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:

Card size xxxxx bytes

Working condition:

  Voltage : xxxV

  Timing mode: xxx

  Freq : xxx HZ

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 read/write/erase process.
Input other char to read/write/erase data blocks again.