[PCB_FORUM] Re: package order

Bill, thank you very much. It sounds extremely useful.

I will try the subdesigns out and will come back to you if I don't know how
to go on.

Regards,
Carlos Belío
Telnet RI



>>-----Mensaje original-----
>>De: icu-pcb-forum-bounce@xxxxxxxxxxxxx [mailto:icu-pcb-forum-
>>bounce@xxxxxxxxxxxxx] En nombre de Bill O'Leary
>>Enviado el: sábado, 24 de marzo de 2007 16:43
>>Para: icu-pcb-forum@xxxxxxxxxxxxx
>>Asunto: [PCB_FORUM] Re: package order
>>
>>I didn't see you get an answer to this
>>
>>The packager initially assigns refdes using the xy coordinates of the part
>>on the page. (instances are assigned in the order you placed them)
>>
>>The module order controls how the schematic prints, I'm pretty sure it has
>>nothing to do with packaging.
>>
>>Carlos,
>>Did you receive this answer?
>>
>>I think the packager goes through the top level schematic, and then drops
>>into each hierarchical block as it finds it in the same XY order.
>>
>>If you want to control refdes of hierarchy, you need to use sub-designs,
>>and
>>The subdesignsuffix property.
>>
>>Using subdesigns, each subblock is packaged on its own, so it starts at
>>R1,
>>C1, U1.... and then when the design is put together by the packager, it
>>appends an _XX (where XX is the subdesign suffix property you added to the
>>block symbol (and the underscore is controlled by a subdesign separator
>>property)
>>
>>You can go as many levels deep as you want using this, so you can end up
>>With a refdes like R_CA1 U_CA1, R_CB1, U_CB1, R_CA2, U_CA2....
>>
>>What you have to realize if you use this is that you need to package each
>>Sub-block separately, and each sublevel has to know what blocks it will be
>>using as a subdesign (there are FORCE_SUBDESIGN and GEN_SUBDESIGN
>>properties
>>which need to be used while packaging (these are in the advanced options
>>tab
>>when you package))
>>
>>I found these very useful (and used it across a series of complex
>>designs),
>>but once I had more than 2 levels deep in a schematic, I had to write my
>>own
>>tool around the packager to keep my sanity.
>>
>>The nice thing about the subdesigns is you can use a block in multiple
>>designs and they will all have the same refdes!
>>
>>
>>Hope this helps,
>>
>>Bill O'Leary
>>
>>CadEnhance LLC.
>>

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