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AR# 8799

5.1i BitGen - What is the purpose of the "keep" option for the GSR, GWE, and GTS start-up cycles for Virtex?

Description

General Description:

The "Startup" options menu for Virtex and Spartan-II configuration includes a "keep" option for the GSR, GWE, and GTS start-up cycles. What is the purpose of the "keep" option?

Solution

The "keep" option retains the current state of the global signal. It is useful only in reconfiguration, specifically in partial reconfiguration.

AR# 8799
Date Created 08/21/2007
Last Updated 12/15/2012
Status Active
Type General Article