verilog digital stopwatch to achieve accurate to 10ms

FPGA（赛灵思）试验箱 实验程序 有Audio,Buzzer,key,ledarray,ledseg.......(FPGA（赛灵思）试验箱 实验程序Audio,Buzzer,key,ledarray,ledseg)

友晶 altera DE2开发板中文用户手册，对DE2开发板的完整介绍。(DE2 development board Chinese user manual, a complete description of the DE2 board.)

获取主机CPU信息，VS2008编译通过，含详细说明(Get information on the host CPU, VS2008 compiler, containing detailed instructions)

硬件描述语言相关芯片程序源码Chip hardware description language-related program source code(Chip hardware description language-related program source Chip hardware description language-related program source code)

1．初始状态为4个方向的红灯全亮，时间1秒。 2．东、西方向绿灯亮，南、北方向红灯亮。东、西方向通车，时间30秒。 3．东、西方向黄灯闪烁，南、北方向红灯亮。时间2秒。 4．东、西方向红灯亮，南、北方向绿灯亮。南、北方向通车，时间15秒。 5．东、西方向红灯亮，南、北方向黄灯闪烁。时间2秒。 6．返回2，继续运行。 -1. Initial state for four whole direction of the red lights lit up, a second time. 2. East and West to the green, in the south, north to the red light. West and the East to open in time for 30 seconds. 3. East and West to the blinking yellow light, in the south, north to the red light. Time 2 seconds. 4. East and West to the red light, in the south, north to the green. South and North to the opening time of 15 seconds. 5. East and West to the red light, in the south, north to the flashing yellow light. Time 2 seconds. 6. Return 2, continued to operate.

r80515源代码，包含说明文档。FPGA验证通过(r80515 source code, including documentation. Verified by FPGA)

vc707 board ucf xdc files

固定的 128 点复杂 FFT 或 64/8/16 点

说明：  This is code of UVM CALLBACK function.

说明：  系统介绍了数字开发系统平台FPGA设计中的部分技巧 对于FPGA开发研究人员具有一定的指导和帮助意义(Systematic introduction of digital development platform FPGA design techniques for FPGA development of some of the researchers have some sense of guidance and help)