Freescale Semiconductor MED-EKG User manual

Quick Start Guide
MED-EKG
Electrocardiograph
Plug-in Board
TOWER SYSTEM

MED-EKG
Freescale Tower System
The MED-EKG plug-in board is compatible with the Freescale
Tower System, a modular development platform that enables rapid
prototyping and tool re-use through reconfigurable hardware. Elevate
your design to the next level with this industrial powerhouse by
building your Tower System today.
Quick Start Guide
Get to Know the MED-EKG Board
Linear®Instrumentation Amplifier
Power on LED
Optional External Opamps Pad
MC56F8006
Digital Signal Controller (DSC)
On-Board Finger
Electrodes
2
Medical
Connector
External
Electrodes
Connector

MED-EKG is an auxiliary board used for developing
solutions oriented to electrocardiography and heart rate
monitoring. This board allows designers to accelerate
the development of medical devices based on
electrocardiography, providing a scalable solution that
can be adjusted to the final product needs.
Features
•TowerSystemcompatible•Integratesallrequiredcomponentsforelectrocardiographdevelopment
•Fourfingerelectrodes•Externalelectrodesconnectorforincreasedaccuracy•MC56F8006DSCincludedontheboardMED-EKG Features
3

Quick Start Guide
4
1
Verify the Jumper
Configuration
Verify the jumper configuration on
each board according to the Jumper
Configurations table found later in this
guide.
2
Assemble the
Tower System
Assemble the Tower System by matching
primary and secondary sides on the
serial and MCU boards to corresponding
elevators.
Step-by-Step Installation Instructions
In this quick start guide, you will learn how to set up the MED-EKG and Tower System
and run the included demonstrated software. For more detailed infomation, review the
user manual at freescale.com/healthcare.
3
Connect the
MED-EKG AFE
Connect the MED-EKG AFE to the
medical connector with embedded
electrodes facing upwards.
4
Download and
Install Software
Download and install IAR Embedded
Workbench 6 for ARM. A 30-day
trial version can be downloaded from
iar.com.

5
TOWER SYSTEM
5
Install the
Drivers
Install P&E Micro drivers. The installer
is located in IAR installation folder\arm\
drivers\pemicro.
6
Connect a
USB Cable
Connect a USB cable from the computer
to the USB port on the TWR-K53N512
board. Wait for drivers to install.
7
Download the
Application Note
Go to freescale.com and conduct a
parametric search for AN4323. Download
AN4323SW.zip.
8
Open the
File
Open the file MED-EKG K53.eww using
IAR from \Software\MED-EKG K53\app\
cdc\iar_ew\kinetis.
9
Load the
Firmware
Click the Debug button to load the
firmware to the MCU.

Quick Start Guide
6
Step-by-Step Installation Instructions
Continued
10
Install the
Software
Install the Medical GUI software. It can
be downloaded from freescale.com.
Note: Make sure you have already installed Java®
JDK on your computer. Look for JDK folder in:
C:\ProgramFiles\Java11
Change the
Connection
Disconnect the USB cable from the
TWR-K53N512 and connect it to the
TWR-SER board.

13
Look for the
COM Number
In the device manager, look for the COM
number assigned to “Virtual Com Port.”
14
Open the
Medical GUI
Open the Medical GUI and select the
Virtual Com Port from previous step.
12
Install Drivers for
JM CDC Demo
If the driver is not installed automatically,
open Device Manager and install drivers
for JM CDC Demo. Drivers can be
found here:
• 32-bit version:
C:\Freescale\Medical GUI\Drivers\x32
• 64-bit version:
C:\Freescale\Medical GUI\Drivers\x64
Note: Open the Device Manager by opening
thestartmenu,rightclickingonComputerandselecting Manage. Device manager is on the
left options tree.
7
TOWER SYSTEM

Quick Start Guide
8
16
Connect the
EKG Wires
Connect EKG wires to J12 on MED-EKG
board.
• Pin 1: White lead
• Pin 2: Black lead
• Pin 3: Red lead
15
Attach
the Leads
Attach each EKG lead to an EKG patch
electrode.
Step-by-Step Installation Instructions
Continued

9
TOWER SYSTEM
17
Connect the
Electrodes
Connect the patch electrodes to your
body as follows:
• Black electrode: Left abdomen
• Red electrode: Right arm
• White electrode: Left arm To obtain the DII lead that physicians
most commonly use, please follow the
following electrode placement:
-
+
G
18
Start
Measurements
In the main window, click the ECG section
(green) to start/stop measurements.

Quick Start Guide
10
TWR-K53N512 Jumper Configurations
Jumper Position Function
J1 Open R71 to ADC1_DM1
J3 Open FlexBus Latch OEJ4 2-3 Medical Connector Pin 4 Function
J11 1-2 External Oscillator Selection
J15 Connected Core VDD
J17 Connected Oscillator Power Enable
J18 Connected USB0_VBUS Voltage In
J24 1-2 SYS_PWR Select
J28 Open Disable JM60 Bootloader
J34 Open Oscillator OE Control
MED-EKG Jumper Options
The following is a list of jumper options. The default installed jumper settings are
shown in white text within the green boxes.

11
TWR-SER Jumper Configurations
Jumper Position Function
J10 1-2 VBDEV Source
J16 3-4 USB Mode Select
J2 1-2 CLK_SEL Source
TOWER SYSTEM
MED-EKG Jumper Configurations
Jumper Position Function
J2 1-2 Opamp 2 VREF Selector
J3 1-2 Intsrumentation Amplifier Gain Selector 1
J4 1-2 Instrumentation Amplifier Gain Selector 2
J6 2-3 Right Electrode Output Selector
J7 2-3 Left Electrode Output SelectorJ11 2-3 Reference Electrode Voltage Selector

Freescale and the Freescale logo are trademarks of FreescaleSemiconductor,
Inc.,Reg.U.S.Pat.&Tm.Off.TowerisatrademarkofFreescaleSemiconductor,Inc.Allotherproductorservicenamesaretheproperty
oftheirrespectiveowners.©2013FreescaleSemiconductor,Inc.DocumentNumber:MEDEKGQSGREV0For more information, visit freescale.com/Tower
Join the online Tower community at towergeeks.org
Visit freescale.com/healthcareAFE for the latest
information, including:
• AN4323 application note
Support
Visit freescale.com/support for a list of phone
numbers within your region.
Warranty
Visit freescale.com/warranty for complete
warranty information.
Quick Start Guide