请问什么时候是Tpor的最小值或最大值？

lwjiee写道：
亲爱的大家，
当我使用Spartan6时，我看到Tpor介于5到40毫秒之间。
问题是，在这种情况下，Tpor是5ms，在这种情况下Tpor是大约40ms？
感谢您的时间！
总是假设最坏的情况。
----------------------------是的，我这样做是为了谋生。



以下为原文

lwjiee wrote:
Dear all, 
When I use Spartan6, I see Tpor is between 5 to 40 ms.
The question is, in which case Tpor is 5ms,  and in which case Tpor is about 40ms?
Thank you for your time! 

Always assume worst case.
----------------------------Yes, I do this for a living.

bassman59写道：
lwjiee写道：
亲爱的大家，
当我使用Spartan6时，我看到Tpor介于5到40毫秒之间。
问题是，在这种情况下，Tpor是5ms，在这种情况下Tpor是大约40ms？
感谢您的时间！
总是假设最坏的情况。
但是，5ms或40ms是否更差是留给板上设计师的练习，其上有FPGA ...
------------------------------------------“如果它不起作用
模拟，它不会在板上工作。“



以下为原文

bassman59 wrote:

lwjiee wrote:
Dear all, 
When I use Spartan6, I see Tpor is between 5 to 40 ms.
The question is, in which case Tpor is 5ms,  and in which case Tpor is about 40ms?
Thank you for your time! 

Always assume worst case.

But whether 5ms or 40ms is worse is left as an exercise for the designer of the board that has the FPGA on it...
 

------------------------------------------
"If it don't work in simulation, it won't work on the board."

对我来说，5ms是最糟糕的情况。
谢谢！



以下为原文

For me, the 5ms is the worst case.
Thank you!

您可能会在电源监控器的市场中推迟FPGA配置，直到电路板上的其他组件“旋转”并准备就绪。
我已将以下内容添加到新用户论坛README线程中的迷你FAQ帖子中。
FPGA在上电时不配置SPI  - 配置需要延迟链路＃1链路＃2
如果有人想在迷你常见问题解答中提名更好的链接，请告诉我......（谢谢！）
- 鲍勃埃尔金德
签名：新手的自述文件在这里：http：//forums.xilinx.com/t5/New-Users-Forum/README-first-Help-for-new-users/td-p/219369总结：1。
阅读手册或用户指南。
你读过手册了吗？
你能找到手册吗？2。
搜索论坛（并搜索网页）以寻找类似的主题。
不要在多个论坛上发布相同的问题。
不要在别人的主题上发布新主题或问题，开始新的主题！5。
学生：复制代码与学习设计不同.6“它不起作用”不是一个可以回答的问题。
提供有用的详细信息（请与网页，数据表链接）.7。
您的代码中的评论不需要支付额外费用。
我没有支付论坛帖子的费用。
如果我写一篇好文章，那么我一无所获。



以下为原文

You may be in the market for a power supply supervisor, to delay FPGA configuration until some other component on the board is 'spun up' and ready.  I've added the following to the mini-FAQ post in the New User Forum README thread.
 
FPGA doesn't configure from SPI on power up - configuration needs to be delayed link#1  link#2
 
If anyone would like to nominate better threads for linking in the mini-FAQ, please let me know...  (and thanks!)
 
-- Bob Elkind
SIGNATURE:
README for newbies is here: http://forums.xilinx.com/t5/New-Users-Forum/README-first-Help-for-new-users/td-p/219369

Summary:
1. Read the manual or user guide.  Have you read the manual? Can you find the manual?
2. Search the forums (and search the web) for similar topics.
3. Do not post the same question on multiple forums.
4. Do not post a new topic or question on someone else's thread, start a new thread!
5. Students: Copying code is not the same as learning to design.
6 "It does not work" is not a question which can be answered. Provide useful details (with webpage, datasheet links, please).
7. You are not charged extra fees for comments in your code.
8. I am not paid for forum posts.  If I write a good post, then I have been good for nothing.