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程序控制的关键是时间环节,时间环节接受作为时间基准振荡器的脉冲信号,把这信号记忆叠加产生精确的可供使用的时间信号。现在很多时间环节用环形计数器来实现,这类时间环节基本上能满足程序线路的
Program control is the key to the time link, time to accept as a time-based oscillator pulse signal, the signal memory superimposed to produce an accurate time signal available. Now a lot of time with the ring counter to achieve this type of time basically meet the program line