复位问题是ASIC设计中的一个关键问题, 其处理得当与否将直接影响整个电路的性能, 在此本文从多个

角度对同步复位和异步复位进行了讨论和分析, 并且比较了各自的优缺点, 重点针对异步复位过程中存

在的亚稳态问题采用两级复位同步和复位分配缓冲树的方法进行了相应的解决。-Reset ASIC design problem is a key issue, which handled properly or not will directly affect the performance of the entire circuit, in this article　many angles synchronous reset and asynchronous reset are discussed and analyzed, and compare their advantages and disadvantages focus on the method of synchronization and reset distribution buffer tree two resetting the corresponding solutions for asynchronous reset metastable problem existing in the process.