Hardware requirements

  • Type-C USB cable

  • FRDM-MCXN947 board

  • Personal Computer

  • SD card

Board settings

SD Card slot J12 need to manual weld

Prepare the Demo

  1. Connect a type-c USB cable between the PC host and the MCU-Link USB port (J17) 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. Please insert the SDCARD into card slot(J25)

Running the demo

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


SDCARD freertos example.

Card inserted.

Read/Write/Erase the card continuously until encounter error......

Write/read one data block......
Compare the read/write content......
The read/write content is consistent.
Write/read multiple data blocks......
Compare the read/write content......
The read/write content is consistent.
Erase multiple data blocks......

Input 'q' to quit card access task.
Input other char to read/write/erase data blocks again.

If sd card is not inserted before example run, then more log will generated like:

SDCARD freertos example.

Please insert a card into board.