Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

Fixed Point or Floating point implementation

I need to implement closed loop controllers like multiple PID controller in FPGA. I also need to do some signal preconditioning and signal processing in fpga. I would like to know if its bett...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

Fixed point arithmatic is the same as integer arithmatic, so therefore very fast and very cheap in FPGAs

Floating pouint is slow and logic hungry.

Always avoid floating point in FPGAs when possible.