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C HAPTER 4: P LACE AND R OUTE
O PTIMIZING THE F IT
You can view the routing congestion in a design, view routing delay
information for paths, and view connection counts to specific nodes. The
Chip Planner also allows you to view the node fan-out and fan-in for specific
structures, or view the paths between specific nodes. If necessary, you can
change or delete resource assignments.
f
For Information About
Viewing the fit in the Chip Planner
Refer To
Engineering Change Management with the
Chip Planner chapter in volume 3 of the
Quartus II Handbook
Using the Design Assistant to Check
Design Reliability
The Quartus II Design Assistant allows you to check the reliability of your
design, based on a set of design rules, to determine whether there are any
issues that may affect fitting or design optimization. The Design Assistant
page of the Settings dialog box allows you to specify which design reliability
guidelines to use when checking your design.
Optimizing the Fit
Once you have run the Fitter and have analyzed the results, you can try
several options to optimize the fit:
■
■
■
■
Using location assignments
Setting options that control place and route
Using the Resource Optimization Advisor
Using the Design Space Explorer
Using Location Assignments
You can assign logic to physical resources on the device, such as a pin, logic
cell, or Logic Array Block (LAB), by using the Chip Planner or the
Assignment Editor in order to control place and route. You may want to use
the Chip Planner to edit assignments because it gives you a graphical view
58
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I NTRODUCTION TO THE Q UARTUS II S OFTWARE
A LTERA C ORPORATION
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相关PDF资料
SW-QUARTUS-SE-FLT SUBSCRIPTION FLOATALL REPL
SW006012 C COMPILER FOR DSPIC30F FAMILY
SW006013 C COMPILER MPLAB FOR DSPIC DSC
SW006015 C COMPILER MPLAB C32
SW300003-EVAL LIBRARY SOFT MODEM-EVAL ONLY
SW300010-EVAL SPEECH RECOG LIBRARY-EVAL ONLY
SW300040-EVAL LIBRARY NOISE SUPPR-EVAL ONLY
SW300060-EVAL LIBRARY ACOUSTIC ECHO-EVAL ONLY
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SW-QUARTUS-SE-FLT 功能描述:开发软件 FLOATING LICENSE FOR QUARTUS II RoHS:否 制造商:Atollic Inc. 产品:Compilers/Debuggers 用于:ARM7, ARM9, Cortex-A, Cortex-M, Cortex-R Processors
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SWR-1 制造商:Sunhayato 功能描述:
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SWR-10-12 制造商:Raxxess 功能描述:Wall Mount 10RU Hinged Rack with 12" Usable Depth
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