Freescale Semiconductor TWRPI-TOUCH-STR User guide

Quick Start Guide

Capacitive Touch Tower Plug-In
Starter Kit

(TWRPI-TOUCH-STR)

TOWER SYSTEM

Quick Start Guide

Get to Know the TWRPI-TOUCH-STR

Features

•Compatible with the Freescale
Tower System modules with touch sense
and 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) and
interfacing to touch pad TWRPIs using
GPIO signals

•TWRPI-MPR121: Touch sense TWRPI

with Freescale MPR121 touch sense
controller. Manages touch interfaces to
touch pad TWRPIs and communicates
back to the host MCU via I

•TWRPI-ROTARY: Touch pad TWRPI

with a discrete, non-multiplexed rotary
touch pad interface

•TWRPI-KEYPAD: Touch pad TWRPI

with a classic 12-button keypad interface

2

C.