The Aurora 64B/66B core supports the user interfaces in big endian format by default. The core also supports little endian format allowing easy connection to AXI4-Stream compliant IP designs.
1. [ n :0] bus format is used when the little endian support option is selected. [0: n ] bus format is used
when the big endian support option is selected. The core has an option to configure the
AXI4-Stream User I/O as little endian from the Vivado IDE. The default is big endian.
2. Ports are active-High unless specified otherwise.