将计数器0设置为方式0，计数器初值设为0H~FH，用手动逐个输入单脉冲，编成使计数值在屏幕上显示，并同时用逻辑笔观察OUT0点平变化。程序如下：-The counter is set to 0 means 0, counter initial value set to 0H ~ FH, one by one manually-input-single-pulse, into numerical terms so that on the screen and at the same time a