基本逻辑门电路的设计方法，或门的VHDL的设计让你更容易步入VHDL的设计氛围中，简单的或门编制...

我用FPGA来实现，这是一个出租车计价器，用来计算里程，我已在Quartus 2实现。(I used the FPGA to achieve, this is a taxi meter, calculate the mileage, I have been in quartus 2 to achieve.)

Verilog 语言写的控制 DAC8568 的模块，DAC8568 是SPI接口。(Verilog language used to write the control module DAC8568, DAC8568 is SPI interface.)

Verilog HDL编写的键盘扫描程序，考虑了判断按键弹起的问题。程序按一定的频率用低电平循环扫描行线，同时检测列线的状态，一旦判断有一列为低则表示有键被按下，停止扫描并保持当前行线的状态，再读取列线的状态从而得到当前按键的键码；等待按键弹起：检测到各列线都变成高点平后，重新开始扫描过程，等待下一次按键。-Written in Verilog HDL keyboard scanner, taking into account to determine key bounce problem. Program according to a certain frequency of scan lines with low-level circulation lines, while testing out the state line, once the judge has said there is a classified as low-key is pressed, stop the scan and to maintain the current line-line state, and then read out line state to get the current keys key codes to wait for key pop-up: To detect the lines at all out into a high level after the re-start the scanning process, waiting for the next key.

IIC控制器 for Sopc Builder-IIC controller for Sopc Builder

数字钟的实现 FPGA上运行 VHDL编写-Digital clock running on the FPGA to achieve the preparation of VHDL

VHDL 基于cpld EPM570的DA转换代码(VHDL CPLD EPM570 the DA conversion code based on)

说明：  AMBA2.0标准的AHB2APb桥，代码通过验证(AMBA2.0 standard AHB2APb Bridge, through the verification code)

verilog，FPGA的TDC电路设计(verilog ，TDC base on FPGA)

计算机组成原理课程实验使用软件，Thinpad教学机教学实验软件 实现mips代码到机器代码之间的转换 实现本机和FPGA板的通信，将机器代码送入 可在本机编写代码送入fpga板的sram中，fpga板的cpu会运行(Computer architecture course experiment using software, Thinpad teaching machine teaching experiment software mips code into machine code conversion for communication between the machine and the FPGA board can be fed into the machine code written in native code into the fpga board sram in, fpga board cpu runs)

DDR（双速率）SDRAM控制器参考设计，xilinx提供-DDR (double data rate) SDRAM controller reference design for Xilinx