本文是自已写的电子密码锁的详细开发过程，用的是Modelsim进行仿真实现，打开文档lzp...

combinational circuits code in vhdl

基于FPGA的VGA驱动代码VHDL 在显示屏显示一个汉字-FPGA-based VHDL code of the VGA driver that a character in the display

DDR2控制器设计原码,可以在FPGA上测试通过,并对外部的ddr memory进行读写访问.(DDR2 controller design of the original code, can be tested through the FPGA, and external ddr memory read and write access.)

例程是基于quartus的，FPGA通过EMIF给DSP发送数据，里面包含了一个简单的状态机和一个基于IP核的fifo，适合初学者(Routine is the FPGA to send data to the DSP via EMIF, which contains a simple state machine and an IP-based core fifo, suitable for beginners)

基于FPGA的等精度数字频率计，包含FPGA和单片机通信程序，解释非常详细。经过调试成功。(FPGA-based Precision Digital frequency meter, including FPGA and MCU communication program, explained in great detail. After successful commissioning.)

EDA应用中ROM具体定义实例，供大家学习和写程序参考之用-EDA applications, examples of the specific definition of ROM, for everyone to learn and write programs for reference

vhdl经典源代码――LCD控制，入门者必须掌握-vhdl classical source code-- LCD control, beginners must master

CAN总线的数据采集，FPGA到USB。verilog hdl语言。(CAN bus data acquisition, FPGA to the USB. verilog hdl language.)

vhdl,十进制加减计数器，输出计数序列信号-vhdl, decimal addition and subtraction counter, the output count sequence signal

这是一个JPEG的编解码的VHDL程序代码-This is a JPEG codec the VHDL code