Hardware requirements

• Micro USB cable

• two IMX95LP4X-EVK boards

• J-Link Debug Probe

• 12V~20V power supply

• Personal Computer

Board settings

Connection as below:

MASTER(LPI2C6)                connect to        SLAVE(LPI2C6)
Pin Name    Board Location                      Pin Name    Board Location
SDA         J27 pin 3                         SDA         J27 pin 3
SCL         J27 pin 5                         SCL         J27 pin 5
GND         J27 pin 9                         GND         J27 pin 9

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 polling example -- Master transfer.
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  


End of LPI2C example .