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

  • Type-C USB cable

  • FRDM-MCXA276 board

  • Personal Computer

Board settings

I3C one board:

  • Transfer data from MASTER_BOARD to SLAVE_BOARD of I3C interface, I3C0 pins of MASTER_BOARD are connected with I3C0 pins of SLAVE_BOARD

MASTER_BOARD    CONNECTS TO       SLAVE_BOARD
Pin Name        Board Location    Pin Name   Board Location
I3C0_SCL/P1_9   J2-20             P1_9       J2-20
I3C0_SDA/P1_8   J2-18             P1_8       J2-18
GND             J2-14             GND        J2-14

Prepare the Demo

  1. Connect a USB Type-C cable between the host PC and the MCU-Link USB port on the target 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. Press reset button to begin running the demo.

Running the demo

The log below shows the output of the hello world demo in the terminal window:

I3C board2board EDMA example -- Slave transfer.

Check I3C master I3C SDR transfer.
Slave received data :
0x 0  0x 1  0x 2  0x 3  0x 4  0x 5  0x 6  0x 7  
0x 8  0x 9  0x a  0x b  0x c  0x d  0x e  0x f  
0x10  0x11  0x12  0x13  0x14  0x15  0x16  0x17  
0x18  0x19  0x1a  0x1b  0x1c  0x1d  0x1e  0x1f  

I3C slave request IBI event with one mandatory data byte 0x20.
I3C slave request IBI event sent.

I3C master I3C SDR transfer finished.