Hardware requirements

• Mini USB cable

• LPCXpresso55S36 board

• Personal Computer

Board settings

Prepare the Demo

1. Connect a mini USB cable between the PC host and the LPC-Link USB port (J1) on the board.

2. Open a serial terminal on PC for OpenSDA serial device with these 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

The following message shows in the terminal if the example runs successfully.

USART DMA example
Send back received data
Echo every 8 characters

When you input 8 characters, system will echo it by USART and them would be seen on the OpenSDA terminal.