An FPGA System for Digital Signal Processing and CAD tools

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High-performance information communication and processing systems consist of several LSIs (Large Scale Integrated circuits) which process digital signals rapidly. In case of LSIs for variable length coding, etc., since the length is not determined uniquely, it is necessary to develop flexible LSIs which handle variable lengths. FPGAs (Field-Programmable Gate Arrays) are LSIs on which users can design any circuits by programming. In this research, we have developed a new flexible FPGA system for digital signal processing and CAD (Computer-Aided Design) tools which realize arbitrary digital signal processing circuits on the FPGA system. Our research results are summarized as follows.1. Development of FPGA system.2. Development of hardware/software codesign CAD tools.3. Development of high-level synthesis CAD tools.4. Development of layout CAD tools.5. Applications of developed FPFA system.