组合电路的设计8位加法器设计(ADD8.vhd)

sd_sdram_lcd 是读取SD卡中的数据，然后通过LCD显示(It is to read the data in SD card and display it by LCD)

LATTICE FPGA FIFO 程序例程，工程详细，全部源代码上传 (LATTICE FPGA FIFO routine, detailed engineering, all source code uploaded)

NiosII的C代码,包括网卡,lcd,usb,串口,按键.(NiosII C code, including network cards, lcd, usb, serial, key.)

树式除法型开方器VERILOG实现,用于任意长度的无符号数的开方运算-Square root of the tree-type divider-type device to achieve VERILOG

verilog实现rtc文档，可用于实现RTC。(verilog realize rtc document can be used to implement the RTC.)

ＶＨＤＬ语言的一些经典实例源代码，包括状态机，时序电路，组合逻辑电路等(Some classic examples of VHDL language source code, including the state machine, sequential circuits, combinational logic circuits)

crc校验,经验证正确,下载就可直接用,有不足的地方可以指正,-CRC check, certified correct, you can download directly, there are deficiencies can correct me,

最终FFT 64点使用定点。

GBT 15946-2008 GPIB可编程仪器标准数字接口的高性能协议 概述 (GBT 15946-2008 GPIB Programmable Instruments standard digital interface for high-performance protocol Overview)

DDS分频实现，全部代码的完整过程，包括截图等(DDS divider to achieve the complete process of all the code)