参数资料
型号: SW-QUARTUS-SE-FIX
厂商: Altera
文件页数: 61/136页
文件大小: 0K
描述: QUARTUS II ANNUAL SUBSCRIPTION
应用说明: Software Licensing App Note
产品培训模块: Quartus II Design Software
标准包装: 1
类型: 设计软件
适用于相关产品: Altera 设备
产品目录页面: 605 (CN2011-ZH PDF)
其它名称: 544-1247
FIXEDPC
C HAPTER 4: P LACE AND R OUTE
I NTRODUCTION
Introduction
The Quartus II Fitter places and routes your design, which is also referred to
as “fitting” in the Quartus II software. Using the database that has been
created by Analysis & Synthesis, the Fitter matches the logic and timing
requirements of the project with the available resources of the target device.
It assigns each logic function to the best logic cell location for routing and
timing, and selects appropriate interconnection paths and pin assignments.
Figure 1 shows the place and route design flow.
Figure 1. Place and Route Design Flow
f r o m Q u a r t u s II
to Q u a r t u s II ti m i n g
A n alysis &
Sy n thesis
Compiler
Database
Files ( .cdb )
Quartus II
Settings
Q u a r t u s II Fitte r
q u a rtus_fit
Q u a r t u s II
Desig n Assista n t
q u a rtus_drc
a n alysis, EDA Netlist
W r ite r , o r Asse m ble r
Report Files
( .rpt , .htm )
Files ( .qsf )
If you have made resource assignments in your design, the Fitter attempts to
match those resource assignments with the resources on the device, tries to
meet any other constraints you have set, and then attempts to optimize the
remaining logic in the design. If you have not set any constraints on the
design, the Fitter automatically optimizes it. If it cannot find a fit, the Fitter
terminates compilation and issues an error message.
In the Compilation Process Settings page of the Settings dialog box, you
can specify whether you want to perform a normal compilation or smart
compilation. With a smart compilation, the Compiler creates a detailed
database that can help future compilations run faster, but may consume
extra disk space. During a smart recompilation, the Compiler evaluates the
changes made to the current design since the last compilation and then runs
only the Compiler modules that are required to process those changes. If you
make any changes to the logic of a design, the Compiler uses all modules
during processing.
52
I NTRODUCTION TO THE Q UARTUS II S OFTWARE
A LTERA C ORPORATION
相关PDF资料
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SW-QUARTUS-SE-FLT SUBSCRIPTION FLOATALL REPL
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SWR-10-12 制造商:Raxxess 功能描述:Wall Mount 10RU Hinged Rack with 12" Usable Depth