Allegro System Capture App Notes

Packaging Options

Issue link: https://resources.pcb.cadence.com/i/1180246

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Packaging Options in Allegro System Capture Learn more at Cadence Support Portal - https://support.cadence.com © 2019 Cadence Design Systems, Inc. All rights reserved w orldw ide. Page 11 3. When REFDES_ALPHA_NUM 'NONE' In this case, the RefDes that are assigned have only numeric values. Note: The value of this directive can be NONE only when in the packaging options we select the parameter as Offset. REFDES_PAGE_PADDING This directive provides support for zero padding in page numbers. It is used if '$Page' is used in REF_DES_PATTERN. This directive ensures that the RefDes length is the same across all pages. Syntax REFDES_PAGE_PADDING Where, is the padding value for the page number. Example REFDES_PAGE_PADDING '3' Consider REF_DES_PATTERN '($PHYS_DES_PREFIX)($PAGE)[0-9](00)'

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