Freescale Semiconductor MED-SPI User manual

Quick Start Guide
MED-SPI
Spirometry
Plug-in Board
TOWER SYSTEM

MED-SPI
Freescale Tower System
The MED-SPI 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-SPI Board
Power
on LED
Medical
Connector
MPXV7025DP Differential
Pressure Sensor
2

MED-SPI is a development board which demonstrates
the basic implementation of a spirometry application.
It includes the MPXV7025DP differential pressure
sensor, which allows calibrated pressure and air flow
measurements ideal for medical respiratory monitoring
devices.
Features
•TowerSystemcompatible•IntegratedFreescaleMPXV7025DP•Reducedcomponents•EasytoimplementMED-SPI 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-SPI 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-SPI AFE
Connect the MED-SPI AFE to the medical
connector on TWR-K53N512. Board
must be placed as shown below.
Note: MED-SPI board must be plugged to the
medical connector before the Tower System gets
powered
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 AN4325. Download
AN4325SW.zip.
8
Open the
File
Open the file MED-SPI K53.eww using
IAR from \Software\MED-SPI_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\Java
11
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
Breathe
into the Tube
In the main window, click the SPI section
(pink) and follow the next steps:
1. Place the tube in your mouth
2. Inhale as much air as you can.
3. Without taking the tube out of your
mouth exhale as hard and fast as
possible.
4. Click again on the SPI section.
15
Attach
the Hose
Attach the hose to both the mouthpiece
and the pressure sensor as shown in the
image below.
Step-by-Step Installation Instructions
Continued

9
TOWER SYSTEM
TWR-K53N512 Jumper Configurations
Jumper Position Function
J1 Open R71 to ADC1_DM1
J3 Open FlexBus Latch OE
J4 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-SPI Jumper Options
The following is a list of jumper options. The default installed jumper settings are
shown in white text within the green boxes.

Quick Start Guide
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TWR-SER Jumper Configurations
Jumper Position Function
J10 1-2 VBDEV Source
J16 3-4 USB Mode Select
J2 1-2 CLK_SEL Source