NXP Semiconductors NFC Tandem User Manual Download Page 16

NXP Semiconductors

NFC Tandem User Manual

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All information provided in this document is subject to legal disclaimers.

© NXP B.V. 2018. All rights reserved.

User manual

Rev. 0.2 — 17 August 2018

COMPANY PUBLIC

16 / 18

6 Legal information

6.1  Definitions

Draft

 — The document is a draft version only. The content is still under

internal review and subject to formal approval, which may result in

modifications or additions. NXP Semiconductors does not give any

representations or warranties as to the accuracy or completeness of

information included herein and shall have no liability for the consequences

of use of such information.

6.2  Disclaimers

Limited warranty and liability

 — Information in this document is believed

to be accurate and reliable. However, NXP Semiconductors does not

give any representations or warranties, expressed or implied, as to the

accuracy or completeness of such information and shall have no liability

for the consequences of use of such information. NXP Semiconductors

takes no responsibility for the content in this document if provided by an

information source outside of NXP Semiconductors. In no event shall NXP

Semiconductors be liable for any indirect, incidental, punitive, special or

consequential damages (including - without limitation - lost profits, lost

savings, business interruption, costs related to the removal or replacement

of any products or rework charges) whether or not such damages are based

on tort (including negligence), warranty, breach of contract or any other

legal theory. Notwithstanding any damages that customer might incur for

any reason whatsoever, NXP Semiconductors’ aggregate and cumulative

liability towards customer for the products described herein shall be limited

in accordance with the Terms and conditions of commercial sale of NXP

Semiconductors.

Right to make changes

 — NXP Semiconductors reserves the right to

make changes to information published in this document, including without

limitation specifications and product descriptions, at any time and without

notice. This document supersedes and replaces all information supplied prior

to the publication hereof.

Suitability for use

 — NXP Semiconductors products are not designed,

authorized or warranted to be suitable for use in life support, life-critical or

safety-critical systems or equipment, nor in applications where failure or

malfunction of an NXP Semiconductors product can reasonably be expected

to result in personal injury, death or severe property or environmental

damage. NXP Semiconductors and its suppliers accept no liability for

inclusion and/or use of NXP Semiconductors products in such equipment or

applications and therefore such inclusion and/or use is at the customer’s own

risk.

Applications

 — Applications that are described herein for any of these

products are for illustrative purposes only. NXP Semiconductors makes

no representation or warranty that such applications will be suitable

for the specified use without further testing or modification. Customers

are responsible for the design and operation of their applications and

products using NXP Semiconductors products, and NXP Semiconductors

accepts no liability for any assistance with applications or customer product

design. It is customer’s sole responsibility to determine whether the NXP

Semiconductors product is suitable and fit for the customer’s applications

and products planned, as well as for the planned application and use of

customer’s third party customer(s). Customers should provide appropriate

design and operating safeguards to minimize the risks associated with

their applications and products. NXP Semiconductors does not accept any

liability related to any default, damage, costs or problem which is based

on any weakness or default in the customer’s applications or products, or

the application or use by customer’s third party customer(s). Customer is

responsible for doing all necessary testing for the customer’s applications

and products using NXP Semiconductors products in order to avoid a

default of the applications and the products or of the application or use by

customer’s third party customer(s). NXP does not accept any liability in this

respect.

Export control

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may be subject to export control regulations. Export might require a prior

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Evaluation products

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faults” basis for evaluation purposes only. NXP Semiconductors, its affiliates

and their suppliers expressly disclaim all warranties, whether express,

implied or statutory, including but not limited to the implied warranties of

non-infringement, merchantability and fitness for a particular purpose. The

entire risk as to the quality, or arising out of the use or performance, of this

product remains with customer. In no event shall NXP Semiconductors, its

affiliates or their suppliers be liable to customer for any special, indirect,

consequential, punitive or incidental damages (including without limitation

damages for loss of business, business interruption, loss of use, loss of

data or information, and the like) arising out the use of or inability to use

the product, whether or not based on tort (including negligence), strict

liability, breach of contract, breach of warranty or any other theory, even if

advised of the possibility of such damages. Notwithstanding any damages

that customer might incur for any reason whatsoever (including without

limitation, all damages referenced above and all direct or general damages),

the entire liability of NXP Semiconductors, its affiliates and their suppliers

and customer’s exclusive remedy for all of the foregoing shall be limited to

actual damages incurred by customer based on reasonable reliance up to

the greater of the amount actually paid by customer for the product or five

dollars (US$5.00). The foregoing limitations, exclusions and disclaimers

shall apply to the maximum extent permitted by applicable law, even if any

remedy fails of its essential purpose.

Translations

 — A non-English (translated) version of a document is for

reference only. The English version shall prevail in case of any discrepancy

between the translated and English versions.

6.3  Trademarks

Notice: All referenced brands, product names, service names and

trademarks are the property of their respective owners.

Summary of Contents for NFC Tandem

Page 1: ...0 2 17 August 2018 User manual COMPANY PUBLIC Document information Information Content Keywords NFC PN7150 NTAG I2C plus Abstract This user manual describes the design the use and the software aspect...

Page 2: ...nformation provided in this document is subject to legal disclaimers NXP B V 2018 All rights reserved User manual Rev 0 2 17 August 2018 COMPANY PUBLIC 2 18 Revision history Rev Date Description 0 2 2...

Page 3: ...C Tandem concept offers combination of no power NFC functionality of NTAG I 2 C plus and full NFC functionality of PN7150 when powered on NTAG I 2 C plus being visible over NFC interface until the PN7...

Page 4: ...edentials to NTAG I 2 C plus memory via NFC This could eventually been done by in the shop by the merchant device inbox When powered on the host reading those credentials from the NTAG I 2 C plus memo...

Page 5: ...ject to legal disclaimers NXP B V 2018 All rights reserved User manual Rev 0 2 17 August 2018 COMPANY PUBLIC 5 18 3 NFC Tandem reference design 3 1 Schematics Figure 1 NFC Tandem reference design sche...

Page 6: ...nce design comprised of 2 matching tuning areas respectively for PN7150 NTAG I 2 C plus influencing each other Figure 3 NFC Tandem matching tuning 3 2 1 Step 1 Reader matching Plug TX1 and TX2 to an N...

Page 7: ...NXP B V 2018 All rights reserved User manual Rev 0 2 17 August 2018 COMPANY PUBLIC 7 18 Figure 4 NFC Tandem reader matching 3 2 2 Step 2 Ntag tuning Disable switching transistors V_BAT low GND Place...

Page 8: ...0 2 17 August 2018 COMPANY PUBLIC 8 18 Figure 5 NFC Tandem Ntag tuning 3 2 3 Step 3 Re adjust reader matching Now the C9 C10 values defined in Step 1 need to be re adjusted Therefore enable reader mod...

Page 9: ...eader matching re adjusting 3 2 4 Step 4 Check Ntag tuning Enable NTAG mode see Step 1 Check resonance frequency Use contactless method to check reflection on the antenna Should be around 14 0 14 5 MH...

Page 10: ...see 3 respectively allowing connection to Raspberry Pi board see 5 or Arduino compatible boards e g UDOO Neo see 6 Figure 7 NFC Tandem board 4 1 Hardware setup In order to run NFC Tandem demonstration...

Page 11: ...ions must be installed NXP TagWriter see 7 NTAG I2C Demoboard see 8 4 3 Initial setup Follow the following steps during initial setup of the NFC Tandem demo only first time using NFC Tandem board 1 Do...

Page 12: ...ge is reading the NTAG I 2 C plus memory via I 2 C interface and if NDEF WiFi Connection Handover information is found it will use the credential to broadcast related WiFi network Now the NTAG I 2 C p...

Page 13: ...on create a new dataset of type wifi defining SSID name and password 8 characters minimum as you wish use WPA2 for authentication and AES for encryption and write it to the NTAG I 2 C plus memory 3 Po...

Page 14: ...tle device that enables people of all ages to explore computing and to learn how to program in languages like Scratch and Python It s capable of doing everything you d expect a desktop computer to do...

Page 15: ...ion provided in this document is subject to legal disclaimers NXP B V 2018 All rights reserved User manual Rev 0 2 17 August 2018 COMPANY PUBLIC 15 18 14 WiPi WLAN USB Module 802 11n http www newark c...

Page 16: ...using NXP Semiconductors products and NXP Semiconductors accepts no liability for any assistance with applications or customer product design It is customer s sole responsibility to determine whether...

Page 17: ...1 NFC Tandem reference design schematics PN7150 and connectors 5 Fig 2 NFC Tandem reference design schematics NtagI2C and antenna 5 Fig 3 NFC Tandem matching tuning 6 Fig 4 NFC Tandem reader matching...

Page 18: ...e Cases 4 2 1 Service configuration 4 2 2 WiFi and IoT node pairing 4 2 3 Error diagnostic and assistance 4 3 NFC Tandem reference design 5 3 1 Schematics 5 3 2 Matching guide 6 3 2 1 Step 1 Reader ma...

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