MCUXpresso SDK Documentation
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Hardware requirements

Hardware requirements#

  • Type-C USB cable

  • FRDM-MCXE31B board

  • Personal Computer

Board settings#

No special settings are required.

Prepare the Demo#

  1. Connect a type-c USB cable between the host PC and the MCU-Link USB port (J13) on the target 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. 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 terminal window:

CMU_FM interrupt example.
Clock frequency to be measured: 32000 Hz.
Metered clock frequency: 31897 Hz.
Deviation is within the scope.
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