Within these features, NanoXplore developed the NXscope, an IP aimed for HDL integration in the design which allows to perform signal capture and dumping process on board of a programmed bitstream. This IP comes with the following documentation:
Documentation of the NXscope: User Manual
Feature NXscope_Startup allows to capture a continuous data sequence at the FPGA startup (power-on). NXscope_Startup can be implemented in NG-MEDIUM and NG-LARGE. Feature NXscope Startup app note