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多时钟域数据传递的FPGA实现 被引量:6

An Implementation of Communicating Data between Multi-clock Domain Based on FPGA
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摘要 分析了多时钟域数据传递设计中亚稳态的产生以及对整个电路性能和功能的影响,以一款异步并行通信接口芯片的设计为例,详细描述了采用同步器、FIFO实现8位并行数据到16位并行数据的两时钟域异步转换的过程。电路在XilinxISE6.0环境下用Modelsim5.7进行了逻辑仿真,结果表明系统稳定可靠。 The paper analyses the metastability which is caused by communicating data between multi- clock domain and effect of metastability to the circuit. For example, the design of asynchronous parallel communication interface chip is described to make use of synchronizer and FIFO to transfer the data band from 8 bits to 16bits between two clock domain in details. The circuit is simulated on a ModelsimS. 7 with Xilinx ISE6.0 software and good test result has gotten.
作者 鲁玲
出处 《现代电子技术》 2007年第21期130-132,共3页 Modern Electronics Technique
关键词 多时钟域 亚稳态 FPGA 异步信号 FIFO multi - clock domain metastability FPGA asynchronous signal FIFO
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参考文献4

二级参考文献12

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共引文献23

同被引文献25

  • 1宋宇鲲,王锐,胡永华,高明伦.使用排队论模型对FIFO深度的研究[J].仪器仪表学报,2006,27(z3):2485-2487. 被引量:10
  • 2武文杰,刘皓,李少谦.基于FPGA的支持切换Bank的SDRAM控制器设计[J].信息技术,2006,30(1):33-36. 被引量:7
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