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AR# 35749

Spartan-3E - Recommendations during in-circuit testing

Description

How can I make sure the I/Os are tri-stated and do not glitch while performing in-circuit testing with a Spartan-3E device?

Solution

Holding PROG_B Low guarantees that the I/Osare held in tri-state and can be held Low for the duration of the in-circuit testing.
AR# 35749
Date Created 05/19/2010
Last Updated 02/20/2013
Status Active
Type General Article
Devices
  • Spartan-3E