vhdl programming from beginner level

HART 官方资料-HART协议采用基于Bell202标准的FSK频移键控信号，在低频的4-20mA模拟信号上叠加幅度为0.5mA的音频数字信号进行双向数字通讯，数据传输率为1.2kbps。(Official information-HART HART protocol based Bell202 standard frequency shift keying FSK signal at low frequencies 4-20mA analog signal amplitude is 0.5mA superimposed on the two-way audio digital signal digital communication, data transfer rate of 1.2kbps.)

MATLAB to HDL Code conversion

说明：  FPGA按键加蜂鸣器实验： 加延时防抖+蜂鸣器(Experiments of keys and buzzers in FPGA)

使用verilog hdl语言编程正弦波信号，能仿真出结果(Can use verilog HDL language programming sine wave signal, the simulation results )

NIOS II IDE 编程， FLASH测试程序，仅供参考。-NIOS II programming IDE, FLASH testing procedures, for information purposes only.

一种基于FPGA 实现DDDR SDRAM的控制器 (DDDR SDRAM controller based on FPGA)

可生成rom.初学者可以看看。很不错的。理解后生成rom很容易的。(LPM_ROM .It is good for VHDL new learner)

matlab仿真2ask和4ask.可观察信号的时域波形和频谱图。(Matlab simulation 2ask and 4ask. Can observe the signal time domain waveform and spectrum.)

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

vhdl 实现fpga 闪灯控制 流水线闪灯 还用signalTAP进行检测，给初学者参考(vhdl fpga flash control lines to achieve flash is also used signalTAP testing, to advanced users)