Hardware requirements

  • Micro USB cable

  • LPCXpresso54628 board

  • Personal Computer

  • SDIO card(such as wifi card, we use ATHEROS AR6233X to test)

Board settings

Insert the sdio card into card slot

Prepare the Demo

  1. Connect a micro USB cable between the PC host and the LPC-Link USB port (J8) 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. Reset the SoC and run the project.

Running the demo

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

SDIO card simple example.

Please insert a card into board.

Card inserted.

Read function CIS, in direct way

CIS read successfully

Please note that below log maybe printed according to the card capability.


Read function CIS, in extended way, non-block mode, non-word aligned size

Read function CIS, in extended way, block mode, non-word aligned size

The read content is consistent.