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Can't place multiple pins assigned to pin location Pin_101
错误：Error (176310): Can't place multiple pins assigned to pin location Pin_101 (IOPAD_X34_Y18_N21) Info (176311): Pin addr[8] is ass...
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
问题描述：Cyclone IV EP4CE6E22C8NQuartus II编译......
Quartus Error: Signal "XX" drives an input pin”
问题：Quartus II编译提示：“Error: Signal "B" drives an input pin” ......
Quartus II：从verilog代码生成原理图框图（bsf文件）
首先说下，为什么用这个功能。个人习惯顶层用原理图方式绘制，底层模块用verilog代码实现，这样的话在顶层原理图里可以清晰的知道要干啥，比代码更直观。方法：......
Quartus II Warning: Found 6 node(s) in clock paths which may be acting as ripple and/or gated clocks
Quartus II编译某代码之后，老是提示如下warning：Warning: Found 6 node(s) in clock paths which may be acting as ......
QuartusII编译工程后显示资源消耗为零的原因
参考资料：http://www.eefocus.com/li_mengxiang/blog/11-04/208828_3da3b.html......
Quartus II 破解器 在win7无法运行，停止工作
参考资料：http://zhidao.baidu.com/link?url=6-4yMJ7njWfCK7grjNaR-EspkM9MqtpoFB5HYFa5yJK7f4sbLrMMXSd8kruGlZnmLZtP9AYQFvD70hEmR8ZV3K......