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Capacitive Touch Key
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 Capacitive Touch Controller
 Capacitive Touch Key
 
Part No. Operating
Voltage
Operating
Clock
Cap-Sensor Flash
ROM
RAM GPIO
(25 mA)
Interface Hardware
Water
proof 
Hardware
Noise
Reduction
Package
ST1108 2.4V~3.6V 18M Hz 8 buttons or
Sliders
16.5 KB 3.5 KB 9 I2C / SPI / UART Yes Yes QFN32
ST1116 2.4V~3.6V 18M Hz 16 buttons or
Sliders
16.5 KB 3.5 KB 12 I2C / SPI / UART Yes Yes QFN48
ST1124 2.4V~3.6V 18M Hz 24 buttons or
Sliders
16.5 KB 3.5 KB 12 I2C / SPI / UART Yes Yes



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