TOWER SYSTEM
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Quick Start Guide
Get to Know the TWR-K20D50M
General Purpose
Tower Plug-In
Microphone
Potentiometer
Power/OSJTAG
Mini-AB USB
Connector
SW2
SW3
K20 MicroUSB
Connector
JM60 BDM
JM60 Bootloader
Enable
SW1 (Reset)
Touch TWRPI
Socket
Enable Options 2
LED Green
and BLue
LED/Touch
Buttons
JTAG
Connector
Device Enable
Options 1
Regulator
Option Selector
Board Power
Selector
Figure 1:
Front side of TWR-K20D50M
module (TWRPI devices not shown).
Step-by-Step Installation Instructions
Download Software
and Tools
Get the installation software
and documentation under
“Jump Start Your Design” at
freescale.com/TWR-K20D50M
.
Install Software and Tools
Install the OSBDM/OSJTAG Tower
Toolkit to install the OSJTAG and
USB-to-Serial drivers.
Configure the Hardware
Connect one end of the USB cable
to the PC and the other end to the
Power/OSJTAG mini-B connector
on the TWR-K20D50M module.
Allow the PC to automatically
configure the USB drivers if needed.
Press Switches and
Touch Electrodes
A tone will beep when SW2 or
SW3 are pushed, touch the pads
on E1-E2 and LEDs will turn on.
Tilt the Board
Sound can be heard through
the board buzzer depending on
inclination angle.
Clap or Whistle Near the
Board Microphone
Your TWR-K20D50M will respond
with a tone.
Explore Further
Explore Kinetis 50 MHz devices
ultra-low power modes and USB
communication by conducting
the additional Labs located at
freescale.com/TWR-K20D50M
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