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AT42QT5480 Datasheet, PDF (1/10 Pages) ATMEL Corporation – Patented charge-transfer (transverse mode) | |||
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Features
⢠Configurations:
â Can be configured as a combination of touchscreen, sliders/wheels and keys, with
Adjacent Key Suppression⢠(AKSâ¢) technology between groups
⢠QField⢠Touchscreen:
â Two-touch capable with independent XY tracking for one or two concurrent
touches in real time, with touch size reporting
â Up to eight-inch diagonal screen size supported
â 1024 x 1024 resolution
⢠Discrete Keys:
â Up to 48 (subject to other configurations)
⢠QSlideâ¢/QWheelâ¢:
â Configurable up to six independent sliders/wheels
⢠Linearity:
â Screen design dependent but typically better than ±1 percent
⢠Filtering:
â Advanced digital filtering (user configurable)
⢠Response Times:
â Sub 15 ms possible, depending on filter settings
⢠General Purpose Outputs (GPOs):
â Up to four user controllable outputs
⢠Technology:
â Patented charge-transfer (transverse mode)
⢠Panel Thickness:
â Glass up to 5 mm, screen size dependent
â Plastic up to 3 mm, screen size dependent
⢠Channel Sensitivity:
â Individually settable via simple commands over serial interface
⢠Interface:
â I2C-compatible slave mode, 100 kHz or 400 kHz with 2.7V or greater Vdd
⢠Power:
â 1.8V to 5.5V (2.7V to 5.5V in high speed mode)
⢠Packages:
â 44-pin 7 x 7 mm MLF RoHS compliant
â 44-pin 10 x 10 mm TQFP RoHS compliant
â 49-ball 5 x 5 mm BGA RoHS compliant
⢠Signal Processing:
â Self-calibration, auto drift compensation, noise filtering, Adjacent Key
Suppression technology
QTwo⢠10-bit
Touchscreen
Controller
AT42QT5480
Summary
Note: This is a summary document. A
complete document is available under
NDA. For more information contact
www.atmel.com/touchscreen.
9510ASâAT42â10/08
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