Abstract
CORDIC (COordinate Rotation DIgital Computer), also known as Volder's algorithm, is a simple and efficient algorithm to calculate hyperbolic functions, natural log, square root and trigonometric functions. The operations required for the solving or evaluating Cordic equation are simple shift operation, addition and subtraction to find sine and cosine. It also has small lookup table to store constant values. In earlier design single processor where used, which increases the number of clock cycles, reduces the speed and performance of the system during the calculation of trigonometric function because it uses Taylor's series method where multiplication of two variables consumes more time i.e. software implementation. So we go for separate processor in an processor called coprocessor using hardware implementation method i.e. CORDIC method which helps in clock cycle reduction, high performance, low cost. The design is described in VHDL and simulated in modelsim.
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