Rainbow Electronics AT42QT5480 - Manual

Note: This is a summary document. A
complete document is available under
NDA. For more information contact
www.atmel.com/touchscreen.
Features
• Configurations:
– Can be configured as a combination of touchscreen, sliders/wheels and keys, with
Adjacent Key Suppression ™ (AKS ™ ) technology between groups
• QField ™ Touchscreen:
– Two-touch capable with independent XY tracking for one or two concurrent
touches in real time, with touch size reporting
– Up to eight-inch diagonal screen size supported
– 1024 x 1024 resolution
• Discrete Keys:
– Up to 48 (subject to other configurations)
• QSlide ™ /QWheel ™ :
– Configurable up to six independent sliders/wheels
• Linearity:
– Screen design dependent but typically better than ±1 percent
• Filtering:
– Advanced digital filtering (user configurable)
• Response Times:
– Sub 15 ms possible, depending on filter settings
• General Purpose Outputs (GPOs):
– Up to four user controllable outputs
• Technology:
– Patented charge-transfer (transverse mode)
• Panel Thickness:
– Glass up to 5 mm, screen size dependent
– Plastic up to 3 mm, screen size dependent
• Channel Sensitivity:
– Individually settable via simple commands over serial interface
• Interface:
– I 2 C-compatible slave mode, 100 kHz or 400 kHz with 2.7V or greater Vdd
• Power:
– 1.8V to 5.5V (2.7V to 5.5V in high speed mode)
• Packages:
– 44-pin 7 x 7 mm MLF RoHS compliant
– 44-pin 10 x 10 mm TQFP RoHS compliant
– 49-ball 5 x 5 mm BGA RoHS compliant
• Signal Processing:
– Self-calibration, auto drift compensation, noise filtering, Adjacent Key
Suppression technology
QTwo™ 10-bit
Touchscreen
Controller
AT42QT5480
Summary
9510AS–AT42–10/08