Hardware requirements
Mini USB cable
FRDM-K32L2A4S board
Personal Computer
Board settings
This demo prints through the OpenSDA serial port, don’t need special board setting.
Prepare the Demo
Connect a mini USB cable between the PC host and the OpenSDA USB port (J13) on frdmk32l2a4s board.
Open a serial terminal on PC for OpenSDA serial device with these settings:
115200 baud rate
8 data bits
No parity
One stop bit
No flow control
Download the program to the target board.
Either press the reset button on your board or launch the debugger in your IDE to begin running the demo. For detailed instructions, see Getting Started with Software Development Kit for K32L2A (document SDKK32L2AGSUG).
Running the demo
When the demo runs successfully, will get the following messages on the OpenSDA 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
Current system clock: RUN
Core clock: 48000000 Hz
Slow clock: 24000000 Hz
Current power mode: HSRUN
Core clock: 72000000 Hz
Slow clock: 24000000 Hz
Current power mode: RUN
Core clock: 8000000 Hz
Slow clock: 4000000 Hz
SCG Example End.