The BUILD_STACKUP_FROM_FILE MACRO Provides an interface to the powerful new dal Stackup Tool. It points to the Stackup Spreadsheet that dal Stackup will read and Tells the dal constraint tool to read in the stackup spreadsheet
Click here to download the supporting dal Tools User Guide for the stackup tool: Stackup.pdf
**This MACRO has not been implemented, in dal constraint, the manual process described in the Stackup.pdf document is used for now.
Example:
BUILD_STACKUP_FROM_FILE MACRO
Syntax:
BUILD_STACKUP_FROM_FILE | NAME=> | BOARD_STACKUP
Attributes:
- STACKUP_FILE_NAME
- XML_FORMAT
- IMPEDANCE_COL
STACKUP_FILE_NAME Attribute
This points to the File that dal stackup will read to import the stackup data.
XML_FORMAT Attribute
Valid Values
- TTM
- GCE
- STD
This is used to tell the dal stackup tool which format the STACKUP_FILE_NAME uses to provide vendor stackup data
TTM and GCE are 2 manufacturers who provide stackup data in a consistent spreadsheet format which dal stackup can extract data from
STDdal stackup can export the current stackup rules using its own (STD) spreadsheet format and can also import using what it exports.
IMPEDANCE_COL Attribute
This is a reserved attribute
dal constraints may need to use this attribute to tell the stackup tool what columns to use to extract the IMPEDANCE values from the stackup file
Valid Value:
- CALCULATED