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How to force annotate to increment only the two last numbers of a component

Daniel Tormo

Hello,

I am using Allegro Design Entry HDL version 17.2-2016.

We have a pretty big design (42 pages), and we have a company directive that says to set the numbering of each component to 4 numbers, the first two numbers corresponding to the page number.

For example, all resistors of page 6 will start as R06xx, being xx the number of resistor on that page. All capacitors presents in page 15 will start as C15xx, being xx the number of the capacitor on that page.

I am using scripts to reset the LOCATION property to $LOCATION=R? in order to restart the resistor naming (auto property a $LOCATION=R?).

However, is there a way of setting this to, for instance, $LOCATION=R06xx in order to tell Allegro to set only the last two numbers of the component?

Best regards,

Daniel Tormo

Parents
  • Daniel Tormo

    Hello,

    does anyone know if this is possible? Some colleagues told me it is, but they do not know how.

    Thank you,

    Daniel

Reply
  • Daniel Tormo

    Hello,

    does anyone know if this is possible? Some colleagues told me it is, but they do not know how.

    Thank you,

    Daniel

Children
  • DavidJHutchins
    in reply to Daniel Tormo

    I don't believe the Pacakger-XL allows anything like what you want :(

    I previously developed a tool to do something like this that would generate an was-is list of refdes that could be imported into layout using the 'reftxt' command, which could then be back-annotated to the schematic

  • oldmouldy
    in reply to Daniel Tormo

    Take a look at the Packager-XL Reference, available from Cadence Help, or from the Cadence Support site. There is a Packager-XL Directive called REF_DES_PATTERN (also a property) that looks like it can get this job done, in so far as you can control the number, likely the minimum number, of RefDes digits and include ($PAGE) in the Reference. The Cadence Support site might be a source of more information on defining the pattern.

  • oldmouldy
    in reply to Daniel Tormo

    This looks like it is what you need:

    REF_DES_PATTERN ($PHYS_DES_PREFIX)($PAGE)(0-9)[01]
    REFDES_PAGENUM_PADDING '2'

    Pads the Page Number to 2 and starts numbering at 01 so, should be R0101, R0102 and so on for Page1; R0201, R0202 and so on for Page2.

    From the Allegro Front-End CPM Directive Reference Guide 17.2-2016, check that for any additional settings that you might need.

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