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Content Provider | ACM Digital Library |
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Author | Mishchenko, Alan Brayton, Robert Greene, Jonathan Feng, Wenyi |
Abstract | Field-Programmable Gate Arrays (FPGA) implement logic functions using programmable cells, such as K-input lookup-tables (K-LUTs). A K-LUT can implement any Boolean function with K inputs and one output. Methods for mapping into K-LUTs are extensively researched and widely used. Recently, cells other than K LUTs have been explored, for example, those composed of several LUTs and those combining LUTs with several gates. Known methods for mapping into these cells are specialized and complicated, requiring a substantial effort to evaluate custom cell architectures. This paper presents a general approach to efficiently map into single-output K-input cells containing LUTs, MUXes, and other elementary gates. Cells with to 16 inputs can be handled. The mapper is fully automated and takes a logic network and a symbolic description of a programmable cell, and produces an optimized network composed of instances of the given cell. Past work on delay/area optimization during mapping is applicable and leads to good quality of results. |
Starting Page | 70 |
Ending Page | 73 |
Page Count | 4 |
File Format | |
ISBN | 9781450333153 |
DOI | 10.1145/2684746.2689082 |
Language | English |
Publisher | Association for Computing Machinery (ACM) |
Publisher Date | 2015-02-22 |
Publisher Place | New York |
Access Restriction | Subscribed |
Subject Keyword | Programmable cells Fpga Technology mapping Boolean function Boolean matching |
Content Type | Text |
Resource Type | Article |
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