C控制ADC的使用，主要是控制写入，控制状态。

四选一选择器,输入四个,输出1个.当NM=00时选A 当NM=01时选B 当NM=10时选C 当NM=11时选D-four elected a selector, the importation of four, Output 1. When NM = 00 A at the election when NM = 01 am when the election NM B = C 10:00 when the election NM = 11:00 election D

用fpga芯片使用vhdl语言对AD转换芯片ADC0809进行控制(Using the fpga chip use language of VHDL AD transform chip ADC0809 control)

fpga的一个小程序用于3s500e 4*4键盘模块(fpga is a small program used 3s500e 4* 4 keyboard module)

一个任意整数分频程序,采用VHDL语言编写，编译通过-An arbitrary integer frequency procedure for the VHDL language, the compiler through

CORDIC(Coordinate Rotation Digital Computer)算法即坐标旋转数字计算方法。 CORDIC算法,能够通过平移和累加快速实现基础的数学函数,包括三角函数,开方,指数,对数,平方根等函数。(CORDIC (Coordinate Rotation Digital Computer) algorithm for the coordinate rotation digital calculation. CORDIC algorithm can be achieved through the rapid translation and accumulation based on mathematical functions, including trigonometric, square root, exponential, logarithmic, square root and other functions.)

IP 核的接口（The Avalon® Streaming (Avalon-ST) interface）的使用说明，和程序(IP core interface (The Avalon Streaming (Avalon-ST) interface) instructions for use, and procedures)

Verilog的135个经典设计实例.使你工作使用学习中，会有很大帮助，各种典型案例(135 classic Verilog design examples. Make your work with the study, will be of great help, of various typical cases )

基于altera ep2c8双口RAM -Altera ep2c8-based dual-port RAM

说明：  基于RTL8211以太网芯片开发的以太网通信代码，使用Quartus编程，FPGA板子为开发者(Ethernet communication code based on rtl8211 Ethernet chip, using quartus programming, FPGA board for developers)

this is verilog code for designing ALU in fpga.