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AR# 3126

M1.4 CPLD Hitop - A fitter crash may result from properties applied to wrong objects

Description

Keywords: crash, fitter, properties, attribute, collapse, init,
keep, noreduce, pwr_mode, wireand

Urgency: standard

General Description:
The CPLD fitter may crash due to design properties being assigned
to the wrong type of objects.

解决方案

If the CPLD fitter program hitop crashes, check to see if there is
any I/O buffer, pad or pad-net in your design that has a property
attached to it that is intended only for macrocell-type objects.

The macrocell-only type properties are COLLAPSE, INIT, KEEP,
NOREDUCE, PWR_MODE and WIREAND. Using any of these properties on
an I/O object should normally produce an error or warning message.

Remove any such properties from the I/O objects and attach them to
the applicable macrocell objects (logic or flip-flop components),
and rerun the fitter.
AR# 3126
创建日期 08/31/2007
Last Updated 10/06/2008
状态 Archive
Type 综合文章