Fourteen Ways to Fool Your SynchronizerFourteen Ways to Fool Your Synchronizer

机译：十四种方式来欺骗你的SynchronizerFourteen的方法来欺骗你的同步器

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Transferring data between mutually asynchronous clock domains requires safe synchronization. However, the exact nature of synchronization sometimes eludes designers, and as a result synchronization circuits get "optimized" to the point where they do no longer operate correctly. This paper reviews a number of such cases, analyzes the causes of the errors, and offers a correct synchronizer circuit for each case. A correct two-flop synchronizer is presented. After discussing cases that avoid synchronization, the following synchronizers are reviewed: one flop, sneaky path, greedy path, wrong protocol, global reset, async clear, DFT leakage, pulse, slow-to-fast, metastability blocker, parallel and shared flop synchronizers.

机译：在互相异步时钟域之间传输数据需要安全同步。然而，同步的确切性质有时会落户设计人员，并且由于同步电路将“优化”到它们所做的点不再正常运行。本文审查了许多此类案例，分析了错误的原因，并为每种情况提供正确的同步器电路。提出了一个正确的双刷同步器。讨论避免同步的情况后，查看以下同步：一个牌，偷窥路径，贪婪路径，错误的协议，全局复位，异步清除，DFT泄漏，脉冲，慢速，衡量旋转性阻塞器，并行和共享的滚动同步器。

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《International Symposium on Asynchronous Circuits and Systems》|2003年||共8页
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Ran Ginosar;
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机译：欺骗同步器的十四种方法

Fourteen Ways to Fool Your SynchronizerFourteen Ways to Fool Your Synchronizer

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