at42qt5320 Quantum Research Group, at42qt5320 Datasheet

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at42qt5320

Manufacturer Part Number
at42qt5320
Description
Qtwo? 10-bit Touchscreen Controller
Manufacturer
Quantum Research Group
Datasheet
Features
Configurations:
QField
Discrete Keys:
QSlide
Linearity:
Filtering:
Response Times:
Technology:
Panel Thickness:
Channel Sensitivity:
Interface:
Power:
Packages:
Signal Processing:
– Can be configured as a combination of touchscreen, sliders/wheels and keys, with
– Two-touch capable with independent XY tracking for one or two concurrent
– Up to eight-inch diagonal screen size supported
– 1024 x 1024 resolution
– Up to 32 (subject to other configurations)
– Configurable up to four independent sliders/wheels
– Screen design dependent but typically better than ±1 percent
– Advanced digital filtering (user configurable)
– Sub 15 ms possible, depending on filter settings
– Patented charge-transfer (transverse mode)
– Glass up to 5 mm, screen size dependent
– Plastic up to 3 mm, screen size dependent
– Individually settable via simple commands over serial interface
– I
– 1.8V to 5.5V (2.7V to 5.5V in high speed mode)
– 32-pin 5 x 5mm MLF RoHS compliant
– Self-calibration, auto drift compensation, noise filtering, Adjacent Key
Adjacent Key Suppression
touches in real time, with touch size reporting
Suppression technology
2
C-compatible slave mode, 100 kHz or 400 kHz with 2.7V or greater Vdd
/QWheel
Touchscreen:
:
(AKS
) technology between groups
QTwo™ 10-bit
Touchscreen
Controller
AT42QT5320
Summary
Note: This is a summary document. A
complete document is available under
NDA. For more information contact
www.atmel.com/touchscreen.
9509AS–AT42–10/08

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at42qt5320 Summary of contents

Page 1

... Self-calibration, auto drift compensation, noise filtering, Adjacent Key Suppression technology ™ (AKS ) technology between groups QTwo™ 10-bit Touchscreen Controller AT42QT5320 Summary Note: This is a summary document. A complete document is available under NDA. For more information contact www.atmel.com/touchscreen. 9509AS–AT42–10/08 ...

Page 2

Pinout and Schematic 1.1 Pinout Configuration CHANGE 1.2 Pin Descriptions Table 1-1. Pin Listing Pin Name Type 1 Y3A I 2 CHANGE OD 3 Vss P 4 Vdd P 5 Vss P 6 Vdd ...

Page 3

Table 1-1. Pin Listing Pin Name Type 18 Vdd P 19 FORCE_S I 20 Vdd P 21 Vss Y0B I 24 Y1B I 25 Y2B I 26 Y3B I 27 SDA OD 28 SCL OD ...

Page 4

Schematic Figure 1-1. Typical Circuit Follow regulator manufacturer's recommended values for input and output bypass capacitors (Creg). Vunreg VREG Creg Creg VDD Rp Rp SDA I2C SCL VDD Rp CHANGE TRIGGER FORCE SENSOR ADDRESS SELECT Suggested regulator manufacturers: • ...

Page 5

Overview of the QT5320 2.1 Introduction The QT5320 is a versatile capacitive touchscreen controller, able to support a diagonal touchscreen inches. The IC supports Two Touch of devices from Atmel The QT5320 uses Atmel's patented ...

Page 6

Figure 2- Object Color Code QT5320 6 Example Touchscreen Configurations QT5320 disabled = key = slider = touchscreen QT5320 ...

Page 7

Revision History Revision No. Revision AS – October 2008 9509AS–AT42–10/08 History Initial release for chip revision 5.0 QT5320 7 ...

Page 8

Headquarters Atmel Corporation 2325 Orchard Parkway San Jose, CA 95131 USA Tel: 1(408) 441-0311 Fax: 1(408) 487-2600 Disclaimer: The information in this document is provided in connection with Atmel products. No license, express or implied, by estoppel or otherwise, to ...

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