用Actel公司的Fusion系列FPGA开发的RTC实验程序

用FPGA实现SDRAM的操作，具体操作见内部说明文件-FPGA SDRAM with the operation of the specific see internal note

是使用VHDL语言编写的基于FPGA的uart的源代码！-VHDL language is to use FPGA-based uart source code!

CIC抽取滤波器，抽取系数8,verilog版本，用于数字下变频(CIC decimation filter, extraction coefficient of 8, verilog version, for digital down-conversion)

一个PS2 IP CORE(VHDL) for FPGA-A PS2 IP CORE (VHDL) for FPGA

用VHDL语言实现的ARM处理器的标准内核的源代码程序，可在重用-use of the VHDL standard ARM processor core source code procedures, the reuse

对于中断技术有非常详细的讲解，带图片完整版(Technology for the interruption of a very detailed explanation, with pictures full version)

详细的说明了FPGA设计的整个流程 FPGA设计全流程Modelsim>>Synplify.Pro>>ISE(Detailed description of the FPGA design flow of the entire FPGA design flow full Modelsim> > Synplify.Pro> > ISE)

说明：  实现在屏幕上显示绿色和红色相间的水平条纹。其中，vga_640x480模块将产生行同步信号hsyn和场同步信号 vsync; vga_stripes模块将产生red、green和blue三个输出。(The horizontal stripes of green and red are displayed on the screen. Among them, vga_640x480 module will produce line synchronization signal Hsyn and field synchronization signal vsync; vga_stripes module will produce red, green and blue three outputs.)

说明：  熟悉IIC协议总线协议，采用IIC总线对图像采集传感器寄存器进行配置，并转换为RGB565格式。 利用异步FIFO完成从摄像头输出端到SDRAM 和SDRAM 到VGA 接口各跨时钟域信号的传输和处理。 利用 SDRAM 接口模块的设计，实现了刷新、读写等操作；为提高SDRAM 的读写带宽，均采用突发连续读写数据方式；并采用乒乓操作实现 CMOS 摄像头与VGA的帧率匹配。 利用双线性插值方法实现对图像640×480到1024×768的放大操作。 完成VGA显示接口设计。(Familiar with IIC protocol bus protocol, IIC bus is used to configure the register of image acquisition sensor and convert it into RGB565 format. Asynchronous FIFO is used to transmit and process signals across clock domain from camera output to SDRAM and SDRAM to VGA interface. With the design of SDRAM interface module, refresh, read and write operations are realized. In order to improve the read and write bandwidth of SDRAM, burst continuous read and write data mode is adopted, and table tennis operation is used to achieve frame rate matching between CMOS camera and VGA. The bilinear interpolation method is used to enlarge the image from 640*480 to 1024*768. Complete the VGA display interface design.)

用verilog实现endat2_1驱动,并用signalTap捕捉信号。(Using verilog achieve endat2_1 drive and use signalTap capture signal.)