原创verilog_16bit_risc_cpu，带相关PPT和testbench

说明：  一个简单的千兆以太网UDP协议的实现,可以实现数据的收发和ARP，实现PC端与FPGA的以太网通信(A simple implementation of Gigabit Ethernet UDP protocol can realize data sending and receiving and ARP, and realize Ethernet communication between PC and FPGA.)

3x3中值滤波器的FPGA实现现(VERILOG)可直接使用。 (3x3 median filter FPGA implementation of the present (VERILOG) can be used directly.)

wirebus总线nand flash controller，基础入门控制器，内存管理，fpga实现。已编译通过。编译平台quartus ii

产生SH,SP,RS,SP,φ1,φ2驱动脉冲，用于驱动TCD1501的的源代码(To generate SH, SP, RS, SP, φ1, φ2 drive pulse for driving TCD1501 source code)

锁相环是通信领域最基本的元件，同时在FPGA上也有广泛的应用，本代码是锁相环PLL的Verilog HDL代码，简单易读，能够实现PLL基本的锁相、分频等功能

模块

DSP28335与FPGA通过spi通信，此程序为28335为主接收程序(DSP28335 and FPGA through the SPI communication, this procedure for the 28335 receiving procedures)

频率计 测量范围1-100MHz 测量阈值0.1s 计数部分为FPGA/CPLD 语言VHDL 显示部分为51 单片机加八位数码管 语言C(Frequency meter Measuring range 1-100 MHZ Measure threshold is 0.1 s Count part of FPGA/CPLD Language VHDL Display part of 51 MCU with eight digital tube Language C)

基于VHDL的SDH专用芯片的TOP-DOWN设计， 内有全套源码以及图片，内容详尽，绝对真实可靠！(VHDL based on the SDH ASIC Design TOP-DOWN, which has a full set of source code, as well as pictures, and detailed, reliable and absolutely true!)

异步fifo设计代码，包含完整过程，需要的朋友可以参考，实际设计代码，参考了多个版本，通过了项目验证，已经实际应用。