A Novel Fixed-Point Simulation Library for the Design of FPGAs
Bingyang Liu, Xiaojun Zhang, Zhenchao Chang, Jing Liu · International Journal of Information Engineering and Electronic Business · 2010
Fixed-point simulation is extremely important in the design of fixed-point FPGAs.Float-point simulation is used to verify the arithmetic, while the fixed-point simulation is adopted to evaluate the performance and verify the implementation.The design of high-precision system based on FPGAs must focus on the fixed-point simulation to reduce the error acceptable even to zero.Basing on the analysis of fixed-point simulation approaches, especially the approach with MATLAB Fixed-Point Toolbox, we propose a novel fixed-point simulation library consisting of four modules.The library works under VC environment and its basic definition module imitates operating principle of MATLAB Fixed-Point Toolbox.The aim of library is to assit setting up fixed-point simulation conveniently, easily and quickly.Finally, simulation shows effect of the library.