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我想从斯巴达3A DSP csg484迁移到Spartan6 LX75T。 当然，引脚组织是不同的，我必须检查并移动（如果需要）引脚我的设计。 问题是，最后我做了一些检查，计算了我的设计中连接的I / O总数，以及期望找到DS160（表2第3页）中写入的最大用户数的未使用I / O 说明的I / O 296.奇怪的是我从第307页的UG385中的图表中计算出的数字我获得了更多的I / O，即302.我找不到任何更大的I / O数量的文档 超过296，所以我不知道我的USER I / O引脚放置在设计的最后是否正确。 有谁知道这个芯片的I / O正确数量是多少？ 非常感谢！ 以上来自于谷歌翻译 以下为原文 Hello everybody, I wanted to migrte from spartan 3A DSP csg484 to Spartan6 LX75T. of course the pin organization is different and I had to check and move (if necessary) pin by pin my design. The problem is that in the end I made some check counting the total number of I/O connected in my design and the number of the not used I/O expecting to find what in DS160 (table 2 page 3) is written as maximum USER I/O which is stated 296. Strangely I the number counted from the diagramn in UG385 on page 307 I obtain a bigger number of I/O, which is 302. I cannot find any othe rdocument which states a number of I/Os bigger than 296, so I do not know if my USER I/O pin placement will be correct in the end of the design or not. Has anybody idea which is the correct number of I/o of this chip? Thanks a lot! 
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6个回答
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器件XC6SLX75 CSG484最多包含328个用户I / O.
请参阅http://www.xilinx.com/publications/prod_mktg/Product_Selection_Guide.pdf的第7页。 但任何以后缀't'结尾的设备都表示设备中有MGT资源。 同样，XC6SLX45T也有4个GT。 GT引脚不被视为用户I / O，因为这些引脚是专用的，仅用于GT原语。 因此最大没有。 deviceXC6SLX45T-CSG484上的用户I / O小于328，即296.请参阅附加的代码片段以获取更多详细信息。 -------------------------------------------------- ---------------------------------------------请将帖子标记为 如果提供的信息能够回答您的问题/解决您的问题，请“接受为解决方案”。给予您认为有用的帖子。 在原帖中查看解决方案 以上来自于谷歌翻译 以下为原文 The device XC6SLX75 CSG484contains a maximum of 328 user I/Os. Please refer to page 7 of http://www.xilinx.com/publications/prod_mktg/Product_Selection_Guide.pdf But any device that ends with suffix 't' indicates that the device has MGT resources in it. Similarly, XC6SLX45T also has 4 GTs. The GT pins are not considered as user I/Os because these pins are dedicated and are meant to be used only with GT primitive. Therefore the maximum no. of user I/Os on the device XC6SLX45T- CSG484 is less than 328 which is 296. Please see the attached snippet for more details. ----------------------------------------------------------------------------------------------- Please mark the post as "Accept as solution" if the information provided answers your query/resolves your issue. Give Kudos to a post which you think is helpful.View solution in original post |
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嗨，
我建议将一个简单的设计添加到您需要的部分，并检查ISE综合/实施报告，它会给你正确的价值 -------------------------------------------------- -------------------------------------------请在发布前进行谷歌搜索， 您可能会找到相关信息。请留下帖子 - “接受为解决方案”，如果提供的信息有用且回复，请给予赞誉 以上来自于谷歌翻译 以下为原文 Hi, I would suggest to taraget a simple design to your required part and check the ISE synthesis/implementation report, it would give you correct value --------------------------------------------------------------------------------------------- Please do google search before posting, you may find relavant information. Mark the post - "Accept as solution" and give kudos if information provided is helpful and reply oriented |
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以下用户指南http://www.xilinx.com/support/documentation/user_guides/ug385.pdf提供了所有引脚详细信息。
_______________________________________________如果有助于解决您的查询，请将此帖子标记为“接受为解决方案”。 因此，它将有助于其他论坛用户直接参考答案。如果您认为该信息有用且面向答复，请给予此帖子称赞。 以上来自于谷歌翻译 以下为原文 The following user guide http://www.xilinx.com/support/documentation/user_guides/ug385.pdf gives all pinout details. ________________________________________________ Please mark this post as an "Accept as solution" in case if it helped to resolve your query. So that it will help to other forum users to directly refer to the answer. Give kudos to this post in case if you think the information is useful and reply oriented. |
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所以你说ug385（我已经提到并创造了误解）比数据表更可靠，即使数据表在几个月后被修改了？
以上来自于谷歌翻译 以下为原文 So you say the ug385(which I already mentioned and created the misunderstanding) is more reliable than the datasheet even if the datasheet ihas been revisioned months later? |
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从planahead检查以下快照，显示用户I / O的数量
以上来自于谷歌翻译 以下为原文 check the following snapshot from planahead showing the number of user I/O's |
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器件XC6SLX75 CSG484最多包含328个用户I / O.
请参阅http://www.xilinx.com/publications/prod_mktg/Product_Selection_Guide.pdf的第7页。 但任何以后缀't'结尾的设备都表示设备中有MGT资源。 同样，XC6SLX45T也有4个GT。 GT引脚不被视为用户I / O，因为这些引脚是专用的，仅用于GT原语。 因此最大没有。 deviceXC6SLX45T-CSG484上的用户I / O小于328，即296.请参阅附加的代码片段以获取更多详细信息。 -------------------------------------------------- ---------------------------------------------请将帖子标记为 如果提供的信息能够回答您的问题/解决您的问题，请“接受为解决方案”。给予您认为有用的帖子。 以上来自于谷歌翻译 以下为原文 The device XC6SLX75 CSG484contains a maximum of 328 user I/Os. Please refer to page 7 of http://www.xilinx.com/publications/prod_mktg/Product_Selection_Guide.pdf But any device that ends with suffix 't' indicates that the device has MGT resources in it. Similarly, XC6SLX45T also has 4 GTs. The GT pins are not considered as user I/Os because these pins are dedicated and are meant to be used only with GT primitive. Therefore the maximum no. of user I/Os on the device XC6SLX45T- CSG484 is less than 328 which is 296. Please see the attached snippet for more details. ----------------------------------------------------------------------------------------------- Please mark the post as "Accept as solution" if the information provided answers your query/resolves your issue. Give Kudos to a post which you think is helpful. |
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