at42qt2100 ATMEL Corporation, at42qt2100 Datasheet - Page 25

• Manufacturer Part Number: at42qt2100
• Description: Qtouch Touch Sensor Ic
• Manufacturer: ATMEL Corporation

9554CX–AT42–11/11
Byte 1
Byte 2
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.
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.
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.
AT42QT2100
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