AR# 31884

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11.1 EDK - What are the different implementation options between an XPS flow versus an ISE flow?

Description

When I have an EDK project instantiated in an ISE project, what different implementation options will be used?

Solution

The notable differences between EDK and ISE are:

EDK: map -pr b -timing; par -ol high

ISE: map -pr off; par -ol std

To ensure that the EDK cores perform as intended when inside of an ISE design, change the ISE settings to match the EDK settings that are listed above.

NOTE: The -timing switch is on by default for Virtex-5, so there is no need to add this switch when targeting Virtex-5 devices.

AR# 31884
Date 12/15/2012
Status Active
Type General Article
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