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AT42QT1085 - QTouch 8-key Touch Sensor

General Description

Pin Listing Name GPIO0 GPIO1 GPIO2 VDD VSS GPIO3 GPIO4 GPIO5 GPIO6 GPIO7 GPIO8 Type I/O I/O I/O P P I/O I/O I/O I/O I/O I/O Comments General Purpose IO General Purpose IO General Purpose IO Power Ground General Purpose IO General Purpose IO General Purpose IO General Purpose IO General Purpose IO G

Key Features

  • QTouch® Sensor Channels.
  • Up to 8 keys.
  • Integrated Haptic Engine.
  • Haptic events may be triggered by touch detection or controlled by a host microcontroller over SPI Data Acquisition.
  • QTouchADC key measurement/touch detection method.
  • Configurable measurement timing and averaging.
  • Spread spectrum charge transfer.
  • Raw data from channel measurement can be read over the SPI interface GPIO Pins.
  • 12 dedicated bi-direction.

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Other Datasheets by Atmel (now Microchip Technology)

Part Number Description
AT42QT1010 One-channel Touch Sensor
AT42QT1011 One-channel Touch Sensor
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AT42QT1040 Touch Sensor
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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Features • QTouch® Sensor Channels – Up to 8 keys • Integrated Haptic Engine – Haptic events may be triggered by touch detection or controlled by a host microcontroller over SPI Data Acquisition – QTouchADC key measurement/touch detection method – Configurable measurement timing and averaging – Spread spectrum charge transfer – Raw data from channel measurement can be read over the SPI interface GPIO Pins – 12 dedicated bi-directional GPIO pins, plus up to 4 additional pins (replacing keys) – Configurable as software PWM Drive, digital inputs or outputs Device setup – Device configuration may be stored in NVRAM Operation – Power-On reset and brown-out detection – Internal calibrated oscillator Key Outline Sizes – 6 mm x 6 mm or larger (panel thickness dependent); widely different sizes an