readme.txt

这是单片机C51典型应用设计代码

8051 Counter 0 Example Program
This example program shows how to configure timer/counter 0 as a 16-bit counter taking input from Port 3.4. Each time P3.4 goes low, the 16-bit counter increments by 1.

To test this program...

Start the debugger. 
View the Toolbox window. 
View the Serial window. 
Run the program. 
Click the Toggle Port 3.4 button in the toolbox. 
You will see the value of the counter increase each time you click on the Toggle button in the ToolBox