LogiCORE IP AXI Timer (axi_timer) (v1.03.a) Data Sheet (AXI)(DS764) - 1.03a English - This document describes the specifications for a Advanced Microcontroller Bus Architecture (AMBA) specification’s Advanced eXtensible Interface (AXI) Timer/Counter core. The AXI Timer/Counter is a 32/64-bit timer module that attaches to the AXI4-Lite interface. This document contains information about the AXI4 version of the core.