Texas Instruments CC11 L Series User manual

SWRU29
2
A
January 2012
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CC11
xL
868/915 MHz
Development Kit
Quick Start
Guide
Opening the B
ox an
d R
unning the Packet Error Rate Test
1. Kit Contents
2
x
SmartRF
™
Transciever EB
(TrxEB)
2 x CC110L
EM 868/915 MHz
1
x
CC113LEM 868/915 MHz
1 x CC115LEM 868/915 MHz
1 x MSP43
0 Debug Probe
(FET)
2 x
Micro
U
SB C
ables
1 x Standard USB Cable
1 x 14
-
pin
F
lat
C
able
4 x 1.5
V
olt
AA B
atteries
Documentation
2.
Trx
EB O
verview
Caution!
The kit contains ESD sensitive
components. Handle with care to
prevent per
manent damage. To
minimize risk of injury, avoid touching
components during operation if
symbolized as hot.
3. Plug
the
EM into
the
Trx
EB
Insert a CC11
0L
EM into
the
TrxEB
. The
connectors will only fit in one position so that the
EM cannot be inserted t
he wrong way. Do not
use excessive
force
on
the EM.
The EM has a PCB antenna, so there is no need
for an external antenna.
You can also use CC113L and CC115L for the
Per test, but note that CC113L is a receiver only
and CC115L is a transmitter only.
4. Select Board Mode
Use the switches S1 and S2 to select the
operating mode of the board. For the sake of this
quick start guide, please select “
Enable
” and
“
UART”. This configuration will make it possible
to communicate directly with the MSP430 over a
v
irtual COM port on the PC.
5
. Power
Options
There are several ways of applying power to
the
TrxEB.

2 x 1.5
V AA batteries

USB

External
P
ower
S
upply

MSP430 Debugger
For the batteries and USB, there are voltage
regulators on the TrxEB that will set
the on
-
board
voltage to 3.3
V. The external power supply
should set a voltage
that does not exceed 3.3 V.
B
y default, the MSP430 debugger supplies 3.0
V.
Note that there should only be one active
power source at any one time.
Warning!
To minimize risk of
personal injury or
property damage, never use rechargeable
batteries to power the board.
Do not leave the
EVM powered when unattended.
6
.
Select Power Source
Depending on the power source, make sure
you connect jumpers to the appropriate pins
on the “P
ower Source” header. For instance,
if you use batteries, use a jumper to short
-
circuit pin 1 and 2 on the header.
The last
jumper in the row (pin 9
-
10) should always
be mounted, unless the MSP430 FET is
used as the power source.
7
.
Welcome Screen
Tur
n
on
power
with the Main Power
switch. You
should
now
see the Texas Instruments logo
and
a short description of the buttons on the LCD.
Pushing any of the five buttons on the board will
take you to the main menu.
NB! If you don’t see anything on the scree
n
–
don’t panic.
First, make sure the mode switches
are in the correct positions (see step 4 above).
Secondly, the first build of TrxEB unfortunately
uses a connector that doesn’t fit exactly to the
pins of the LCD. It should be sufficient to tilt the
LCD
slightly to get a snug fit with the connector.
8
. Packet
E
rror
Rate T
est
Select the PER (Packet Error Rate) test by
highlighting the selection
using the up/down
buttons. Confirm your selection by pressing
Enter (right button).
9
. S
elect
T
est
Mode
T
he PER test can be run is several modes. Easy
Mode sets up a one
-
way test and uses default
settings. This test is convenient for practical
range testing.
The other test modes are described in the
“
Software Examples
for CC112x, CC11xL and
CC1101 U
ser’s Gu
ide
”.
To proceed, highlight “Easy Mode” and press
Enter (right button).
EM
C
onnectors
MSP430
B
reakout
USB
EM
B
reakout
Main
Power
Switch
Power
Selection
Board Mode
Switches
LCD
Button
s
L
E
D
s
MSP430
Debug
Interface

10
. Select
Frequency
Select which frequency to use for the test. Make
sure that the evaluation modules you have
match the selected frequency.
1
1
. Select
Mode
One of the board
s must operate as the slave
(transmitter) and the other as master (receiver).
Select
Slave
on one board…
…and
Master
on the other board.
1
2
.
Establish Link
The slave node will now wait for a configuration
package from the Master. The configuration
co
ntains the parameters used for the PER test.
The configuration package will be sent when you
select “link devices” on the master node.
1
3
.
Link E
stablished
When the initial linking has completed, the slave
node will start the test by co
ntinuously
tr
ansmitting packets to the master.
1
4
.
Start the R
eceiver (master)
On the master node, you can select the number
of packets you want to receive in order to
calculate the packet error.
When selecting “Start PER Test”, the master
(receiver) will beg
in to count the number of
received packets and provide some statistics.
1
5
. PER Test
Results
The master will display a window that plots the
received signal strength (RSSI) for each packet.
Press the “Up” button to go to the detailed
statistical win
dow.
1
6
. PER Test R
esults
The statistics window will show the error rate
based on
the number of lost or erroneous
packets divided by the total number of packets
that should have been received.
1
7
. Troubleshooting
It you are experiencing problems with
this test,
please check the following:

Nothing is shown in the display!
Unfortunately, the first series of TrxEB uses
a connector that doesn’t fit exactly to the pins
of the LCD. It should be sufficient to tilt the
LCD slightly to get a snug fit with the
connector.

Please visit the kit web page and check for
updated SW and documentation. Updated
SW can be downloaded to the device using
IAR EW430 or SmartRF Flash Programmer.

If you get poor PER results at short
distances, try to move the transmitter and
re
ceiver further apart. The CC11
xL
receiver
may experience saturation if it
is too close to
the other CC11
xL
transmitting at full output
power.
1
8
. References
Please visit
www.ti.com
and
http://www.ti.com/tool/cc11xldk
-
868
-
915
On the kit product page, you will find additional
documentation, links to updated software
examples and software tools like SmartRF
Studio.
You will also find a lot of information on the TI
E
2E forum at
http://e2e.ti.com
We hope that you will enjoy working with the
CC110
L, CC113L and CC115L
device
s
.
SmartRF
™
Studio
1. Download and Install
Before connecting SmartRF
Trx
EB to your PC,
download
and install
SmartRF Studio from
www.ti.com/smartrfstudio
.
2. Launch SmartRF Studio
After installing the tool, connect the EB to the PC
using the USB cable and start SmartRF S
tudio.
Select the “Sub 1 GHz
” tab and double click the
highlighted device icon (CC110L, CC113L or
CC115L).
3.
Test
the Radio
You can
now configure the radio
, export
register settings and
run performance tests of
the radio
.

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