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AR# 25514

9.2i SP1 iMPACT - "ERROR:iMPACT - '1': Only one security protection mechanism is allowed at a time."

Description

When trying to program the XC2C32A, XC2C64A, XC2C128, XC2C256 devices, the following error occurs at the end of programming:

"'1': Setting security bits...

ERROR:iMPACT - '1':Only one security protection mechanism is allowed at a time, Please select one of 'OTP security', 'Bscan security' or 'Read protect'."

Solution

This a bug in the iMPACT tool that is currently under investigation.

You can work around this issue by reverting to 9.1i with any service pack. Also, if you are not using Read Protect, you can safely ignore the error message.

AR# 25514
Date Created 09/04/2007
Last Updated 12/15/2012
Status Active
Type General Article