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BL620-US D
ONGLE
G
S
ETTING
TARTED
Quick Start Guide
I
NTRODUCTION
The goal of this document is to explain how to install the BL620-US dongle for use on your PC.
R
EQUIREMENTS
The following equipment and utilities are required:
BL620-US Dongle
Windows PC (Windows 7 or newer)
UwTerminal (Windows) – free download from www.lairdtech.com
The BL620-US dongle has a Segger J-Link chip on board; when you connect the dongle to your computer, it
searches for the relevant driver which can be obtained from http://www.segger.com/jlink-software.html. You need
the serial number printed on the underside of your dongle next to the text SEGGER # to be able to download the
driver from the Segger website.
I
NSTALLATION
1. Connect the dongle to your PC.
2. With the J-Link driver installed, wait until Windows finishes installing device driver software.
3. Check that the device is listed in the Device Manager. See
Note:
The JLink UART port number varies on different computers.
Figure 1: BL620-US as shown in Device Manager
Embedded Wireless Solutions Support Center:
http://ews-support.lairdtech.com
www.lairdtech.com/wireless
Figure
1.
1
v1.2
Americas: +1-800-492-2320
Europe: +44-1628-858-940
Hong Kong: +852 2923 0610
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Summary of Contents for Laird BL620-US
- Page 1 ETTING TARTED Quick Start Guide v1.2 NTRODUCTION The goal of this document is to explain how to install the BL620-US dongle for use on your PC. EQUIREMENTS The following equipment and utilities are required: BL620-US Dongle Windows PC (Windows 7 or newer) ...
- Page 2 Note: The default baud rate on the BL620 is 9600 bps. Note: When using the BL620-US dongle, in UwTerminal the CTS pin is always de-asserted. The underlying firmware in the Segger interface chip locally handles the CTS/RTS hardware handshaking. IRMWARE PGRADE The BL620-US is already preloaded with firmware.
- Page 3 Figure 4: J-Link firmware update dialog 6. Click Yes to update the J-Link firmware. The BL620-US firmware upgrade process resumes automatically and displays a command prompt box. 7. When the upgrade is finished, the console window displays the following: 8. Press any key to proceed.
- Page 4 VAILABLE ONLY If you are familiar with using Laird’s BL600 module then you may be familiar with sending a uart_break to force the module to reset. Unfortunately, the Segger interface chip which is providing the virtual serial port emulation is not capable of asserting a BREAK to the module.