MCUXpresso SDK Documentation
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Hardware requirements

Hardware requirements#

  • Micro USB cable

  • LPCXpresso51U68 board

  • Personal Computer

Board settings#

Populate jumper JP3. Connect SPI5 pins to SPI3 pins:

Master - SPI5                 CONNECTS TO      Slave - SPI3
Pin Name   Board Location                      Pin Name  Board Location
MISO       J1 pin 11                           MISO      J4 pin 3
MOSI       J1 pin 13                           MOSI      J4 pin 2
SCK        J2 pin 8                            SCK       J4 pin 4
PCS2       J1 pin 15                           PCS2      J4 pin 7

Prepare the Demo#

  1. Connect a micro USB cable between the PC host and the CMSIS DAP USB port (J6) on the board

  2. Open a serial terminal with the following settings (See Appendix A in Getting started guide for description how to determine serial port number):

    • 115200 baud rate

    • 8 data bits

    • No parity

    • One stop bit

    • No flow control

  3. Download the program to the target board.

  4. Reset the SoC and run the project.

Running the demo#

When the demo runs successfully, the log would be seen on the CMSIS DAP terminal like:

SPI one board interrupt example started!

SPI transfer finished!
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