vhdl语言实现的频率发生器，可以产生不同的频率

STOPWATCH FPGA SEVEN SEGMENT DISPLAY

picoblaze实现串口通信...难道一定要20个字吗?-implement uart communication base on picoblaze

VHDL Vendingmachine source

本verilog代码通过IIC总线实现了对 PCF8591AD、DA转换芯片的控制。适用于FPGA，亲测可用。(this is used for FPGA to control PCF8591(AD/DA) chip by verilog.)

经典的OV5642的verilog驱动程序(Verilog Driver of Classic OV5642)

高性能FPGA应用领域及其研究，FPGA的开发流程-High-performance FPGA applications and research, FPGA development flow

非常好的catapult学习书, catabult 可用于高级综合，由c产生vhdl/verilog(very nice book for catabult study)

说明：  APPCM算法和AD/DA芯片驱动在CPLD中的实现，已在实际硬件中测试OK，quartus2环境(APPCM algorithm and AD/DA chip in the drive to achieve in the CPLD has been tested in actual hardware OK, quartus2 environment)

一个用VHDL语言编写的双端口存储器程序，可下载在FPGA中使用-Written in VHDL language using a dual-port memory program can be downloaded in the FPGA using

xilinx spartan 6 pcie 仿真教程，v2.4版本，主要是讲解如何使用pcie core和自己的用户逻辑级联仿真。(xilinx spartan 6 pcie sim tutorial ，tell readers how to sim using pcie core and user app logic,tool:questasim)