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AT42QT2100 Datasheet(PDF) 42 Page - ATMEL Corporation |
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AT42QT2100 Datasheet(HTML) 42 Page - ATMEL Corporation |
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42 / 44 page  42 AT42QT2100 [DATASHEET] 9554E–AT42–01/13 A.3 Spread Spectrum Implementation A SPREAD pin is provided which may be tied to Vdd or Ground via a resistor to enable/disable spread-spectrum operation. A.4 Component Retuning In general it is expected that unchanged sense components will show little difference with the QT2100 for the same sensor electrodes as the QT1106, but there may be cases where performance is improved by retuning component values of Cs and Rs to the application circuit. A.5 Components An external oscillator is not required for QT2100. A.6 Proximity On the QT2100 any of the keys can be configured as proximity sensors but see Section 4.3.6 on page 15 for the exception to this. 26 SNSKA SNSA 27 SNSA3 28 SNSKA SNSA 29 RESET 30 SNSB1 31 SNSKB SNSB 32 SNSB2 Table A-1. Pin Compatibility (Continued) Pin QT2100 Name QT1106 Compatibility |
Similar Part No. - AT42QT2100_14 |
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Similar Description - AT42QT2100_14 |
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