Hardware requirements

  • Type-C USB cable

  • FRDM-MCXW23 Board

  • Personal Computer

Board settings

Use the default jumper settings.

Prepare the Demo

  1. Connect a USB cable between the host PC and the FRDM board J10.

  2. Open a serial terminal with the following settings

    • 115200 baud rate

    • 8 data bits

    • No parity

    • One stop bit

    • No flow control

  3. Build and download the application

  4. Start a debug session or press the reset button

Running the demo

The clock can be measured with an oscilloscope on J1-6.

The log below shows the output of the clockout demo in the terminal window:

Clock Output Driver Example.
Please choose one output clock.
	A -- Main Clock.
	B -- CLKIN Clock.
	C -- FRO 32 MHz Clock.
	D -- FRO 1 MHz Clock.
	E -- FRO 24 MHz clock.
	F -- Oscillator 32 kHz Clock.