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2.2 Installation
1. Put the CDROM in your computer and browse the contents of the CD, open the
"sx1231starterkitsetupweb.exe" manually. It can be found in the \Installers sub directory of the
CD-ROM
2. If the evaluation kit is supplied with an insert sheet, follow the instruction on the insert sheet and
download the latest version of the software from the weblink provided
3. Follow the on-screen installation guidelines until the process is completed. Please note that .NET
Framework 3.5 and the FTDI USB driver will be automatically installed if not detected on your
computer
4. Connect one SX1231SKB board to the PC via the USB interface. The SM1231 module and USB
bridge are powered via the USB
5. Launch "SX1231SKB" from the Start menu
6. Click on "Connect" button in toolbar or in File menu
7. SX1231SKB is now installed and ready to be used
2.3 SX1231SKB Overview
The SX1231SKB features the SM1231 reference design and is also interfaced via the FTDI USB Bridge
to the USB type 'A' interface of a host PC.
Transmission and reception is indicated by a pair of LEDs on the USB Bridge.
3 SX1231 Quick Start Guide
It is recommended that this user guide is read in conjunction with the SX1231 datasheet.
1. Plug the SX1231SKB into the USB port of the computer. The USB power LED on the bridge
should be illuminated
2. Run the SX1231 User Interface software: Start > All Programs > SX1231SKB > SX1231SKB
3. The SX1231SKB should connect automatically to the User Interface Software. If not, click on the
USB connect button, located in the top left hand corner of the window toolbar, as illustrated in
Figure 4, below
4. Once connected the SX1231SKB shows the default configuration of the SX1231 register settings
upon power-up, as illustrated in Figure 3. If the EVK is not connected, the GUI screen is grayed
out and an error message is displayed in the bottom left hand corner of the status bar.
4 SX1231SKB Software Description
4.1 Overview
Figure 3 illustrates the SX1231SKB graphical user interface (GUI). Each of the numbered captions
corresponds to a proceeding chapter within the sections which corresponds to the description of that GUI
feature.
Revision 2.0 – July 2010
© Semtech 2010
Page 6 of 24
SX1231-31SKB
USER GUIDE
www.semtech.com
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