Hardware requirements

• Micro USB cable

• MCX-N9XX-EVK 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
P1_16      J17                P1_16      J17
P1_17      J18                P1_17      J18
GND        J19-8              GND        J19-8

Prepare the Demo

1. Connect a micro USB cable between the PC host and the MCU-Link USB port (J5) 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. Press reset button to begin running the demo.

Running the demo

The following message shows in the terminal if the example runs successfully.

I3C board2board polling example -- Slave transfer.

Check I3C master I2C transfer.
Slave received data :
0x 1  0x20  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 master I2C transfer finished.

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 master I3C SDR transfer finished.

Check I3C master I3C HDR 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 master I3C HDR transfer finished.