FPGA代码，Designing_with_Quartus_II_Exercises_Ver11_v4_2.doc

EDA常用双LED显示译码程序，将四位二进制数译码为七位对应于LED7位输入的高低电平信号-EDA common dual LED display decoding procedure will be four binary decoding for seven LED7 spaces corresponding to the input signal circuits

用verilog HDL编写的SPI控制器，从国外网站上找到的。-SPI (Serial Peripheral Interface) is serial, synchronous, full duplex communication protocol. It is widely used as a board-level interface between different devices such as microcontrollers, DACs, ADCs and others.

这是基于verilog hdl的数字时钟源代码，能够实现时分秒的计时，可以手动进行调时与调分。(This is based on the digital clock verilog hdl source code, can be achieved when every minute of the time, you can adjust the time manually adjusting points.)

用32位NiosII处理器实现RS232通信，可以给初学者一个借鉴。-NiosII with 32-bit processors to achieve RS232 communication, can give a reference for beginners.

可配置CRC参考设计 xilinx的ip，参考设计文档CRC_xapp562[1].pdf，VHDL语言编写的代码，包含仿真所需文件-configurable CRC Reference Design xilinx the ip, CRC_xapp562 reference design document [1]. pdf, prepared by the VHDL code The simulation includes the necessary documents

FPGA implementation of simple Multi-tone Electronic Keyboard using DE2-115 board with a PS/2 keyboard and speaker

测量周期,此程序已经在EP2C板子上成功实现(mesure cycle)

说明：  RISC-V 芯片设计规范,很有参考价值，开源芯片设计必备参考资料，希望对大家有帮助。(The RISC-V Foundation is chartered to standardize and promote the open RISC-V instruction set architecture)

4位电子密码锁，带键盘扫描、按键防抖动、LCD驱动编译码-four electronic password lock with a keyboard scan button shake, LCD driver encryption

输入正确密码显示绿灯亮 错误时红灯亮并发出警报 运行环境为matplaux 2-a afdg jhg dfgh r fbnrfer