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Observer
Observer
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Registered: ‎02-12-2014

GLUTMASK_B and MSK file

Based on UG470, there appears to be two ways to "mask" readback data for verification.

 

1. Use a MSK or MSD file where a '1' in the file corresponds to a bitstream location that is a don't care.

 

2. Enable CTL0.GLUTMASK_B which masks changeable memory cell readback values, such as distributed RAM or SRL.

 

My question is, are these two methods interchangeable? Does the GLUTMASK signal mask out every bit that is a '1' in the MSK or MSD files?

 

Or would both be necessary to verify readback data with total accuracy?

 

Please let me know if I can better word my question.

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