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Summary of Contents for Ezurio BL654
- Page 1 User Guide BL654 USB Dongle Ezurio Part # 451-00003 Version 2.0...
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Page 2: Revision History
451-00003 – BL654 USB Dongle User Guide Revision History Version Date Notes Contributor(s) Approver 04 July 2018 Initial version Jamie McCrae Jonathan Kaye 03 Oct 2018 Added note re: no support for Nordic SDK. Rikki Horrigan Jonathan Kaye 15 Apr 2025... -
Page 3: Table Of Contents
Autorun Functionality ........................................6 VSP Mode ............................................9 Software ................................................ 10 Additional Peripherals ........................................10 5.1.1 Virtual Button and LED Connected to BL654 ................................10 Additional Documentation ........................................... 11 Additional Information ..........................................12 https://www.ezurio.com/ © Copyright 2025 Ezurio All Rights Reserved... -
Page 4: Overview
1 Overview The Ezurio BL654 USB dongle (Ezurio part # 451-00003) is a packaged USB Adapter version of the integrated antenna BL654 module. It uses an FTDI virtual COM port implementation to enable full Bluetooth 5 operation into the widest range of Operating System backed devices with a USB interface. -
Page 5: Understanding The Dongle
4.1 Four-Wire UART Serial Interface The USB dongle provides access to the BL654 module four-wire UART interface (TX, RX, CTS, RTS) through USB (via an FTDI USB-UART convertor chip). The UART connection on the BL654 series module and the FTDI IC are shown in... -
Page 6: Autorun Functionality
4.3 Autorun Functionality By default, the BL654 USB dongle is in autorun mode. This means that, if an $autorun$ application is present on the device, it runs when the dongle is powered (regardless of what device the dongle is plugged into; computers, USB power plugs, and battery packs all boot the dongle in autorun mode). - Page 7 A warning message displays. Read the warning and confirm you have selected the correct serial port. Due to using FTDI input pins as output pins, if this function is used on non-BL654 USB dongle hardware, it may cause damage to the hardware and Ezurio accepts no responsibility for this.
- Page 8 You can now use the UART firmware upgrader application to upgrade to a newer firmware version. Refer to the documentation available on Ezurio BL654 product page for instructions on using the BL654 firmware upgrade utility. https://www.ezurio.com/ © Copyright 2025 Ezurio...
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Page 9: Vsp Mode
The VSP pin is wired to the FTDI chip which allows you to enable VSP bridge mode or VSP command mode. This functionality is not exposed in any Ezurio utilities at the current time. The process for entering VSP mode is as described in... -
Page 10: Software
User Guide 5 Software The USB dongle connects the BL654 module to a virtual COM port of a PC or other device. From a PC, you can communicate with the module using Ezurio’s UwTerminalX (cross platform software available for Windows, Mac, and Linux). This utility allows connections to serial devices using any... -
Page 11: Additional Documentation
User Guide 6 Additional Documentation Ezurio offers a variety of documentation and ancillary information to support our customers through the initial evaluation process and ultimately into mass production. Additional documentation can be accessed from the Documentation tab of the Ezurio BL654 Product Page. -
Page 12: Additional Information
Ezurio makes no warranties as to non-infringement nor as to the fitness, merchantability, or sustainability of any Ezurio materials or products for any specific or general uses. Ezurio or any of its affiliates or agents shall not be liable for incidental or consequential damages of any kind. All Ezurio products are sold pursuant to the Ezurio Terms and Conditions of Sale in effect from time to time, a copy of which will be furnished upon request.
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