LogiCORE IP AXI GPIO (v1.01a) Data Sheet (AXI) - 1.01a English - The AXI GPIO provides a general purpose input/output interface to the AXI (Advanced eXtensible Interface) interface. This 32-bit soft IP core is designed to interface with the AXI4-Lite interface. This document contains information about the AXI4 version of the core.