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Synthesis of multilevel multiplexer circuits for incompletely specified multioutput Boolean functions with mapping to multiplexer based FPGA's

机译:综合不完全指定的多输出布尔函数的多级多路复用器电路,并映射到基于多路复用器的FPGA

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摘要

The introduction of the multiplexer-based Actel FPGA series ACT resulted in an increased interest in multiplexer circuits. This paper introduces a level-by-level top-down minimization algorithm for them. The concept of a local transform is applied for the generalization of the ratio parameter method for M(1) multiplexer synthesis having one data select input and a spectral method for M(2) multiplexer synthesis to determine redundant multiplexer inputs for M(k) multiplexer circuits. The algorithm developed for multilevel synthesis of M(k) multiplexer circuits for incompletely specified multioutput Boolean functions takes advantage of the combination of spectral and Boolean methods. The obtained multiplexer circuit can be directly realized with FPGA's like the Actel ACT series or the CLi 6000 series from Concurrent Logic. A simple heuristic is applied to map an M(1) multiplexer circuit to the Actel ACT1 family.
机译:基于多路复用器的Actel FPGA系列ACT的引入导致对多路复用器电路的兴趣增加。本文介绍了针对它们的逐级自顶向下的最小化算法。将局部变换的概念用于具有一个数据选择输入的M(1)多路复用器合成的比率参数方法和M(2)多路复用器合成的频谱方法的通用化,以确定M(k)多路复用器的冗余多路复用器输入电路。为M(k)多路复用器电路的多级综合而开发的算法,用于不完全指定的多输出布尔函数,它利用了频谱和布尔方法的组合。所获得的多路复用器电路可以直接用FPGA来实现,例如Concurrent Logic的Actel ACT系列或CLi 6000系列。应用简单的启发式方法将M(1)多路复用器电路映射到Actel ACT1系列。

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