NXP Semiconductors OM13503, User Manual, Page: 13 / 14

NXP Semiconductors
UM10817
OM13503, PCA8539 demo board
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in the section 'Legal information'.
© NXP B.V. 2014. All rights reserved.
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: salesaddresses@nxp.com
Date of release: 3 September 2014
Document identifier: UM10817
9. Contents
1. Introduction ......................................................... 3
2. Board description and layout ............................. 4
2.1 Power Supply ..................................................... 5
2.2 Switches ............................................................. 5
2.3 Jumpers ............................................................. 6
2.4 Use of internal/external oscillator ....................... 6
2.5 Connectors ......................................................... 6
2.6 LPCXpresso ....................................................... 6
3. Board schematic and layout of OM13503.......... 7
4. Display module .................................................... 9
5. Software code example ...................................... 9
6. References ......................................................... 10
7. Legal information .............................................. 11
7.1 Definitions ........................................................ 11
7.2 Disclaimers ....................................................... 11
7.3 Trademarks ...................................................... 11
8. List of figures ..................................................... 12
9. Contents ............................................................. 13