This is the documentation for the latest (main) development branch of mcuxpresso sdk. If you are looking for the documentation of previous releases, use the drop-down menu on the left and select the desired version.

Hardware requirements

J-Link ARM
TWR-KM34Z75M board
Mini USB cable
Personal Computer

Board settings

No special settings are required.

Prepare the Demo

Connect a USB cable between the host PC and the OpenSDA USB port on the target board.
Open a serial terminal with the following 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 example.

Running the demo

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

--- Quick test ---
--- Quick test done ---

--- None-window mode refresh test start---
--- Refresh wdog 1 time ---
--- Refresh wdog 2 time ---
--- Refresh wdog 3 time ---
--- Refresh wdog 4 time ---
--- Refresh wdog 5 time ---
--- Refresh wdog 6 time ---
--- Refresh wdog 7 time ---
--- Refresh wdog 8 time ---
--- Refresh wdog 9 time ---
--- Refresh wdog 10 time ---
--- None-window mode refresh test done ---

--- Window mode refresh test start---
--- Refresh wdog 1 time ---
--- Refresh wdog 2 time ---
--- Refresh wdog 3 time ---
--- Refresh wdog 4 time ---
--- Refresh wdog 5 time ---
--- Refresh wdog 6 time ---
--- Refresh wdog 7 time ---
--- Refresh wdog 8 time ---
--- Refresh wdog 9 time ---
--- Refresh wdog 10 time ---
--- Window mode refresh test done---

End of Wdog example!