VHDL design classic, it is also useful.

黑金开发板对时钟信号的编写实验以及调试，相关代码如压缩包所示(CLOCK FPGA)

vhdl,无进位同步计数器，完成6进制加，输出6进制序列数-vhdl, non-binary synchronous counter to complete the six binary Canada, output 6, the number of binary sequences

4x4键盘模块。这个文件包括普通的键盘设计方案说明和相关的原程序。-4x4 keyboard module. The documents include ordinary keyboard design program descriptions and procedures related to the original.

说明：  是基于apb总线下的timer外设的rtl代码，主要包括apb_timer的master逻辑verilog，以及相应的开发文档，包括寄存器的描述，功能特性等。(RTL code is based on timer peripheral under APB bus, which mainly includes master logic Verilog of apb_timer and corresponding development documents, including the description of registers, functional characteristics and so on.)

包含一个ALU，实现斐波那契数列的计算。1.接受两个6位二进制输入。2.通过手动输入的时钟驱动每个周期进行一次计算。3.结果输出到led灯（使用NEXYS4开发板）(Including an ALU to realize the calculation of Fibonacci sequence. 1. Accept two 6-bit binary inputs. 2. Each cycle is driven by a clock input manually. 3. Output to LED lamp (using NEXYS4 development board))

哈希算法FPGA实现代码，采用MD5算法，并给出了仿真波形。(MD5 hashing algorithm for FPGA implementation code)

LDPC Encoding Ebook Tetourial code

由VHDL 语言实现的D触发器利用的是QUARTUES环境已经得到验证-By the VHDL language using the D flip-flop is QUARTUES environment has been tested

VHDL语言实现PWM信号，非常方便的使用-VHDL language realize PWM signal, very convenient to use

说明：  ADDER USING VERILOG ADDER WITH VERILOG VERILOG ADDER