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

  • MIMXRT685-AUD-EVK board

  • Personal Computer

Board settings

Prepare the Demo

  1. Connect a micro USB cable between the PC host and the CMSIS DAP USB port (J5) on the board

  2. Open a serial terminal with the following settings:

    • 115200 baud rate

    • 8 data bits

    • No parity

    • One stop bit

    • No flow control

  3. Download the program to the target board.

  4. Launch the debugger in your IDE to begin running the demo. The log below shows the output of the ostimer example in the terminal window:

Press any key to start example.

Board will enter power deep sleep mode, and then wakeup by OS timer after about 5 seconds.
After Board wakeup, the OS timer will trigger the match interrupt about every 2 seconds.
Board wakeup from deep sleep mode.

OS timer match value reached
OS timer match value reached
OS timer match value reached