电路CAD课程里利用QUATURS环境写出的时钟程序，能够实现时钟的调整，定时响铃功能。并且还有与实验箱链接的方法。这个报告里把这些都包括了-Circuit CAD program written in the environment using QUATURS clock program that enables the adjustment of the clock, timing ring function. And there are links with the experimenta