ht82v38 线性ccd AD转换fpga程序

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)

（1）MTI （2）用FFT实现MTD （3）用FIR滤波器实现MTD ((1) MTI (2) using FFT realization MTD (3) with the FIR filter implementation MTD)

实用的程序代码，希望对大家有用，已经调试通过-Practical program code, in the hope that useful to everybody, has debugging through

LDPC Encoding Ebook Tetourial code

vhdl very good debug release vhdl very good debug release

FPGA连接PCI9504的电路图。以及PCB文件(FPGA connected to the circuit diagram of the PCI9504. And PCB files)

FIR滤波器：自定滤波器的类型（低通，高通或带通）、设计指标（通带截止频率、通带波纹、阻带截止频率、阻带衰减） 1、根据指标选择合适的窗函数，用窗口设计法设计符合指标的FIR滤波器；并验证其性能是否满足预定指标。 (FIR filters: Custom filter types (low pass, high pass or band-pass), design specifications (passband cutoff frequency, passband ripple, stopband cutoff frequency, stopband attenuation) 1, according to indicators choose the right window function, using the window design method of FIR filter designed to meet the targets and verify that its performance meets the set targets.)

用FPGA模拟VGA时序、模拟PS/2总线的键盘接口VHDL源代码，基于Xilinx spartan3-VGA FPGA timing simulation, simulation PS/2 keyboard interface bus VHDL source code, Based on Xilinx spartan3

Hexadecimal to 7 segments

说明：  FPGA与PC端实现串口数据的收发，先从PC端接收数据，然后发回给电脑，可通过串口助手验证。(The serial port data is sent and received between the FPGA and the PC. First, the data is received from the PC, and then sent back to the computer. It can be verified by the serial port assistant.)