LogiCORE IP XPS Interrupt Controller (v2.01a) Data Sheet(DS572) - 2.6 English - The XPS Interrupt Controller (XPS INTC) concentrates multiple interrupt inputs from peripheral devices to a single interrupt output to the system processor. The registers for checking, enabling and acknowledging interrupts are accessed through a slave interface for the Processor Local Bus (PLB V4.6). The number of interrupts and other aspects can be tailored to the target system.