Datasheet

NXP Semiconductors

AN12395

OM-SE050ARD hardware overview

Please be aware that important notices concerning this document and the product(s)

described herein, have been included in section 'Legal information'.

For more information, please visit: http://www.nxp.com

For sales office addresses, please send an email to: salesaddresses@nxp.com

Date of release: 27 June 2019

Document identifier: AN12395

Document number: 534311

Contents

1 Read this first ......................................................3

1.1 Required hardware ............................................ 3

1.2 Required software ............................................. 3

2 Overview .............................................................. 4

3 Headers and connectors .................................... 5

4 Jumpers overview ...............................................6

4.1 I2C configuration ............................................... 6

4.2 Power supply options ........................................ 7

4.3 Deep power-down mode ................................... 9

4.4 Reset pin routing ............................................. 10

4.5 ISO/IEC14443 contactless interface ................ 11

5 OM-SE050ARD board use cases ..................... 13

5.1 SE050 via Arduino header .............................. 13

5.2 SE050 via external I2C connector ................... 14

5.3 SE050 in I2C master mode ............................. 16

5.4 SE050 via ISO14443 mode ............................. 18

5.4.1 ISO/IECC 144443-A via onboarded antenna ... 18

5.4.2 ISO/IECC 144443-A via external antenna ....... 19

5.4.3 ISO/IEC 14443 via DB15 connector ................ 20

6 Legal information .............................................. 21