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lines changed Original file line number Diff line number Diff line change @@ -242,6 +242,10 @@ entered via the site port corresponding to the site pin. The first site wire
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in the site will be the site wire attached to the output BEL pin of the site
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port. From there site routing continues per above.
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+ ![ Wire and nodes] ( https://symbiflow.readthedocs.io/projects/arch-defs/en/latest/_images/rrgraph-wire.svg )
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+ ### Use of site PIPs
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It is important to note that site PIPs can only be used to access placed cells
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inside that site. Site PIPs cannot be used as general route-thrus, to route
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from site input to output. General route-thrus across entire sites should use
@@ -255,7 +259,9 @@ an associated flipflop input inside the site. The tile PIP would be used to
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route across the entire site as part of the general, inter-tile, routing
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problem.
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- ![ Wire and nodes] ( https://symbiflow.readthedocs.io/projects/arch-defs/en/latest/_images/rrgraph-wire.svg )
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+ A diagram illustrating the legal and illegal uses is shown below.
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+ ![ Site PIP usage] ( site_pip_usage.svg )
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### Tile Types and site types
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