这是序列检测器。串行序列产生是指根据时钟和相应的控制信号，产生稳定的单bit输出信号；监测器指根据相应时钟输入的电平序列，监测该序列中是否存在预设的序列，无论从第几个输入开始，只要存在，总能监测到。监测到予以标示。-This is the sequence detector. Have a serial sequence is defined as the clock and the corresponding control signal, producing a stable single-