Placement and Routing

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Report File - specifies the name of the report file. The software will checkthe library for potential problems and mark them as infos. These are

listed in the report. If errors are found, you must correct them before youcan load your netlist. The default report file name is .importlef.rpt. Thebrowse button lets you change the directory in which the system will putthe report.

Options - lets you specify features that affect importing LEF.

Clear Existing Design Data - deletes the current LEF database andreplaces it with the data entered on this form. The default is off.

Case Sensitive Names - makes a file unimportable to LEF, if its case(upper or lower case) is different than the one stated. For example, if the

file name stated is and this option was on, the file would not beimported. The default is off.

Variables Button - opens the Environment Variables form that containsvariables affecting the behavior of the Import LEF form.


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You will need import all your design files

and the tsmc25.v. Specify the top levelmodule name. Change the vdd! to VDD, gnd! to VSS


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Compiled Verilog Reference Libraries - specifies one

or more library names. These libraries containpreviously compiled Verilog modules that may bereferenced or used in another part of the givendesign. Note that each library name must be

separated from other library names by a space, asseen in the example.

The paths to these libraries must be specified in the

cds.lib file. If the cds.lib file exists in the directorywhere you started the software, the libraries definedin that cds.lib will be listed as default, else the samedefault as the output library is used.


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Placement and Routing

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