This is the documentation for the latest (main) development branch of mcuxpresso sdk. If you are looking for the documentation of previous releases, use the drop-down menu on the left and select the desired version.

Hardware requirements

  • Micro USB cable

  • LPCXpresso51U68 board

  • Personal Computer

Board settings

Populate jumper JP3. Connect SPI slave on board to SPI master on other board

Slave - SPI3
Pin Name   Board Location
MISO       J4 pin 3
MOSI       J4 pin 2
SCK        J4 pin 4
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:

Slave is working....

Succeed!