摘要：set_clock_latency models board-level clock delays most useful is for I/O constraints,derive_clock_uncertainty calls out individual set_clock_uncertainty for every clock transferderive_clock_uncertainty’s individual calls of set_clock_uncertainty occur when the timing netlist is being updated, which 阅读全文

摘要：periodsetup/holdapplied toadd4create_clock√√nodesecond assignment will be ignoredCREATE_GENERATED_CLOCK√√nodeignore the new constraint and issue a warningDERIVE_PLL_CLOCKS√√nodeSET_INPUT_DELAY/SET_OUTPUT_DELAY√node(external)there is another external register connected to the portoverride the first t 阅读全文

摘要：periodsetup/holduncertaintyapplied toaddcreate_clock√√nodesecond assignment will be ignoredCREATE_GENERATED_CLOCK√√nodeignore the new constraint and issue a warningDERIVE_PLL_CLOCKS√√nodeIf a create_clock or create_generated_clock apply a clock to a node that already has a clock on it from a previou 阅读全文

摘要：period setup/hold uncertainty applied to add create_clock √ √ node second assignment will be ignored ... 阅读全文

摘要：SECTION 4: THE TIMEQUEST GUI .................................................................................................................... 96ENTERING SDC CONSTRAINTS FROM THE GUI........................................................................................................ 96Method # 阅读全文

摘要：SET_MULTICYCLE_PATH .......................................................................................................................................... 80-from/-rise_from/-fall_from - These options control the source-to/-rise_to/-fall_to -These options control the destinationvalues increase, 阅读全文

摘要：1. vsim -c do run.dothis output is : # vsim -c do run.do # ** Error: (vsim-19) Failed to access library 'run' at "run".# No such file or directory. (errno = ENOENT)# Error loading designnote the correct command syntax is vsim -c -do run.do, DO NOT neglect the - 阅读全文

摘要：7. Checking Partition Quality7.1 Incremental Compilation Advisor7.2 Design Partition Planner7.3 Viewing Design Partition Planner and Floorplan Side-by-Side7.4 Partition Statistics Report7.5 Report Partition Timing in the TimeQuest Timing Analyzer7.6 Check if Partition Assignments Impact the ... 阅读全文

摘要：6. Design Partition Guidelines for Third-Party IP Delivery6.1 Allocate Logic Resources6.2 Allocate Global Routing Signals and Clock Networks if Required6.3 Assign Virtual Pins6.4 Perform Timing Budgeting if Required6.5 Drive Clocks Directly6.6 Recreate PLLs for Lower-Level Partitions if Requ... 阅读全文

摘要：5. Design Partition Guidelines types of optimizations are prevented by partition boundaries, you can structure or modify your partitions to avoid these limitations.5.1　Register Partition Inputs and Outputs Registers minimize the delays on inter-partition paths and prevent the need for cross-b... 阅读全文

摘要：4. General Partitioning Guidelines The first step in planning your design partitions is to organize your source code4.1 Plan Design Hierarchy and Design Files hierarchy : the partition includes the assignedinstance and entities instantiated below that are not defined as separate partiti... 阅读全文

摘要：3. Why Plan Partitions and Floorplan Assignmentsmore planning is required setting up the design logic for partitioning may also involve planning placement assignments to create a floorplan more rigorous about following good design practices3.1 Partition Boundaries and Optimization logic opti... 阅读全文

摘要：the standard incremental compilation flow partitions can be compiled and optimized together in one Quartus II project all designlogic is compiled with a consistent set of assignments perform global placement and routing optimizations easier to ensure good quality of resultsthe team-based increme... 阅读全文

摘要：1. Overview: Incremental Compilation optional compilation flow ------ default "flat" compilation flow logical hierarchy boundaries --> set up to support --> creat floor plan; partial reconfiguration 1.1 recommendation for netlist typeSourceassignmentconstraintssourceThe software auto 阅读全文

摘要：altera rld-ssn; rld-timequest; rld-io planning; rld-uvm; rld-uvm regacess, covergroup rb_code of ddr ram rld-prog i/o delay dqdqs and dbuf and phy and training module rld - partitions rld- efficience rld - the simulation example of altera rld used,to generate randum test from write and r... 阅读全文