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4.2.1. Requirements for the default EASY system for synthesis

The system must have access to the standard Synopsys synthesis tools version 1998.02 or later. To meet this prerequisite, carry out the following checks and modifications:

  1. Ensure that the system directory structure is the same as in the EASY_System directory so that the synthesis script files can find the correct HDL source files.

  2. Ensure that a Synopsys format .db cell library is available from the synopsys/cell_lib directory.

  3. Update the library name and search path and choose the HDL type in the scr_common/setup.scr file.

  4. Change the environmental constraints in the scr_common/global.scr file:

    • change the wire load from ForQA to an acceptable load in the Operating Conditions section

    • replace the d-type driving cell, q1dffd1, with your library equivalent

    • replace the inverter input pin load, q1invd0/i, with your library equivalent.

When the system is set up correctly, you can synthesize the EASY modules.

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