ASIC laboratory Heidelberg

Content

Tutorials
Cadence
Verilog Example
Verilog XL
Synopsys
Silicon Ensemble

Set Up
Starting GUI
Setting Variables
Import Verilog
Import Power Definition
Floorplan
Place IO
Place Power&Cell
Connect Ring
Route
Batch mode

Dracula, Calibre, ...

Initialize the floorplan

To initialize the floorplan we must go to Floorplan -> Initialize Floorplan.... With this dialog you can play. This means you can vary the core area parameter, the io to core distance and the die size constraint. With calculate you can see the effects of various changes.

Initialize Floorplan

The values in the picture are good. if the floorplan is initialized, we have to set four grid variables. This can be happen via the command line in the Silicon Ensemble GUI or by Edit -> Environment.

SET VAR SNAPGRID.ROW.SPACE.X 50 ; SET VAR SNAPGRID.ROW.SPACE.Y 50 ; SET VAR PLAN.IOROW.SNAPGRID.X 10 ; SET VAR PLAN.IOROW.SNAPGRID.Y 10 ;

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Last change: 8 Jun 2001