NXP Semiconductors QN9020 mini DK User manual

UM11118
NFC-Bluetooth Low Energy Quickstart Guide
Rev. 1.2 — 9 September 2019 User manual
475312 COMPANY PUBLIC
Document information
Information Content
Keywords NFC, Bluetooth Low Energy, QN9020, CLRC663
Abstract This document describes QN9020 Mini Development board in combination
with the NFC CLRC663 plus Add-on board. Bluetooth Low Energy solution.

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NFC-Bluetooth Low Energy Quickstart Guide
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Revision history
Rev Date Description
1.2 20190909 •Change of the installation process
•New binary versions for the QN902x/EY revision
1.1 20181212 •Section "Smartphone Applications" updated
•Editorial updates
1.0 20180410 Initial version

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NFC-Bluetooth Low Energy Quickstart Guide
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1 Introduction
The purpose of this document is to describe how to use NFC-Bluetooth® Low Energy
development kit. It provides an easy way to evaluate NFC features in the combination
with Bluetooth Low Energy.
The NFC-Bluetooth Low Energy package consists of two HW Boards boards, QN9020
Mini Development board and NFC RC663 Plus Add-on board. Both boards and software
applications, used for demonstration, are described in next chapters.

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NFC-Bluetooth Low Energy Quickstart Guide
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2 Hardware Description
2.1 Introduction
This chapter describes hardware parts of the NFC-Bluetooth Low Energy development
kit.
2.1.1 Kit Contents
The NFC-Bluetooth Low Energy development kit includes the following:
•QN9020 Mini Development kit
•CLRC663 plus Add-on board
2.2 QN9020 Mini Development kit
The QN9020DK board is designed to make it as easy as possible to get started with your
project based on NXP® QN9020 Bluetooth Low Energy SOC.
The QN9020 Mini development board provides easy access to peripherals such as
buttons, piezo buzzer and LED. The board also provides useful interfaces such as a
USB port for UART communication and J-Link debug, and a GPIO/optional sensor board
connector.
This document describes how to use it in combination with NFC. The figure below shows
the board and main components.
Figure 1. QN9020 Mini Development kit
2.2.1 Additional Resources
Detailed description of the board can be found on:
•QN9020DK product webpage: https://www.nxp.com/products/:QN9020DK
•UM10895 - QN9020 mini DK user guide: https://www.nxp.com/docs/en/user-guide/
UM10895.pdf

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2.3 CLRC663 plus Add-on board
CLRC663 plus Add-on board provides full NFC functionality and it is designed to be used
with QN9020 development board.
NFC frontend is represented with the CLRC663 multi-protocol NFC frontend IC.
Figure below shows the board and main components.
Figure 2. CLRC663 plus Add-on board
2.3.1 Interface selection
RC663 Plus Add-on board provides SPI and I2C host interface connections. The table
below shows a right configuration for each interface.
Host Interface Selection
Resistors SPI I2C
R1 open 0 Ohm (closed)
R2 open 0 Ohm (closed)
R3 open 0 Ohm (closed)
R4 open 0 Ohm (closed)
R5 0 Ohm (closed) open
R6 0 Ohm (closed) open
R7 0 Ohm (closed) open
R8 0 Ohm (closed) open
R9 0 Ohm (closed) open
R10 open 0 Ohm (closed)

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Resistors SPI I2C
R11 0 Ohm (closed) open
R12 open 0 Ohm (closed)
2.3.2 Schematics
The complete schematics of the CLRC663 plus Add-on board are shown in following
figures:
Figure 3. CLRC663 plus Add-on board schematics
Figure 4. QN9020 Board Connector

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Figure 5. CLRC663 plus Add-on board - PSS View
Figure 6. CLRC663 plus Add-on board - Top View

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Figure 7. CLRC663 plus Add-on board - Top View
2.3.3 Additional Resources
Detailed description of the CLRC663 plus can be found on:
•CLRC663 plus product webpage: https://www.nxp.com/products/:CLRC66303HN
2.4 NFC-Bluetooth Low Energy Development kit
NFC-Bluetooth Low Energy Development kit consists of QN9020 Mini development
board and CLRC663 plus Add-on board.
Figure below shows how to assemble it in right way.

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Figure 8. NFC-Bluetooth Low Energy Development board
Note:
USB mini cable is used to power up the board and to flash new FW.

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3 Software Description
3.1 Introduction
This chapter describes software setup and how to run the NFC-Bluetooth Low Energy
demo application.
The purpose of the demo application is to manage data on the NFC tag through the
application running on a mobile device. The user select read or write command on the
device, which is sent to the NFC-Bluetooth Low Energy device via Bluetooth Low Energy.
When NFC-Bluetooth Low Energy device receives the command, it executes it and
sends the results back to the phone.
The demo also supports Over‐The‐Air (OTA) programming.
Software stack used in this demo is prepared for the NFC-Bluetooth Low Energy
development kit and smartphone. Demo application is split in two, the first application is
required for the NFC-Bluetooth Low Energy development kit and the second application
for the smartphone. The current version of the demo is supporting only iPhone.
Software stacks are custom developed for this solution to fit special requirements.
3.2 Block Diagram
Figure 9. NFC-Bluetooth Low Energy Block Diagram
3.3 QN9020 Software Project
This section describes how to manage software stack on the QN9020 board.

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The application running on the QN9020 is responsible for:
•managing data through the NFC interface
•advertising and establishing Bluetooth Low Energy connection with the smartphone
•executing commands received from the smartphone via Bluetooth Low Energy
•responding results back to the smartphone
•supporting OTA programming
3.3.1 Flash FW to enable OTA
First step to set up the board is to flash FW which enables Over‐The‐Air programming
(OTA). OTA is used to upgrade the firmware of QN9020 over the air. More details about
the OTA can be found in the "UM10994 - OTA Programming Guide".
In order to flash OTA supporting program, it is necessary to install QBlue studio first,
which supports binary download to QN9020 over the USB. QBlue studio can be
downloaded from QN9020 Mini Development Kit (Mini DK)
Follow steps described below to flash FW.
•Open "QBlue ISP Studio"
•Connect QN9020 Mini DK board and PC with USB Mini cable, as shown in Figure
•Select device and clock
•Select proper interface
•Browse to the "prj_nfc_multimarket.bin" binary
• Check OTA option (important to be selected)
•Click "Start" button to flash FW

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Figure 10. Flash OTA enabled FW
Note:
"prj_nfc_multimarket.bin" binary is provided with the NFC-Bluetooth Low Energy support
package.
After that, Bluetooth Low Energy-NFC device is ready to be used. Next step is to open
application on the smartphone and flash the appropriate FW using OTA functionality.
Chapters below describes how to flash prepared FW binaries and how to generate FW
binaries from the provided source code.
3.3.2 Prepared FW Binaries
NFC-Bluetooth Low Energy development kit is delivered with a prepared SW binary for
QN9020. It can be flashed with "QBlue ISP Studio" tool as described in the previous
chapter. Binaries are available in "FW_OTA_Bin_20170816.zip" file.
Application descriptions:
•ISO14443/prj_nfc_multimarket.bin: implements support for nTag cards.
•ISO15693/prj_nfc_multimarket.bin: implements support for iCode cards.
All prepared binaries support OTA.

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NFC-Bluetooth Low Energy Quickstart Guide
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3.3.3 Source Code of the QN9020 project
The source code of the NFC-Bluetooth Low Energy application is provided as a zip file
and implements the complete functionality of the NFC-Bluetooth Low Energy application.
The application project is prepared for Keil toolchain.
Keil MDK is software development environment for a wide range of Arm Cortex-M-based
microcontroller devices. MDK includes the µVision IDE, debugger, Arm C/C++ compiler,
and essential middleware components. More details about it and license constraints are
described on Keil webpage and are not part of this document.
Importing provided SW projects
Application source code is available in "MultiMarket_Keil_Package_20170912.zip" file.
Follow the sequence described below to import software projects:
•Extract "MultiMarket_Keil_Package_20170912.zip" file to an empty folder
•Start the Keil µVision IDE
•Open application project
–Click on "File/Open" icon
–Browse to the application project. Path
"MultiMarket_Keil_Package_20130912\prj_nfc_multimarket\keil
\nfc_multimarket.uvproj"
–Application opens as shown in figure below
•The software package is ready for use
Figure 11. Flash OTA enabled FW
Build the project
•Select project in the "Project" window
•Right click on the project and select "Build target" option
Download application
•Select project in the "Project" window
•Click on "Download" icon or click F8 button

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4 Smartphone Applications
4.1 Introduction
This chapter describes the installation process and functionality of the iOS and Android
applications running on the smartphone.
The main purpose of the application is to flash the NFC-Bluetooth® Low Energy firmware
using OTA and managing data on the NFC tag through the Bluetooth Low Energy
connection.
Note:
iOS requirement: iOS 10.0 or later, Bluetooth.
Android: Android 6.0+, Bluetooth, Location.

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4.2 iOS Application
4.2.1 Installation
The application is only shared on demand.
Note:
iOS requirement: iOS 10.0 or later, Bluetooth.
4.2.2 Application Tabs
The application has 3 main tabs: "Reader & Tag", "Detection" and "R/W" (Read/Write).
Figure 12. Application Tabs

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4.2.3 Reader and Tag
This page displays information about the connected reader. At the top left there is an info
button, to navigate to the Info page of the application. At the top right is a refresh button,
to recheck the connection status and with the “+” button you get to the “Add Readers”.
You can change the Firmware of the reader, with the three buttons “NTAG”, “ICODE” and
“ICODE ILT” (32 MHz).
Figure 13. Reader & Tag Figure 14. Reader & Tag

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4.2.4 Add Readers
This page displays Bluetooth devices that are nearby, select one to connect to it. You get
a message and will return to the Reader & Tag tab. Tapping the refresh button in the top
right will rescan devices.
Figure 15. Add Readers

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4.2.5 Info Tab
Here you can access:
• About
Information about the app.
• Legal Notice
License agreement and notices for libraries and other resources used.
• Version
The version number of the application.
Figure 16. Info Tab

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4.2.6 Change Firmware
NTAG – Supporting 21x product family
ICODE – Supporting ICODE SLIX and SLIX 2 products
ICODE ILT – Supporting ICODE ILT
Figure 17. Change Firmware

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When pressing the NTAG, ICODE or ICODE ILT buttons, the App checks if the correct
FW is loaded in the Bluetooth Low Energy IC.
If correct FW is loaded, “Correct FW.” message pops-up.
Figure 18. Correct FW