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

  • Type-C USB cable

  • FRDM-MCXC444 board

  • Personal Computer

Board settings

This example project does not call for any special hardware configurations. Although not required, the recommendation is to leave the development board’s jumper settings and configurations in default state when running this example.

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 these 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 example.

Running the demo

When the example runs successfully, you can see the similar information from the terminal as below.

RTC example: set up time to wake up an alarm
Current datetime: 2014-12-25 19:00:00
Please input the number of second to wait for alarm
The second must be positive value
Alarm will occur at: 2014-12-25 19:01:11

Alarm occurs !!!! Current datetime: 2014-12-25 19:01:12
Please input the number of second to wait for alarm
The second must be positive value
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