It is an effective method to transfer groups of signals clock domain crossing by asynchronous FIFO. Based on asynchronous FIFO, a design method was proposed by extending the width of FIFO to achieve conversion with gating and da-ta. Compared to traditional methods, the new method has a better synchronization.%采用异步FIFO是解决多比特数据跨时钟域传递的一种有效方法。在异步FFIO的基础之上提出一种通过扩展FIFO位宽，实现伴随门控信息与数据同时转换的新方法。与传统方法相比较，新方法具有更好的同步性。
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