基于fpga的出租车计费系统，采用自顶向下的设计方法

基于FPGA的PWM波生成程序，用于控制步进电机。(A PWM wave generater for driving stepper motor.)

Very good info. for RS-232 echo VHDL code .

使用vhdl语言在altera公司的up3板上产生vga信号，里面有详细的解析和说明，是一个很好的教程。-use of the VHDL language ALTERA company"s board up3 have vga signal containing a detailed analysis and explanation is a good guide.

数字时中（VHDL）-Numbers in (VHDL)! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !

Program for Code Gerneration

巴克码装到信息内同时将巴克码识别出来，实现帧同步的VHDL设计(Barker code loaded to the information identified while Barker code, VHDL design to achieve frame synchronization)

说明：  adfvff f fdfs f dvdsz dz vdzsvd hdfdgvaz

cordic算法的verilog 语言实现，注释详细，资料齐全，实现了cordic算法的各个功能，可以计算正余弦(cordic algorithm verilog language, detailed notes, and complete information)

运用vhdl程序设计语言进行ppm设计，ppm 设计在vhdl语言中非常常用，运用已经越来越广泛。-use vhdl program design language ppm design, vhdl ppm design in a very common language, has become increasingly widespread use.

VHDL的基本数学运算库,非常好用-VHDL basic arithmetic library, a very handy! !