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.
TOWER SYSTEM
Step-by-Step Installation Instructions
In this Quick Start Guide, you will learn
how to install the TWRPI touch module.
Install a TWRPI
1
Touch Module
•Identify an open touch sense or touch
pad TWRPI socket on a compatible
Tower controller module. Touch sense
sockets consist of two parallel shielded
male connectors. Touch pad sockets
consist of a single shielded male
connector.
•Carefully insert the TWRPI module into
the appropriate TWRPI socket. The
TWRPI module and socket are keyed to
only fit in the correct socket type in the
proper orientation.
Install Development and
2
Touch Sensing Software
•Check freescale.com/touchsensing
and the appropriate page for the
Tower controller module on
freescale.com/Tower for the latest
software for the TWRPI touch modules.
Follow Additional
3
Web Resources
•Additional resources, such as lab
software and guides, can be found at
freescale.com/Tower.
TOWER SYSTEM
To learn more about the TWRPI-TOUCH-STR
and other modules within the Tower System,
visit freescale.com/Tower
To become a member of the online Tower Geeks
community, visit towergeeks.org
Freescale, the Freescale logo and the Energy Efficient Solutions logo are
trademarks of Freescale Semiconductor, Inc., Reg. U.S. Pat. & Tm. Off. All
other product or service names are the property of their respective owners.
© 2011 Freescale Semiconductor, Inc.
Doc Number: TWRPISTRQSG REV 0
Agile Number: XXX-XXXXXX REV A
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