Hardware requirements
Type-C USB cable
FRDM-MCXA156 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 J8-3 P1_9 J8-3
I3C0_SDA/P1_8 J8-4 P1_8 J8-4
GND J5-8 GND J5-8
Prepare the Demo
Connect a USB Type-C cable between the host PC and the MCU-Link USB port on the target board.
Open a serial terminal with the following settings:
115200 baud rate
8 data bits
No parity
One stop bit
No flow control
Download the program to the target board.
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 interrupt example -- Master transfer.
Start to do I3C master transfer in I2C mode.
Master will send 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
Receive sent data from slave :
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 transfer successful in I2C mode.
I3C master do dynamic address assignment to the I3C slaves on bus.
I3C master dynamic address assignment done.
Start to do I3C master transfer in I3C SDR mode.
Receive sent data from slave :
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 transfer successful in I3C SDR mode.
Start to do I3C master transfer in I3C HDR mode.
Receive sent data from slave :
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 transfer successful in I3C HDR mode.