Hardware requirements

  • USB-C cable

  • FRDM-MCXE247 board

  • Personal Computer

Board settings

No special settings are required.

Prepare the Demo

  1. Connect a USB cable between the host PC and the MCU-LINK USB port 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

  1. Download the program to the target board.

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

Running the demo

When the example runs successfully, the following message is displayed in the terminal:

SCG Example Start

SCG clock source frequency
SIRC clock: 8000000 Hz
FIRC clock: 48000000 Hz
SPLL clock: 72000000 Hz

Current power mode: VLPR
Core clock: 4000000 Hz
Slow clock: 1000000 Hz
Bus clock: 4000000 Hz

Current system clock: RUN
Core clock: 48000000 Hz
Slow clock: 24000000 Hz
Bus clock: 48000000 Hz

Current power mode: HSRUN
Core clock: 72000000 Hz
Slow clock: 24000000 Hz
Bus clock: 72000000 Hz

Current power mode: RUN
Core clock: 8000000 Hz
Slow clock: 4000000 Hz
Bus clock: 8000000 Hz

SCG Example End.