利用8051定时器1产生定时时间即门控信号，在门控信号作用期间，8051定时器0对输入的脉冲进行计数，并进行数据处理后，送入LED进行显示。-8051 Timer 1 the generation timing time, i.e. the gating signal during the gating signal role, 8051 Timer 0 the input of the pulse counting, and data processing, into the LED disp