Hardware requirements

  • Type-C USB cable

  • FRDM-MCXN947 board

  • Personal Computer

Board settings

Prepare the Demo

  1. Connect a type-c USB cable between the host PC and the MCU-Link USB port (J17) 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.

Running the demo

  1. Either press the reset button on your board or launch the debugger in your IDE to begin running the demo.

The following lines are printed to the serial terminal when the demo program is executed.

PINT Pin interrupt example

PINT Pin Interrupt events are configured

Press corresponding switches to generate events

  1. This example configures “Pin Interrupt 0” to be invoked when SW1 switch is pressed by the user. The interrupt callback prints “PINT Pin Interrupt 0 event detected”. “Pin Interrupt 1” is is configured to be invoked when SW2 is pressed. The interrupt callback prints “PINT Pin Interrupt 1 event detected”.