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mirinchina
Visitor
Visitor
2,934 Views
Registered: ‎12-15-2015

Timing Constraints: OFFSET for bi-directional Port (inout)

Hi Members,
I want to improve my UCF by adding timing constraints (OFFSET IN & OFFSET OUT). Actually in my TOP level module there is bi-directional bus. How i can constraints for my data bus type as 'inout' .

- OFFSET IN for input ports
- OFFSET OUT for output ports
* Syntax is cleared

I am confuse how to deal with bi-directional bus.

 

Regards

-----------------

N. Mir

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1 Reply
vemulad
Xilinx Employee
Xilinx Employee
2,930 Views
Registered: ‎09-20-2012

Hi @mirinchina

 

You need to write both OFFSET IN and OFFSET OUT constraints for bidirectional ports.

Check this AR http://www.xilinx.com/support/answers/36414.html

 

Thanks,

Deepika.

Thanks,
Deepika.
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