Each register can be filled with many different fields of different types and interpretations. See the menu sidebar for details on each of the field types we support.
Adding a field to a register in Python is done by running e.g.
Or in a TOML data file e.g. like this.
See the page for each field type for more details about both Python API and TOML format.
Obviously there is a limit to how many fields you can add to a register. If your fields add up to more than 32 bits of width, an error will be reported.