TOWER SYSTEM
Get to Know the TWR-K40X256
Primary
Connector
Infra-red
General Purpose
Tower Plug-In
(TWRPI) Socket
SW5 (Reset)
Power/OSJTAG
Mini-B USB
Connector
Secondary
Connector
Figure 1: Front Side of TWR-K40X256 Module Not Including TWRPI.
SW3
SW4
Touch/SLCD
TWRPI Socket
LED/Touch
Buttons
E1–E4
MK40X256
VMD100
Microcontroller
MMA7660
Accelerometer
TWR-K40X256
The TWR-K40X256 microcontroller module is part of the Freescale Tower System,
a modular development platform that enables rapid prototyping and tool re-use
through reconfigurable hardware. Take your design to the next level and begin
constructing your Tower System today by visiting
freescale.com/tower
for
additional Tower System microcontroller modules and compatible peripherals.
TOWER SYSTEM
Step-by-Step Installation Instructions
In this Quick Start Guide, you will learn how to set up the TWR-K40X256
module and run the default demonstration.
STEP
1
Install the Software
and Tools
STEP
Install the P&E Micro Kinetis Tower Toolkit
to install the OSJTAG and USB-to-Serial
drivers. These can be found on the DVD
under Software.
Tilt the board side to side to
see the LEDs on E1–E4 light up as
it is tilted.
3
Tilt the Board
STEP
4
STEP
Install the included battery into
the VBAT (RTC) battery holder. Then plug
in the included Segment LCD Tower
Plug-In (TWRPI-SLCD) into the Touch/
SLCD TWRPI socket. Finally, connect one
end of the USB cable to the PC and the
other end to the Power/OSJTAG mini-B
connector on the TWR-K40X256 module.
Allow the PC to automatically configure
the USB drivers if needed.
2
Configure the Hardware
Navigate the
Segment LCD
The Segment LCD will come up
displaying the seconds elapsed since
boot-up. Press
SW4
to toggle between
viewing the seconds, hours and minutes,
potentiometer percent, and temperature.
Quick Start Guide for TWR-K40X256
TOWER SYSTEM
Explore Further by
Conducting Lab 1:
TWR-K40X256 Quick Start
Demo
STEP
5
Explore all the features and capabilities
of the pre-programmed demo by
reviewing the lab document located at
freescale.com/TWR-K40X256.
Learn More
About the Kinetis
K40 Microcontrollers
STEP
6
Find more MQX and bare-metal
labs and software for the Kinetis
K40 microcontrollers at
freescale.com/TWR-K40X256.