频率计介绍了用VHDL语言编写的频率计的程序，详细编写了如何测频，如何计数频率。...

说明：  在FPGA上实现CAN总线SPI接口通信，使用Verilog语言(Realize SPI interface communication of CAN bus on FPGA, using Verilog language)

波形产生器：用VHDL编写的波形产生器程序-Waveform Generator: Using VHDL prepared waveform generator procedure

说明：  sata3.0协议及FPGA各模块实现,有代码及文档说明。(Sata3.0 protocol and FPGA module implementation, with code and documentation.)

这个程序是为了区分SIGNAL和VARIABLE在不同情况下要怎样使用的例程，程序中使用了三种情况来说明问题(This program is designed to differentiate between routine SIGNAL VARIABLE in different situations and how you want to use, the program uses the three cases to illustrate the problem )

altera 官方rs232例程 很详细很实用-official rs232 routines in great detail altera very practical

SVPWM脉冲的产生。

用于实现两个数相加的vhdl代码，在相应的编译器中使用-used to achieve the two summed VHDL code, the corresponding use of compiler

GPIO LED 测试工具源代码，可以用来检测开发的主板GPIO LED设备是否工作正常(GPIO LED test tool source code, can be used to detect the development of motherboard GPIO LED device is working properly)

电子密码锁程序，密码输入正确之后，锁就打开，如果输入的三次的密码不正确，就锁定按键3秒钟，同时发现报警声-Electronic code lock procedure, enter the correct password, the lock will open, if entered incorrect password three times, on the lock button 3 seconds, also found the sound alarm

EAB_VHDL