Hardware requirements

Mini USB cable
Two FRDM-MCXC242 boards
Personal Computer

Board settings

I2C one board:

Transfer data from MASTER_BOARD to SLAVE_BOARD of I2C interface, I2C0 pins of MASTER_BOARD are connected with I2C0 pins of SLAVE_BOARD

MASTER_BOARD        CONNECTS TO         SLAVE_BOARD
Pin Name   Board Location     Pin Name   Board Location
I2C0_SCL   J4-12              I2C0_SCL   J4-12
I2C0_SDA   J4-10              I2C0_SDA   J4-10
GND        J3-14              GND        J3-14

Prepare the Demo

Connect a mini USB cable between the PC host and the OpenSDA USB port on the 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.
Either press the reset button on your board or launch the debugger in your IDE to begin running the demo.

Running the demo

When the demo runs successfully, the following message is displayed in the terminal:

I2C board2board DMA example – Slave 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

End of I2C example .