Microchip AT42QT1085 Manual

Microchip Ikke kategoriseret AT42QT1085

Læs gratis den danske manual til Microchip AT42QT1085 (30 sider) i kategorien Ikke kategoriseret. Denne vejledning er vurderet som hjælpsom af 16 personer og har en gennemsnitlig bedømmelse på 4.3 stjerner ud af 8.5 anmeldelser. Har du et spørgsmål om Microchip AT42QT1085, eller vil du spørge andre brugere om produktet?

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9625D–AT42–05/2013

Features

QTouch® Sensor Channels

Up to eight 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 × 6 mm or larger (panel thickness dependent); widely different sizes and shapes

possible, including solid or ring shapes

Key Spacing

7 mm or more, center to center (panel thickness dependent)

Layers required

One

Electrode Materials:

Etched copper, silver, carbon, ITO

Electrode Substrates:

PCB materials; polyamide FPCB; PET films, glass

Panel materials:

Plastic, glass, composites, painted surfaces (low particle density metallic paints

possible)

Panel Thickness:

Up to 10 mm glass, 5 mm plastic (electrode size dependent)

Key Sensitivity:

Individually configured over SPI interface

Signal Processing:

Self-calibration, auto drift compensation, noise filtering

Patented Adjacent Key Suppression

® (AKS®) technology to ensure accurate key

detection

Interface:

Master/Slave SPI interface, up to 750 kHz

Object-based communications protocol

Power:

2.0 V to 5.5 V

Packages:

32-pin 5 × 5 mm QFN RoHS compliant

32-pin 7 × 7 mm TQFP RoHS compliant

Atmel AT42QT1085

Eight-key QTouch® Touch Sensor IC

DATASHEET

Produkt Specifikationer

Mærke:	Microchip
Kategori:	Ikke kategoriseret
Model:	AT42QT1085

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