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FPGA组合逻辑程序的Petri网建模方法

DOI: 10.11830/ISSN.1000-5013.2015.01.0029, PP. 29-34

Keywords: 现场可编程门阵列,组合逻辑,Petri网,建模方法,状态可达图

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Abstract:

针对现场可编程门阵列(FPGA)组合逻辑程序,提出其普通Petri网建模方法.首先,将状态变量描述为库所对,程序中的逻辑运算描述为变迁,从而将系统程序转换为一个普通Petri网结构;然后,根据Petri网的动态分析性能,给出系统状态可达图的计算方法,实现了状态可达图等价描述FPGA组合逻辑系统运行过程.研究结果表明:该Petri网能够准确地描述变量间的逻辑关系,提出的方法可以为FPGA组合逻辑程序的形式化设计和验证提供建模依据.

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