| 摘要 |
PURPOSE:To detect the specific pattern such as a unique word by a low-speed clock. CONSTITUTION:The pattern detection device is provided with comparison means 101-132 comparing the input data with the previously determined pattern at every bit, plural counters 61-64 counting the comparison result of coincidence and discordance at every bit in the unit of prescribed bit number, and an adder means 81 adding the output of the plural counters 61-64. According to the addition output of the adder means 81, the coincidence of the pattern is detected. |
