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

  • LPCXpresso54018 board

  • Personal Computer

Board settings

No special settings are required.

Prepare the Demo

  1. Connect a micro USB cable between the host PC and the LPC-Link USB port (J8) on the target board.

  2. Open a serial terminal with the following settings:

    • 9600 baud rate

    • 8 data bits

    • No parity

    • One stop bit

    • No flow control

  3. Download the program to the target board.

Running the demo

Either press the reset button on your board or launch the debugger in your IDE to begin running the demo.

The following lines are printed to the serial terminal when the demo program is executed.

WKT interrupt example

Self-wake-up timer interrupt is occurred ! Self-wake-up timer interrupt is occurred ! Self-wake-up timer interrupt is occurred ! Self-wake-up timer interrupt is occurred ! Self-wake-up timer interrupt is occurred !

And the LD21&&LE22 will start to shine.