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Rainbow-electronics AT42QT4160 User Manual Page 1

Browse online or download User Manual for Audio accessories Rainbow-electronics AT42QT4160. Rainbow Electronics AT42QT4160 User Manual

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Note: This is a summary document. A
complete document is available under
NDA. For more information contact
www.atmel.com/touchscreen.
Features
• QField
™
Touchscreen:
– Up to 4.8 inches diagonal screen size supported
• Technology:
– Patented spread-spectrum charge-transfer (transverse mode)
• Panel Materials:
– Plastic, glass, composites, painted surfaces (low particle density metallic paints
possible)
• Adjacent Metal:
– Compatible with grounded metal immediately next to sensing channels
• Panel Thickness:
– 1 to 2 mm glass, 0.5 to 1.5 mm plastic
• Interface:
–I
2
C-compatible slave mode, 100 kHz or 400 kHz
• Moisture Tolerance:
– Best in class
• Power:
– 1.8V to 5.5V (2.5V to 5.5V in high speed mode)
• Packages:
– 32-pin 5 x 5 mm MLF RoHS compliant
• Signal Processing:
– Self-calibration, auto drift compensation, noise filtering
• Applications:
– Mobile electronics, terminals, appliances
• Patents:
– QMatrix
™
(patented Charge-transfer method)
– QField (patented Charge-transfer method, patent-pending QField optimized for
one-layer sensor element designs)
1. Pin-out and Pin Listing Descriptions
1.1 Device Pin-out
Y2A
Y1A
Y0A
RST
SCL
SDA
Y3B
Y2B
Vss
VREF
SMP
X0
X1
X2
X3
N/C
Y3A
CHANGE
Vss
Vdd
Vss
Vdd
N/C
N/C
N/C
Vdd
Vdd
Vss
A0
Y0B
Y1B
1
2
3
4
5
6
7
817
18
19
20
21
22
23
24
32
31
30
29
28
27
26
25
9
10
11
16
15
14
13
12
AT42QT4160
Vdd
QField
™
10-bit
Touchscreen
Sensor IC
AT42QT4160
Summary
9507AS–AT42–10/08
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1 2 3 4 5 6

Summary of Contents

Page 1 - Features

Note: This is a summary document. A complete document is available under NDA. For more information contact www.atmel.com/touchscreen.Features• QField™

Page 2 - AT42QT4160

29507AS–AT42–10/08AT42QT41601.2 Pin Listing DescriptionI Input only I/O Input and outputO Output only, push-pull X Clock resonatorOD Open drain output

Page 3

39507AS–AT42–10/08AT42QT41601.3 Wiring DiagramFigure 1-1. Wiring Diagram Suggested regulator manufacturers: • Torex (XC6215 series)• Seiko (S817 serie

Page 4

49507AS–AT42–10/08AT42QT41602. OverviewThe AT42QT4160 (QT4160) QField IC is a self-contained capacitive touchscreen controller thatemploys Atmel’s pat

Page 5

59507AS–AT42–10/08AT42QT41603. Revision HistoryRevision No. HistoryRevision AS – October 2008 Initial release for chip revision 7.0

Page 6 - Product Contact

9507AS–AT42–10/08Headquarters InternationalAtmel Corporation2325 Orchard ParkwaySan Jose, CA 95131USATel: 1(408) 441-0311Fax: 1(408) 487-2600Atmel Asi

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