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    How to write a top-level DEF file/hierarchical DEF files

    Hi, I'm a complete beginner in electronic design and am trying to understand the LEF and DEF formats for a software project.

    I have a collection of DEF files containing designs for lower-level component clusters, with their associated LEF files. How can I represent these in a top-level DEF file, and is there some way to define their hierarchy? Pointing me to the relevant syntax would be extremely helpful.

    Thanks!

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  2. #2
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    Re: How to write a top-level DEF file/hierarchical DEF files

    Quote Originally Posted by rhilai View Post
    Hi, I'm a complete beginner in electronic design and am trying to understand the LEF and DEF formats for a software project.

    I have a collection of DEF files containing designs for lower-level component clusters, with their associated LEF files. How can I represent these in a top-level DEF file, and is there some way to define their hierarchy? Pointing me to the relevant syntax would be extremely helpful.

    Thanks!
    lef/def reference manual (and a parser) are available from si2.org
    Really, I am not Sam.



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