

ip upgradeを実行後generate bitstreamをすると以下のエラーがおきました。

[code]

    [Place 30-415] IO Placement failed due to overutilization. This design contains 89 I/O ports
     while the target  device: xczu3eg package: sbva484, contains only 70 available user I/O. The target device has 297 usable I/O pins of which 227 are already occupied by user-locked I/Os.
     To rectify this issue:
     1. Ensure you are targeting the correct device and package.  Select a larger device or different package if necessary.
     2. Check the top-level ports of the design to ensure the correct number of ports are specified.
     3. Consider design changes to reduce the number of I/Os necessary.
    
[/code]

upgrade前にはエラーは起こりませんでした。また、blockdesignはこちらです。[![画像の説明をここに入力](https://i.stack.imgur.com/fYTAD.png)](https://i.stack.imgur.com/fYTAD.png)

更新したipはこちらになります。  
[![画像の説明をここに入力](https://i.stack.imgur.com/jdaHO.png)](https://i.stack.imgur.com/jdaHO.png)


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2019-09-26T05:36:52.433
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2019-09-26T07:17:41.967
2019-09-26T07:17:41.967
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question
fpga vivado
vivado2018.3でupgrade ipをしたらエラーが起きた。