ON Semiconductor DVK-AXM0F243-915-1-GEVK User manual

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©Semiconductor Components Industries, LLC, 2018
November, 2018 −Rev. 1
1Publication Order Number:
EVBUM2595/D
EVBUM2595/D
DVK-AXM0F243-xxx-x-GEVK
Evaluation Kit
User's Manual
Introduction
The DVK−AXM0F243−868−x−GEVK and
DVK−AXM0F243−915−x−GEVK kits are designed as quick start
solution for the development of applications with the AXM0F243 RF
System On Chip (SoC). This SoC combines an ARM Cortex M0+
ultra−low power microcontroller with the AX5043 ultra−low power
RF transceiver in a single IC package. The
DVK−AXM0F243−868−x−GEVK is optimized for 868 MHz
frequency, and the DVK−AXM0F243−915−x−GEVK development
kit is enhanced for 915 MHz. The
DVK−AXM0F243−xxx−x−GEVK’s are compatible with
AX−RadioLab and AxCode::Blocks development software for the PC.
Figure 1. DVK−AXM0F243−868−x−GEVK Kit
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www.onsemi.com
EVAL BOARD USER’S MANUAL

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The development kits DVK−AXM0F243−868−x−GEVK
and DVK−AXM0F243−915−x−GEVK come with:
Designator DVK−AXM0F243−868−x−GEVK DVK−AXM0F243−915−x−GEVK Quantity
1AXDBG Debug adapter 1 piece
2DVK−AXM0F243−868−x−SMA−GEVB
(SMA connector)
DVK−AXM0F243−915−x−SMA−GEVB
(SMA connector)
1 piece
3DVK−AXM0F243−868−x−ANT−GEVB (chip
antenna, LR44 button cell battery holder)
DVK−AXM0F243−915−x−ANT−GEVB
(chip antenna, LR44 button cell battery
holder)
1 piece
4Mini USB cable 1 piece
5LR4 cell batteries 2 pieces
6Flat Debug cable 1 piece
7Antenna 868 MHz 1/2 wave SMA Antenna 915 MHz 1/2 wave SMA 1 piece
DVK−AXM0F243−XXX−x−SMA−GEVB Overview
The DVK−AXM0F243−868−x−SMA−GEVB mainboard is
the first of two boards in the DVK−AXM0F243−868−x−GEVK
kit. It features the AXM0F243 ultra−low power SoC, as well as
a LED, a button, and a 50 WSMA port. In addition to the
antennas shipped with the kit, various 50 Wantennas with
male SMA connector can be used. The SMA port can also be
used to connect the DVK to RF measurement equipment for
conducted−mode testing.
Similarly the DVK−AXM0F243−915−x−SMA−GEVB
mainboard is the first of two boards in the
DVK−AXM0F243−915−x−GEVK kit.
Figure 2. DVK−AXM0F243−xxx−x−SMA−GEVB
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3
2
1
4
6
5
Designator DVK−AXM0F243−868−x−SMA−GEVB DVK−AXM0F243−915−x−SMA−GEVB
1AXM0F243 ultra−low power RF SoC
248 MHz TCXO
3AX debug link connector
4Programmable LED
5Programmable button
6Matching circuit optimized for 868 MHz Matching circuit optimized for 915 MHz
750 WSMA connector

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DVK−AXM0F243−XXX−x−ANT−GEVB Overview
The DVK−AXM0F243−868−x−ANT−GEVB mainboard is
the second of two boards in the
DVK−AXM0F243−868−x−GEVK kit.
It features the AXM0F243 ultra−low power SoC, as well
as a LED, a button, battery, and chip antenna.
Similarly the DVK−AXM0F243−915−x−ANT−GEVB
mainboard is the first of two boards in the
DVK−AXM0F243−915−x−GEVK kit.
Figure 3. DVK−AXM0F243−xxx−x−ANT−GEVB
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5
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2
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8
3
9
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Designator DVK−AXM0F243−868−x−ANT−GEVB DVK−AXM0F243−915−x−ANT−GEVB
1AXM0F243 ultra−low power RF SoC
248 MHz TCXO
3AX debug link connector
4Programmable LED
5Programmable button
6Matching circuit optimized for 868 MHz Matching circuit optimized for 915 MHz
7868 MHz Chip antenna 915 MHz Chip antenna
8Power supply switch (select between debug link and battery powered operation)
9LR44 Button cell battery holder

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AXDBG Debug Adapter Overview
The AXDBG debug adapter is the interface between the
PC and the mainboards. It can be used for programming and
debugging the AXM0F243 microcontroller. It interfaces
with the PC via windows drivers and the AXSDB software
interface, which is then used by AX−RadioLab and
AxCode::Blocks development software for the PC. The
AXSDB can also be used in mass production with the
scriptable AXSDB software.
Figure 4. AXDBG Debug Adapter
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3
4
1
Designator AXDBG Debug Adapter
1Mini USB PC interface
2LED red indicating the debug link is active, MCU in debug mode
3LED green indicating a program is executed on the MCU
4Debug link connector

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Out of the Box RF Functionality
RF functionality are already programmed on both
mainboards. It’s possible to make the first RF experience
sending data packages from
DVK−AXM0F243−XXX−x−SMA−GEVB, programmed
as transmitter, to the
DVK−AXM0F243−XXX−x−ANT−GEVB, programmed
as receiver, just following these simply steps.
Preparing DVK−AXM0F243−XXX−x−SMA−GEVB:
•Screw the antenna to the
DVK−AXM0F243−XXX−x−SMA−GEVB board
•Connect the DVK−AXM0F243−XXX−x−SMA−GEVB
board to the AXDBG Debug adapter board with the
Flat Debug cable
•Connect the AXDBG Debug adapter board to the PC
with Mini USB cable
•DVK−AXM0F243−XXX−x−SMA−GEVB LED is
blinking when transmitting data packages
Preparing DVK−AXM0F243−XXX−x−ANT−GEVB:
•Insert the LR4 cell batteries in
DVK−AXM0F243−XXX−x−ANT−GEVB battery holder.
•Set the DVK−AXM0F243−XXX−x−ANT−GEVB
Power supply switch in position 1 for battery powered
operation. Position 2 is for debug link connector
powered operation.
Figure 5. Power Supply Switch. Position 1 −
Battery Powered Operation, Position 2 −Debug
Link Connector Powered Operation
•DVK−AXM0F243−XXX−x−ANT−GEVB LED is
blinking when receiving data packages from
DVK−AXM0F243−XXX−x−SMA−GEVB
See Figure 6: DVK−AXM0F243−xxx−x−SMA−GEVB
connection for more details.
Figure 6. DVK−AXM0F243−xxx−x−SMA−GEVB Connection

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Required Software
To build applications and configure the AXM0F243 is
necessary to install the AX−IDE Development tool for
Windows. It contains all tools for developing and debugging
C source code applications and can be found on the
AXM0F243 Product page under Software:
http://www.onsemi.com/PowerSolutions/product.do?id
=AXM0F243−1−TX40
The development system architecture is visible in
Figure 7: Development System Architecture.
Radio Link parameters are set using the AX−RadioLAB
GUI. AX−RadioLAB produces source code, compiles it and
downloads it into the target board.
AxCode::Blocks is the graphical Integrated Development
Environment (IDE) for AXM0F243 projects. It is a
customized version of the popular Code::Blocks IDE.
It can be used to further customize the AX−RadioLAB
generated code, or it can be used to create new projects (such
as those that do not involve a radio link).
Both AX−RadioLAB and AxCode::Blocks talk to the
Symbolic (command line) Debugger AXSDB for
programming and debugging the microcontroller.
Normally, users need not directly interact with AXSDB.
AXSDB can however be useful for automated or scripted
tasks, thanks to its command line and TCL scripting
features.
For AXM0F243 microcontroller, OpenOCD debug
interface software is used for programming and debugging
using the GDB (GNU) debugger.
The AXDBG debug adapter provides the link between the
developer’s workstation and the target board.

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Figure 7. Development System Architecture

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Installing AX−IDE
The AX−IDE installer contains everything you need: the
SDCC compiler, GNU GCC Compiler for ARM,
AxCode::Blocks, AX−RadioLab, debug adapter drivers, the
AXSDB debugger software, OpenOCD software, example
files and libraries.
•Launch the installer
Figure 8. AX−IDE Installer Wizard
•After accepting the terms of agreement you are asked to
select the components to be installed. It’s strongly
suggested to install all components.
Figure 9. License Agreement
•Continue installing all software packages
Getting Started
Before building the first application is necessary to set the
AxCode::Blocks compiler.
This operation has to be executed only once.
•Start AxCode::Blocks.
•The first time AxCode::Block starts, it scans for
installed compilers and presents a list of the compilers
found. Select GNU GCC Compiler for ARM as default,
see Figure 9: GNU GCC compiler for ARM.
Figure 10. GNU GCC Compiler for ARM

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Connection
•Connect one of the
DVK−AXM0F243−XXX−x−ANT−GEVB or
DVK−AXM0F243−XXX−x−SMA−GEVB mainboards to
the AXDBG Debug adapter board with the Flat Debug
cable
•Connect the AXDBG Debug adapter board to the PC
with Mini USB cable
More connection details are visible in Figure 11:
DVK−AXM0F243−XXX−x−SMA−GEVB connection to
AXDBG Debug Adapter or Figure 12:
DVK−AXM0F243−XXX−x−ANT−GEVB connection to
AXDBG Debug Adapter.
Figure 11. DVK−AXM0F243−xxx−x−SMA−GEVB Connection to AXDBG Debug Adapter
Figure 12. DVK−AXM0F243−xxx−x−ANT−GEVB Connection to AXDBG Debug Adapter

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Working with AX−RadioLab
AX−RadioLab is the most advanced development tool for
Software Defined Radio (SDR) applications.
It offers a variety of transmitter and receiver options such
as
•periodic transmission of packets timed with the RC
oscillator of the radio block
•periodic transmission of packets timed with the 32 kHz
XTAL oscillator of the MCU
•Transmit on push−button
•Wake−on−radio reception with programmable wake−up
interval
•Synchronous transmit and receive with programmable
wake−up interval
•Optional acknowledge package send for all modes
Additionally, AX−RadioLab allows the user to configure
the packet format, as well as Physical (PHY) parameters.
Since AX−RadioLab is a source code generator, the
developer can use the generated C code example project as
a robust foundation upon which to build the end application.
Additional documentation for AX−RadioLab can be
found directly under Start −> All Programs −>
AX−RadioLab −> AX−RadioLAB_AX5043_user_manual
Figure 13. AX−RadioLab Manual
Figure 14. AX−RadioLab

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Working With AxCode::Blocks
AxCode::Blocks is the graphical IDE for code
development on AX micro−controllers. It enables the
developer to access all the debugging features of the AX
microcontrollers, in particular:
•Setting break points
•Access to AXM0F243 MCU registers as well as to all
AX radio chip registers
•Debug link UART in a window for debugging printf
style without the need of extra hardware
•GNU GCC Compiler for ARM installed and ready to
go
Additional documentation for AxCode::Blocks can be
found under
•Start −> All Programs −> AxCodeBlocks −>
AxCodeBlocksQuickStart
•Start −> All Programs −> AxCodeBlocks −>
CodeBlocksDoc
Figure 15. AxCode::Blocks Manuals
Figure 16. AxCode::Blocks

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UART Communication
Debug link data are transmitted and received on the PC via
UART communication. Any serial terminal software is
suitable utilizing the following settings:
•baud rate 9600 bit/s
•data bits 8
•stop bit 1
•parity none
The actual active COM port number is visible in the
Control Panel −> Device Manager console under Ports
(COM & LPT).
Figure 17. Device Manager
Typical received data are for example packages data,
RSSI, frequency offset values
Figure 18. Terminal Software Received Data

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Glossary
AxCode::Blocks: an Integrated Development
Environment (IDE) for AXM0F243 SoC.
AX−RadioLab: advanced development tool for Software
Defined Radio (SDR) applications. Is a source code and
settings generator.
Debug link: the interface between AXDBG debug
adapter and AXM0F243 SoC microcontroller.
AXSDB: Symbolic command line Debugger.

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