Hardware requirements
Mini USB cable
FRDM-K32L2A4S board
Personal Computer
Board settings
No special is needed.
Prepare the Demo
Connect a mini USB cable between the PC host and the OpenSDA USB port on the board.
Open a serial terminal on PC for JLink 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.
Running the demo
The following message shows in the terminal if the example runs successfully.
Press any key to start the example
Tickless Demo example
Press or turn on SWx to wake up the CPU
Tick count :
0
5000
10000
CPU woken up by external interrupt
15000
20000
25000