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Registered: ‎09-26-2018

Spratan-6 ICAP Reset Problem

Hello

 

We had a problem with Spartan-6 Icap. We use a ICAP instance in our design to reset the board after update the Flash.

 

When we change "map options" or change a little in design, sometimes ICAP does not work correctly. We think that ICAP need some timing constraints, But we do not know them.

 

What can we do for ICAP stability?  we want that it works anytime after synthesize.

 

Does our design need timing constraints?

 

Thanks

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Xilinx Employee
Xilinx Employee
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Registered: ‎06-05-2013

Re: Spratan-6 ICAP Reset Problem

Can you share what all MAP options you change?

There is a Spartan 6 reference design which can be referred here.
https://www.xilinx.com/member/forms/download/design-license.html?cid=181989&filename=sp605_multiboot_pdf_xtp059_13.4_c.pdf

https://www.xilinx.com/member/forms/download/design-license.html?cid=181986&filename=sp605_multiboot_rdf0028_13.4_c.zip

You can also compare the MAP results with the later run where you change the options. If there are any warnings or optimizations in the design.

Thanks
Harshit
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