Würth Elektronik TARVOS-III PLUG REFERENCE MANUAL
TARVOS-III PLUG REFERENCE MANUAL
AMB8865 / 2609026281001
VERSION 1.3
DECEMBER 21, 2020
Revision history
Manual
versionHWversion
1.0 2.0
1.1 2.0
1.2 2.0
1.3 2.0
Notes
• Initial version of the manual
• Added table for CBUS pins.
• Correction of block diagramm, wake up has not
been connected.
• Updated address of Division Wireless
Connectivity & Sensors location
• Updated Declaration of EU conformity in
chapter
Regulatory compliance information
Date
July 2019
August 2019
October 2019
December 2020
.
Tarvos-III Plug reference manual version 1.3 © December 2020
www.we-online.com/wireless-connectivity 1
Abbreviations and abstract
Abbreviation Name Description
FSE
HIGH High signal level
LOW Low signal level
RF Radio frequency
UART
VDD Supply voltage
Field Sales
Engineer
Support and sales contact person responsible for
limited sales area
Describes everything relating to the wireless
transmission.
Universal Asynchronous Receiver Transmitter allows
communicating with the module of a specific
interface.
Tarvos-III Plug reference manual version 1.3 © December 2020
www.we-online.com/wireless-connectivity 2
Contents
1 Introduction 4
1.1 Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2 Functional description 5
2.1 Taking into operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.1.1 Usage of CBUS pins . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3 Regulatory compliance information 7
3.1 Important notice EU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3.2 EU Declaration of conformity . . . . . . . . . . . . . . . . . . . . . . . . . . 8
4 Important notes 9
4.1 General customer responsibility . . . . . . . . . . . . . . . . . . . . . . . . . 9
4.2 Customer responsibility related to specific, in particular safety-relevant ap-
plications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
4.3 Best care and attention . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
4.4 Customer support for product specifications . . . . . . . . . . . . . . . . . . 9
4.5 Product improvements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
4.6 Product life cycle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
4.7 Property rights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
4.8 General terms and conditions . . . . . . . . . . . . . . . . . . . . . . . . . . 10
5 Legal notice 11
5.1 Exclusion of liability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
5.2 Suitability in customer applications . . . . . . . . . . . . . . . . . . . . . . . 11
5.3 Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
5.4 Usage restriction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
6 License terms 13
6.1 Limited license . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
6.2 Usage and obligations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
6.3 Ownership . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
6.4 Firmware update(s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
6.5 Disclaimer of warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
6.6 Limitation of liability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
6.7 Applicable law and jurisdiction . . . . . . . . . . . . . . . . . . . . . . . . . . 15
6.8 Severability clause . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
6.9 Miscellaneous . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Tarvos-III Plug reference manual version 1.3 © December 2020
www.we-online.com/wireless-connectivity 3
1 Introduction
The Tarvos-III is a radio sub module that provides wireless connectivity capabilities in the
868 MHz frequency band. The Tarvos-III Plug incorporates the Tarvos-III in a USB stick
form factor enabling easy interfacing with any USB enabled device like personal computer
or laptop. The Tarvos-III Plug allows quick set-up of a radio link between PC and any system
with integrated Tarvos-III radio module.
1.1 Ordering information
WE order code Former order code Description
2609026281001 AMB8865 Radio dongle 868 MHz with SMA connector
Table 1: Ordering information
Tarvos-III Plug reference manual version 1.3 © December 2020
www.we-online.com/wireless-connectivity 4
2 Functional description
The Tarvos-III Plug consists of Tarvos-III radio module along with an serial-to-USB adapter
that enables direct connection to any USB compatible device. An FTDI serial-to-USB converter chip FT232R connects the USB interface of the Tarvos-III Plug to the UART pins of
the integrated radio module. Besides UART, additional digital GPIO pins (CBUS) are connected to the radio module to provide special functions like reset. Figure1illustrates all the
functional components of Tarvos-III Plug.
Figure 1: Block diagram of the Tarvos-III Plug
The complete functionality is described in the user manual of the module.
2.1 Taking into operation
To use the Tarvos-III Plug, the VCP driver of FTDI has to be installed by following the installation guides of FTDI:
https://www.ftdichip.com/Drivers/VCP.htm
Tarvos-III Plug reference manual version 1.3 © December 2020
www.we-online.com/wireless-connectivity 5
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