SX8634I05AWLTRT SEMTECH [Semtech Corporation], SX8634I05AWLTRT Datasheet - Page 28
SX8634I05AWLTRT
Manufacturer Part Number
SX8634I05AWLTRT
Description
Low Power, Capacitive Button and Slider Touch Controller with Enhanced LED
Manufacturer
SEMTECH [Semtech Corporation]
Datasheet
1.SX8634I05AWLTRT.pdf
(80 pages)
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SX8634
Low Power, Capacitive Button and Slider Touch Controller
(12 sensors) with Enhanced LED Drivers and Proximity Sensing
ADVANCED COMMUNICATIONS & SENSING
DATASHEET
GPO ON transition (LED fade in), inverted polarity, (a) linear, (b) logarithmic
Figure 32
The fading out (e.g. after a button is released) is identical to the fading in but an additional off delay can be added
before the fading starts (Figure 33 and Figure 34).
GPO OFF transition (LED fade out), normal polarity, (a) linear, (b) logarithmic
Figure 33
GPO OFF transition (LED fade out), inverted polarity, (a) linear, (b) logarithmic
Figure 34
Please note that standard high/low logic signals are just a specific case of GPO mode and can also be generated
simply by setting inc/dec time to 0 (ie OFF) and programming intensity OFF/ON to 0x00 and 0xFF.
Revision 7_6, October 10
© 2010 Semtech Corp.
www.semtech.com
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