Hardware requirements

  • Micro USB cable

  • LPCXpresso55S16 board

  • Personal Computer

Board settings

To make i2c example work, connections needed to be as follows: I2C1 connected to I2C4 SCL P0_14(J13-12) –> P1_20(J9-2) SDA P0_13(J13-10) –> P1_21(J9-4)

The jumper setting: Default jumpers configuration does not work, you will need to add JP20 and JP21 (JP22 optional for ADC use)

Prepare the Demo

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

  2. Open a serial terminal with the following settings (See Appendix A in Getting started guide for description how to determine serial port number):

    • 115200 baud rate

    • 8 data bits

    • No parity

    • One stop bit

    • No flow control

  3. Download the program to the target board.

  4. Either press the reset button on your board or launch the debugger in your IDE to begin running the demo.