MCUXpresso SDK Documentation

Hardware requirements#

  • Type-C USB cable

  • FRDM-MCXN947 board

  • Personal Computer

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.

Running the demo#

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


FATFS example to demonstrate how to use FATFS with SD card.

Please insert a card into board.

Card inserted.

Make file system......The time may be long if the card capacity is big.

Create directory......

Create a file in that directory......

Create a directory in that directory......

List the file in that directory......
General file : F_1.DAT.
Directory file : DIR_2.

Write/read file until encounters error......

Write to above created file.
Read from above created file.
Compare the read/write content......
The read/write content is consistent.

Input 'q' to quit read/write.
Input other char to read/write file again.

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