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- All symbols must have a device= attribute.
- All pins must have the pin#=# attribute. This attribute
will eventually change form, but for now it is required as pin#=#
- All pin should also have a pinlabel= attribute.
- For symbols which are slotted you also need the slot=
attribute, for each slot a slot#=# attribute, and the numslots=# attribute. Slotting will also change in the near
future, but for now it should be specified as above.
- For any power/gnd/arbitrary you need to put net=
attributes inside the symbol. See the netattrib.txt document for
more info.
- You can supply default values for various parameters (this is
dependent on which backend you use) by taking advantage of the
attribute "promotion" mechanism. See below for more info as well as
the gschem documentation.
- For symbols which you want the netlister to completely ignore
use the graphical=1 attribute
- For more tips on symbols, please see the symbol creation document.
Next: Schematic requirements
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Stuart Brorson
2005-03-15