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

  • LPCXpresso55s69 board

  • Personal Computer

Board settings

Prepare the Demo

Note: MCUXpresso IDE project default debug console is semihost

  1. Connect a micro USB cable between the PC host and the CMSIS DAP USB port (P6) 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

When the example runs successfully, the following message is displayed in the terminal:

Flash driver API tree Demo Application...
Initializing flash driver...
Flash init successfull!!. Halting...

 PFlash Example Start 
	kFLASH_PropertyPflashBlockBaseAddr = 0x0
	kFLASH_PropertyPflashSectorSize = 32768
	kFLASH_PropertyPflashTotalSize = 655360
	kFLASH_PropertyPflashPageSize = 0x200

Calling FLASH_Erase() API...
Done.

Done!
Calling FLASH_VerifyErase() API...
Done.

FLASH Verify Erase successful!
Calling FLASH_Program() API...
Done.

Calling FLASH_VerifyProgram() API...
Done.

FLASH Verify Program successful!

 Successfully Programmed and Verified Location 0x80000 -> 0x80200 
Done!