Hardware requirements

  • Micro USB cable

  • two IMX95LPD5-EVK boards

  • J-Link Debug Probe

  • 12V~20V power supply

  • Personal Computer

Board settings

Connection as below:

MASTER(LPI2C1)                connect to        SLAVE(LPI2C1)
Pin Name    Board Location                      Pin Name    Board Location
SCL         J22 pin 3                         SCL         J22 pin 3
SDA         J22 pin 5                         SDA         J22 pin 5
GND         J22 pin 7                         GND         J22 pin 7

Please note this application can’t support running with Linux BSP!

Prepare the Demo

  1. Connect 12V~20V power supply and J-Link Debug Probe to the board, switch SW4 to power on the board.

  2. Connect a micro USB cable between the host PC and the J31 USB port on the target board.

  3. Open a serial terminal with the following settings:

    • 115200 baud rate

    • 8 data bits

    • No parity

    • One stop bit

    • No flow control

  4. Download the program to the target board.

  5. Either re-power up your board or launch the debugger in your IDE to begin running the example

Running the demo

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

LPI2C board2board EDMA 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 LPI2C example .