Chapter

Field-Programmable Logic Architectures, Synthesis and Applications

Volume 849 of the series Lecture Notes in Computer Science pp 78-88

Date:

Specification and synthesis of complex arithmetic operators for FPGAs

  • Hans-Juergen BrandAffiliated withFaculty of Electrical Engineering, Technical University Chemnitz-Zwickau
  • , Dietmar MuellerAffiliated withFaculty of Electrical Engineering, Technical University Chemnitz-Zwickau
  • , Wolfgang RosenstielAffiliated withFaculty of Informatics, University of Tuebingen

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Abstract

This paper describes the application of the experimental system LORTGEN for the technology-specific specification and synthesis of high performance arithmetic operators for FPGAs. Using multiplier and adder designs for the XC3xxx-LCA-family as example we demonstrate that the implemented architecture-specific techniques boost the performance and density of the designs. Consequently, LORTGEN enables the implementation of complex operators (e.g. multipliers) in one FPGA, frees the designers from device-specific implementation details and allows them to focus more on actually designing the application.