FPGARelated.com

How to do Math's in FPGA - Using VHDL 2008

Adam Taylor

Following the introduction of VHDL 93, which introduced the numeric_std package and the signed and unsigned types, implementing fixed point maths has been fairly straight forward. Using this package, we can implement mathematics using a fixed point representation. However, to implement a fixed point algorithm we need to understand the simple rules regarding fixed point operations.