register management done right.

Create register maps in your browser, populate them with registers and download the generated VHDL or SystemVerilog, C header, documentation and more.

You don't need to install or license anything.

Sign Up for Free

or log in

Trusted by over 800 developers worldwide

Great simple tool. Almost perfect in every way.
– Phillip S.
We had been building different incarnations of this ourselves for years, but this one is even better and more complete.
– Andy Norton, Comm Logic Design / Lyft
Great tool. Web-based registers definition plus easy generation of multiple output formats. All done in a clear way.
– Luca Colombini, CAEN SpA
If you have not tried airhdl , it is worth a go... It is a code generator for CSR blocks with very nicely written output in all major RTL's plus great documentation. Try it out!
– Kevin McCluskey, LSF Design, LLC
Very useful and time saving.
– Andrea Campera, Campera Electronic Systems
Nice tool!
– John M., FPGA Design Engineer

The ten minute introduction to airhdl

Featured in

Xcell Daily Blog