添加约束文件,是将FPGA的引脚和相应的电平信息添加到工程中去。
生产bit文件,是为了在线调试。
![](https://img.haomeiwen.com/i17129331/0a910a573cef0040.png)
点击PROJECT MANAGER——IMPLEMENTATION——Run Implementation,
![](https://img.haomeiwen.com/i17129331/12ce0db4ef2eef22.png)
点击OK,
![](https://img.haomeiwen.com/i17129331/4e1dfd45847c8aae.png)
点击OK,等待N分钟后,
![](https://img.haomeiwen.com/i17129331/24588289b1e23992.png)
点击OK,
![](https://img.haomeiwen.com/i17129331/b70606db5b5b10a3.png)
点击Windows下的I/O Ports,
![](https://img.haomeiwen.com/i17129331/3778a51794467bf6.png)
在I/O Ports中选择各个Ports对应的引脚号和电平,
![](https://img.haomeiwen.com/i17129331/18e16fe6692b5448.png)
点击PROJECT MANAGER——PROGRAM AND DEBUG——Generate Bitstream,
![](https://img.haomeiwen.com/i17129331/8246451d54fdeefd.png)
点击Save,
![](https://img.haomeiwen.com/i17129331/3152f376712dec54.png)
点击OK,
![](https://img.haomeiwen.com/i17129331/6bd7adc8aa89c3c4.png)
在File name中填写约束文件名称,点击OK,
![](https://img.haomeiwen.com/i17129331/855e7732700e0080.png)
点击Yes,
![](https://img.haomeiwen.com/i17129331/5fca285681446f5a.png)
点击OK,
![](https://img.haomeiwen.com/i17129331/453b423aebd1b9e8.png)
点击OK,产生Bit文件。
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