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AR# 2619

M1.37 ngdbuild - ERROR:bascp - Could not find NET 'NET entry is '%s'

説明

Keywords: ucf, ngdbuild, pcf

Urgency: Standard

Reference #: 18723, 100076

General Description:

A problem exists with I/O locations embedded into multiple
levels of hierarchy. Ngdbuild reports an error on all signals
that are embedded in 3 levels of hierarchy. Ngdbuild does handle
signal names that are embedded in 1 to 2 levels. However,
fails with 3 or more.

ソリューション

The workaround is to list the offending locations from the
.ucf file into the .pcf file after the "SCHEMATIC END ;"
statement. For example, the UCF file syntax:

NET "CPORT_5/CYCLOG2/IN_WR" LOC = "P173";

In the .pcf file, pinout constraints are written after the
"SCHMATIC END ;" statement to preserve pinout for future
design iterations. The PCF file syntax for our example:

COMP "CPORT_5/CYCLOG2/IN_WR" LOCATE = SITE "P173" ;
AR# 2619
作成日 08/31/2007
最終更新日 03/29/2000
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