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Observer nilnullzip
Observer
363 Views
Registered: ‎09-19-2018

How many SLL? Where are the vias?

Hi

I'm working with a VU9P and have questions about SLLs:

1) The reports indicate 17,280 SLLs. Is that split up? So only 8,640 between SLR0 and SLR1, and then 8,640 between SLR1 and SLR2? Or are there 17,280 SLLs that can be used arbitrarily between any SLRs as long as the total is 17,280?

2) Where are the vias to drop into the SLLs? Are those the LAGUNA sites? I am transmitting combinatorial signals, not registered signals on the SLLs.

Thanks!

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2 Replies
Observer nilnullzip
Observer
300 Views
Registered: ‎09-19-2018

Re: How many SLL? Where are the vias?

So the table below shows the number of SLL between SLR1 and SLR2 as 8520. And it indicates that is 49.31% of the SLLs. Is that 49.31% of the SLL available between SLR1 and SLR2? Or 49.31% of all the SLL between all SLRs combined?

 

1. SLR Connectivity and Clocking Utilization
--------------------------------------------

+----------+-----------------+---------+-----------------+--------------+-------+-------+
|          | Total SLLs Used | (%)SLLs | BUFGs/BUFGCTRLs | BUFH/BUFHCEs | BUFRs | MMCMs |
+----------+-----------------+---------+-----------------+--------------+-------+-------+
| SLR2     |                 |         |               0 |            0 |     0 |     0 |
| ||||||-> |            8520 |   49.31 |                 |              |       |       |
| SLR1     |                 |         |              40 |            0 |     0 |     4 |
| ||||||-> |            6121 |   35.42 |                 |              |       |       |
| SLR0     |                 |         |               4 |            0 |     0 |     0 |
+----------+-----------------+---------+-----------------+--------------+-------+-------+
| Total    |           14641 |         |              44 |            0 |     0 |     4 |

 

 

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Xilinx Employee
Xilinx Employee
280 Views
Registered: ‎05-08-2012

Re: How many SLL? Where are the vias?

Hi @nilnullzip.

The percentage value would just be the number of SLLs for a specific crossing, so between SLR1 and SLR2. Hope this helps.


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