at42qt4120 Quantum Research Group, at42qt4120 Datasheet
at42qt4120
Related parts for at42qt4120
at42qt4120 Summary of contents
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... Vss 5 20 Vdd ™ QField Touchscreen Sensor IC AT42QT4120 Summary Y1B Y0B A0 Vss Vdd Vdd Note: This is a summary document. A Vdd complete document is available under N/C NDA. For more information contact www.atmel.com/touchscreen. 10-bit 9506AS–AT42–10/08 ...
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... Y0B 24 Y1B 25 Y2B 26 N/C 27 SDA 28 SCL 29 RST 30 Y0A 31 Y1A 32 Y2A I Input only O Output only, push-pull OD Open drain output AT42QT4120 2 Type Comments O Not connected OD State change notification P Supply ground P Power P Supply ground P Power O Not connected O Not connected P Supply ground I Supply ground O Sample output ...
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... If not possible, add a 100nF capacitor next to those pins. N/C N/C N/C N/C N/C QT4120 N/C Rx3 CHANGE Rs2 Rs1 AT42QT4120 Rx2 Rx1 Rx0 Ry0 Cs0 Ry1 Cs1 Ry2 Cs2 NOTES: Rs0 1) The central pad on the underside of the chip is a Vss pin and should be connected to ground ...
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... Overview The AT42QT4120 (QT4120) QField self-contained capacitive touchscreen controller that employs Atmel’s patented transverse charge-transfer (QT senses changes in electrical charge forced across two electrode elements by a pulse edge (see Figure 2-1). Figure 2-1. The touchscreen is critical to the design and is specially patterned to improve linearity, limit hand shadow and keep the number of connection lines to a minimum ...
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... Revision History Revision No. Revision AS – October 2008 9506AS–AT42–10/08 History Initial release for chip revision 7.0 AT42QT4120 5 ...
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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 ...