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

  • Micro USB cable

  • MIMXRT685-AUD-EVK board

  • Personal Computer

Board settings

Prepare the Demo

  1. Connect a micro USB cable between the PC host and the CMSIS DAP USB port (J5) 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. Launch the debugger in your IDE to begin running the demo.

Running the demo

The log below shows the output of the trng example in the terminal window:

TRNG Peripheral Driver Example
Generate 10 random numbers: 
Random[0] = 0x201FEB53
Random[1] = 0x85A32C28
Random[2] = 0xDC66342C
Random[3] = 0xFD43ACFF
Random[4] = 0x1CD53C0
Random[5] = 0xB27EDBEB
Random[6] = 0x32AB81D5
Random[7] = 0x6AA5B70F
Random[8] = 0x81C41286
Random[9] = 0xC9620BD8

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