請先看『使用說明』

From LEXWiKi

The Sample code source you can download from

Source file: 81801UWDTw_src_v10.rar

Binary file: 81801UWDTw_bin_v10.rar

How to use the DEMO Application

• Step 1:Key-in the 1~255 value in Red number 1.
  
• Step 2:Press the "WDT Enable" button in Red number 2,the system will reboot after step 1 you key-in Sec.
  
• Step 3:Press the "WDT Disable" button in Red number 3,It will stop WDT function.
  

So you can make the loop with Enable and Disable to protection your system when crash.