Stats

  • Replies 2
  • Subscribers 160
  • Views 10803
  • Members are here 0
More Content

Unable to route

LSAUGE

Hello,

I have a rather big issue when I want to connect the components of my pcb. I suspect however that it is simply because I do not know how to use the software well yet..

First, I created two custom package symbols with PCB editor.

Second, I created a board (.brd) file in which I placed my two customs package symbols. The problem is that I am not able to connect the different pins of my packages. When I try to use the "add connect" feature, I begin the trace on one pin but I cannot connect anywhere else, I always have a DRC error saying that I am too close to a pad (which is what I want in order to connect).

Is it because I placed the package directly without begining by a schematic in capture ? Is the schematic mandatory ?

-----

I also have another question concerning components placements. When I place a component, it automatically adds a boundary in the Place_Bound_Top layer. The problem is that I want to place a component inside another one. To be more precise, I have a ring of plated through hole and inside that ring I would like to place another component. And when I place the second component, a DRC error shows up. Is there a way to disable the automatic boundary when placing components ?

-----

Last question : is there a way to modify the package symbol and then update the brd file or do I have do delete and replace the modified component everytime ?

Thanks a lot in advance !

Loïc

Parents
  • steve

    Yes you should have a circuit to make the connectivity. There is a command under the Logic menu called Net Logic which does allow to to make connections but this command is only available in Allegro PCB Designer licenses, not OrCAD branded licenses so if you have the latter draw a circuit first. By default a Place Bound is always added, you can either adjust the height property of the boundary or waive the DRC. Yes you can update symbols, Make the required changes then use Place - Update Symbols to refresh the board from the library location,

Reply
  • steve

    Yes you should have a circuit to make the connectivity. There is a command under the Logic menu called Net Logic which does allow to to make connections but this command is only available in Allegro PCB Designer licenses, not OrCAD branded licenses so if you have the latter draw a circuit first. By default a Place Bound is always added, you can either adjust the height property of the boundary or waive the DRC. Yes you can update symbols, Make the required changes then use Place - Update Symbols to refresh the board from the library location,

Children
  • LSAUGE
    in reply to steve

    Thank you for your answers, I found what I was looking for !

Cadence Guidelines

Community Guidelines

The Cadence Design Communities support Cadence users and technologists interacting to exchange ideas, news, technical information, and best practices to solve problems and get the most from Cadence technology. The community is open to everyone, and to provide the most value, we require participants to follow our Community Guidelines that facilitate a quality exchange of ideas and information. By accessing, contributing, using or downloading any materials from the site, you agree to be bound by the full Community Guidelines.