / 44P	QTouch Touch Sensor IC
	AT42QT2100	478Kb / 44P	QTouch Touch Sensor IC
	AT42QT1060	456Kb / 36P	Six-channel QTouch Touch Sensor IC
	AT42QT1111-AU	695Kb / 50P	11-key QTouch Touch Sensor IC
	AT42QT1111-MU	695Kb / 50P	11-key QTouch Touch Sensor IC
	AT42QT1110-MZ	668Kb / 50P	11-key QTouch Touch Sensor IC
	AT42QT1085	394Kb / 30P	QTouch 8-key Touch Sensor IC
	AT42QT1110-AU	693Kb / 50P	11-key QTouch Touch Sensor IC
	AT42QT1110-AZ	668Kb / 50P	11-key QTouch Touch Sensor IC
	AT42QT1040	270Kb / 22P	Four-key QTouch Touch Sensor IC

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