Altera company s FPGA using VHDL to the development, use quartus2 9.0 software E...

很好很强大！重要的入门书籍，非常经典!不可多得！-Very good very powerful! Important entry-books, very classic! Rare!

FPGA按键延时模块，产生key_value和key_flag 可直接例化调用(The key delay module of FPGA)

该源码表述了ecc算法如何用vhdl实现RSA（Ron Rivest，Adi Shamir，Len Adleman三位天才的名字）一样，ECC（Elliptic Curves Cryptography，椭圆曲线密码编码学）也属于公开密钥算

FFT vhdl generic: I m new to vhdl, and I tried to use xilinx fft core, but when I try to simulate it in test bench using ise simulator, I get zero results. here is what I do: 1- from core generator I choose fft core and create .vhd & .vho & .xco files. 2- I add the .xco & .vhd files to my project. 3- I create a new vhdl source as a wrapper to the core and add the code from the .vho files where it exactly says, and take the ports of the component and add it to the entity of the wrapper file.-FFT vhdl generic: I m new to vhdl, and I tried to use xilinx fft core, but when I try to simulate it in test bench using ise simulator, I get zero results. here is what I do: 1- from core generator I choose fft core and create .vhd & .vho & .xco files. 2- I add the .xco & .vhd files to my project. 3- I create a new vhdl source as a wrapper to the core and add the code from the .vho files where it exactly says, and take the ports of the component and add it to the entity o

介绍了在数字语音通信中, 利用在系统可编程技术和复杂可编程逻辑器件CPLD, 实现了数字语音的复接和分接 对于其中的单稳态电路的数字化和数字锁相环提取位同步信号也进行了详细的设计说明。实际应用结果表明, 系统工作稳 定可靠, 设计是成功的。(Describes the digital voice communications, the use of in-system programmable technical and complex programmable logic device CPLD, to achieve the digital voice multiplexer and demultiplexer for the single steady state in which the digital circuit and digital phase locked loop extraction bit synchronization signals are also carried out a detailed design specification. The practical application results show that the system works stable and reliable design is successful.)

理想三相转单相 基于 spwm 的逆变器，可调(Ideal three-phase switch to a single the phase based spwm inverter)

verilog 实现的FFT 流水线操作，速度能达到200M(verilog pipelining the FFT implementation, the speed can reach 200M)

这是我用vhdl语言，在fpga内部做了一个双口ram的程序。我的邮箱：wleechina@163.com-This is the language I used vhdl in fpga done an internal dual-port ram procedures. My mail : wleechina@163.com

this implemented multilplier in vhdl.this source code is useful for computer student and hardware engineering.-this is implemented multilplier in vhdl.this source code is useful for computer student and hardware engineering.

《Verilog HDL 程序设计教程》5-"Verilog HDL Design Guide" 5