斯巴达3 Digilent演示：演示驱动perphrials在斯巴达3板的…

基于diligent公司的basys2开发板的四位有符号二进制数的除法

Endat slave interface

基于FPGA的UDP硬件协议栈， 全部用SystemVerilog写的，不需CPU参与，包括独立的MAC模块。 支持外部phy的配置，支持GMII和RGMII模式。 以下是接口 input clk50, input rst_n, /////////////////////// //interface to user module input [7:0] wr_data, input wr_clk, input wr_en, output wr_full, output [7:0] rd_data, input rd_clk, input rd_en, output rd_empty, input [31:0] local_ipaddr, //FPGA ip address input [31:0] remote_ipaddr, //PC ip address input [15:0] local_port, //FPGA port number //interface to ethernet phy output mdc, inout mdio, output phy_rst_n, output is_link_up, `ifdef RGMII_IF input [3:0] rx_data, output logic [3:0] tx_data, `else input [7:0] rx_data, output logic [7:0] tx_data, `endif input rx_clk, input rx_data_valid, input gtx_clk, output logic tx_en(UDP hardware stack, written in system verilog, do nt need CPU.Projgect includes MAC Layer,support phy configuration.support gmii and rgmii mode. the interface is as the follows: input clk50, input rst_n, /////////////////////// //interface to user module input [7:0] wr_data, input wr_clk, input wr_en, output wr_full, output [7:0] rd_data, input rd_clk, input rd_en, output rd_empty, input [31:0] local_ipaddr, //FPGA ip address input [31:0] remote_ipaddr, //PC ip address input [15:0] local_port, //FPGA port number //interface to ethernet phy output mdc, inout mdio, output phy_rst_n, output is_link_up, `ifdef RGMII_IF input [3:0] rx_data, output logic [3:0] tx_data, `else input [7:0] rx_data, output logic [7:0] tx_data, `endif input rx_clk, input rx_data)

source code for Ethernet logic

自己总结的Altera_LVDS的IP核的设计及仿真分析，已在实际工程中应用到，并且带有源代码和仿真代码，总结的文档，非常有用。(My summary of the Altera_LVDS IP kernel design and simulation analysis, has been applied in practical engineering, and with source code and simulation code, summary of the document, very useful.)

E1 (FIRST ORDER EUROPE TRANSMISSION STANDARD)qw

quartus环境下开发的三人表决器（三种不同的描述方式）maxplusII兼容

FPGA实现FSK调制，带Modelsim仿真，实际系统测试通过，载波信号，信号频率等可调。(FPGA implementation FSK modulation with Modelsim simulation, the actual system test, the carrier signal, the signal frequency is adjustable.)

基于VHDL的RS232通讯程序,包含完整的源代码,锁脚文件以及下载文件,可直接下载使用(VHDL based on the RS232 communication procedures, including complete source code, locking pin, as well as download files documents can be directly downloaded using)

super fast debounce button on vhdl, xilinx xc