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Overview..................................................................................................................................................... 34-1
Feature Description................................................................................................................................... 34-2
Avalon-MM Compliant CSR Registers.......................................................................................34-2
32-bit Counter................................................................................................................................34-4
Interrupt Detector..........................................................................................................................34-5
Component Interface................................................................................................................................ 34-5
Component Parameterization..................................................................................................................34-5
Software Access..........................................................................................................................................34-6
Routine for Level Sensitive Interrupts........................................................................................ 34-6
Routine for Edge/Pulse Sensitive Interrupts..............................................................................34-6
Implementation Details............................................................................................................................ 34-7
Interrupt Latency Counter Architecture.................................................................................... 34-7
IP Caveats....................................................................................................................................................34-8
Document Revision History.....................................................................................................................34-8
TOC-13
Altera Corporation