Hardware requirements

• Micro USB cable

• LPCXpresso55s69 board

• Personal Computer

Board settings

No special is needed.

Prepare the Demo

Note: MCUXpresso IDE project default debug console is semihost

1. Connect a micro USB cable between the PC host and the LPC-Link USB port (P6) 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. Reset the SoC and run the project.

Running the demo

When the demo runs successfully, the log would be seen on the terminal like:

Usart functional interrupt example
Board receives characters then sends them out
Now please input: