Freescale-Capacitive-Touch-Tower-Plug-In-Starter-Kit-Freescale-TWRPI-TOUCH-STR-The-TWRPI-TOUCH-STR-features-compatibility-with-the-Freescale-Tower-System-modules-with-touch-sense-&-touch-pad-tower-plug-In-TWRPI-sockets-TWRPI-TSS-Touch-sense-TWRPI-with-pull-up-resistors-for-use-with-MCUs-running-touch-sense-software-TSS-&-interfacing-to-touch-pad-TWRPIs-using-GPIO-signals-as-well-as-TWRPI-MPR121-Touch-sense-TWRPI-with-Freescale-MPR121-touch-sense-controller-manages-touch-interfaces