hard coded (or Hardcoded) data

This term is defined in ECSS-E-ST-50-15C as
“embedding what can, perhaps only in retrospect, be regarded as input or configuration data directly into the source code/read only memory of a FPGA/device, or fixed formatting of the data, instead of obtaining that data from external sources [CANopen – CiA Standard 301 V4.2.0]”