This is the documentation for the latest (main) development branch of mcuxpresso sdk. If you are looking for the documentation of previous releases, use the drop-down menu on the left and select the desired version.

Hardware requirements

  • Mini/micro USB cable

  • LPCXpresso55S36 board

  • Personal Computer

Board settings

Prepare the Demo

  1. Connect a micro USB cable between the PC host and the CMSIS DAP 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.

Running the demo

The log below shows the output of the ELS (Crypto Sub System) and PKC (Public-Key Crypto Coprocessor) demo in the terminal window:

ELS PKC asymmetric cipher example

============================
PKC ECC keygen sign verify:pass 
PKC RSA no-verify:pass 
PKC RSA sign no-encode:pass 
PKC RSA-PSS sign SHA256:pass 
PKC RSA-PSS verify SHA256:pass 
TLS Master session keys:pass 

============================
RESULT: All 6 test PASS!!
ELS example END