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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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SX8661 데이터시트(PDF) 13 Page - Semtech Corporation |
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SX8661 데이터시트(HTML) 13 Page - Semtech Corporation |
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13 / 88 page  ADVANCED COMMUNICATIONS & SENSING DATASHEET Revision v3.2, January 2011 © 2011 Semtech Corp. www.semtech.com 13 SX8661 Low Power, Capacitive Button Touch and Proximity Controller (8 sensors) with LED Drivers and Analog Output Figure 7 Quickstart LED and AOI reporting Figure 7 shows the reporting on the LEDs and the AOI for the quickstart application. The LEDs operate in triple reporting mode. In triple reporting mode the LEDs have three light intensities. - OFF: out of proximity, no touch, - Proximity: proximity detected, - ON: button touched. In case no fingers/hand is detected (out of proximity) all LEDs will be OFF and the AOI indicates the idle level. In case a finger/hand is approaching proximity is detected and all LEDs will light up to 50% of the maximum intensity. The AOI goes to the proximity voltage level (in the quickstart application the proximity level is chosen identical to the idle level). In case a button is touched the corresponding LED will go to 100% of intensity and the AOI voltage level indicates the button that is touched. |
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