Software Programming Model.................................................................................................................31-3
Software Files..................................................................................................................................31-4
Using the Performance Counter..................................................................................................31-4
Interrupt Behavior......................................................................................................................... 31-6
Performance Counter API........................................................................................................................31-6
PERF_RESET()...............................................................................................................................31-6
PERF_START_MEASURING().................................................................................................. 31-7
PERF_STOP_MEASURING().....................................................................................................31-7
PERF_BEGIN().............................................................................................................................. 31-7
PERF_END().................................................................................................................................. 31-8
perf_print_formatted_report().................................................................................................... 31-8
perf_get_total_time().................................................................................................................... 31-9
perf_get_section_time()................................................................................................................31-9
perf_get_num_starts()................................................................................................................ 31-10
alt_get_cpu_freq()....................................................................................................................... 31-10
Document Revision History...................................................................................................................31-11
PLL Cores...........................................................................................................32-1
Core Overview............................................................................................................................................32-1
Functional Description............................................................................................................................. 32-2
ALTPLL Megafunction................................................................................................................. 32-2
Clock Outputs................................................................................................................................ 32-2
PLL Status and Control Signals....................................................................................................32-2
System Reset Considerations........................................................................................................32-3
Instantiating the Avalon ALTPLL Core..................................................................................................32-3
Instantiating the PLL Core....................................................................................................................... 32-3
Hardware Simulation Considerations.................................................................................................... 32-5
Register Definitions and Bit List..............................................................................................................32-5
Status Register................................................................................................................................ 32-5
Control Register............................................................................................................................. 32-6
Phase Reconfig Control Register................................................................................................. 32-7
Document Revision History.....................................................................................................................32-8
Altera MSI to GIC Generator............................................................................33-1
Overview..................................................................................................................................................... 33-1
Background.................................................................................................................................................33-1
Feature Description................................................................................................................................... 33-1
Interrupt Servicing Process.......................................................................................................... 33-2
Registers of Component................................................................................................................33-3
Unsupported Feature.................................................................................................................... 33-4
Altera SMBus Core Interface....................................................................................................................33-5
Component Interface.................................................................................................................... 33-7
Component Parameterization......................................................................................................33-7
Document Revision History.....................................................................................................................33-9
Altera Interrupt Latency Counter.....................................................................34-1
TOC-12
Altera Corporation
