LogiCORE IP AXI UART Lite (v1.02a) Data Sheet (AXI)(DS741) - 1.02a English - The LogiCORE IP AXI Universal Asynchronous Receiver Transmitter (UART) Lite interface connects to the Advanced Microcontroller Bus Architecture (AMBA) specification’s Advanced eXtensible Interface (AXI) and provides the controller interface for asynchronous serial data transfer. This soft LogiCORE IP core is designed to interface with the AXI4-Lite protocol. This document contains information about the AXI4 version of the core.