LogiCORE IP AXI External Peripheral Controller (EPC) (v1.00a) Data Sheet (AXI)(DS809) - 1.00a English - This specification defines the architecture and interface requirements for the External Peripheral Controller (AXI EPC IP Core). The controller supports data transfers between the AXI4 (Advanced eXtensible Interface) and the external synchronous and/or asynchronous peripheral devices such as USB and LAN devices, which have processor interface. This document contains information about the AXI4 version of the core.