Warning: xx pins must meet Altera requirements for 3.3-, 3.0-, and 2.5-V interfaces. For more information, refer to AN 447: Interfacing Cyclone IV E Devices with 3.3/3.0/2.5-V LVTTL/LVCMOS I/O Systems

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本文作者:xjtudll  发布于:2019-1-2  分类:技术心得  点击:


问题描述:

Cyclone IV EP4CE6E22C8N

Quartus II编译

每次编译完,都有个warning:

64827058-8d16-4547-aa1f-2afd6338239f

Warning: xx pins must meet Altera requirements for 3.3-, 3.0-, and 2.5-V interfaces. For more information, refer to AN 447: Interfacing Cyclone IV E Devices with 3.3/3.0/2.5-V LVTTL/LVCMOS I/O Systems

处理办法:

这个warning是Quartus II用来提醒用户的,没法消除,告诉用户要注意引脚而已。

参考资料:

https://www.intel.com/content/www/us/en/programmable/support/support-resources/knowledge-base/solutions/rd03132013_385.html

https://forums.intel.com/s/question/0D50P00003yyL10SAE/pins-must-meet-altera-requirements-for-33-30-and-25v-interfaces-what-to-do?language=en_US

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