Bitfile for 7c80

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12 Jun 2024 21:33 #302908 by strahlensauger
Hello,
I tried to create a bitfile for my 7c80 using the default file and adding 2 Encoders to the pins on P1.
Using ISE from Xilinx version 14.7 it throws a lot of warnings, even if I try to compile the provided default file e.g.
PIN_7C80D_54.vhd
For playing around I would like to connect the encoders directly to P1, not using muxed signals which come with the 
PIN_7C80_7I85D_54.vhd
Bitfile.
Maybe someone could point me in the right direction using Xilinx ISE.
I added the ending to txt to attach the files... 
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12 Jun 2024 21:53 #302909 by PCW
Replied by PCW on topic Bitfile for 7c80
Most of the warnings are harmless.
As long as ISE makes a bitfile that meets
timing, you should be OK.

Just make sure you are using the 7C80 project
so the correct .ucf file is included, otherwise you can
brick the card...

 
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13 Jun 2024 11:28 #302928 by strahlensauger
Replied by strahlensauger on topic Bitfile for 7c80
I created the bitfile.
I thought I would be safe to copy it to the fallback and reload the fallback and in case it does not work I
could safely reboot the "normal" memory and no harm would be done to the card.
But as you told me if I did chose the wrong project I could brick the card and because the card is not the cheapest,
may I kindly ask you if it would be possible for you to check the bitfile for the 7c80 spi connected to rpi4?
I tared it for uploading...
 
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13 Jun 2024 12:13 #302931 by PCW
Replied by PCW on topic Bitfile for 7c80
its safe to load the bitfile into the fallback location then
load it with  --reload --fallback

If the new bitfile has an issue, a power cycle will recover.

 
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