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278 Views
Registered: ‎06-12-2019

ERROR [30-487]

hI ,
    I am using spartan 7 xc7s50fgga484-1 (active) , I am getting below error at implementaion time.
 
[Place 30-487] The packing of instances into the device could not be obeyed. There are a total of 8150 slices in the device, of which 2675 slices are available, however, the unplaced instances require 2773 slices. Please analyze your design to determine if the number of LUTs, FFs, and/or control sets can be reduced.
Number of control sets and instances constrained to the design
 Control sets: 1961
 Luts: 27021 (combined) 35257 (total), available capacity: 32600
 Flip flops: 20695, available capacity: 65200
 NOTE: each slice can only accommodate 1 unique control set so FFs cannot be packed to fully fill every slice
 
Thanks and Regards
Ankit Rathore
 
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5 Replies
Moderator
Moderator
273 Views
Registered: ‎11-04-2010

Re: ERROR [30-487]

Hi, ankit.rathore@motherson-innovations.com ,

1. Have you tried to implement the design in the latest version of Vivado?

2. What's the utilization of the design after opt_design?

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266 Views
Registered: ‎06-12-2019

Re: ERROR [30-487]

Hi Hongh,

             I am using vivado 2019.1 and after imlementaion utilization report is fine.

Thanks and Regards

Ankit Rathore

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Moderator
Moderator
264 Views
Registered: ‎11-04-2010

Re: ERROR [30-487]

Hi, ankit.rathore@motherson-innovations.com ,

Could you share your opt.dcp?

If possible, I'll send an Ezmove link to you to upload the design.

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238 Views
Registered: ‎06-12-2019

Re: ERROR [30-487]

Sorry my company don't allow me .

Thanks and Regards

Ankit

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Moderator
Moderator
205 Views
Registered: ‎11-04-2010

Re: ERROR [30-487]

Hi, ankit.rathore@motherson-innovations.com ,

1. Is there any pblock in your design?

2. Could you try the other different placer directives?

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