AHB 转移到 APB 源和建业读/写 verilog 代码

基于Verilog Hdl语言实现的USB2.0通信模块。

忆阻器的PSPICE仿真，是忆阻器的宏模型，适合于cadence16.5版本(memristor PSPICE simulation)

基于OV7670采集，SDRAM缓存，sobel处理，VGA显示的工程，内有全部代码，基于QUARTUS开发板实现。 FPGA 边缘检测(Based on OV7670 acquisition, SDRAM cache, sobel processing, VGA display project, with all the code, based on QUARTUS development board. FPGA edge detection)

其一个数码时钟和闹钟，写在 verilog 的spartan 6，用户可以设置的帮助下电钮，伸直谴责的按钮实施，在正常操作中时钟滴答，然后控件来处理 Alaram 系统中，当 alaram 的时间匹配时钟原始时间的运行然后四个指示灯开始闪烁在该套件

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.)

SPI的Verilog实现(非常的全面和详细，还带有SPI算法的注解)(SPI in Verilog implementation (a very comprehensive and detailed, but also with the SPI algorithm annotation))

AUDIO音频模块AN831的录音及播放FPGA代码，测试通过(AUDIO audio module AN831 recording and playback of FPGA code, the test passed)

说明：  AXI verilog designs with testbench: AXI-lite, AXI, AXI-stream

说明：  本书纸版由机械工业出版社于2014年出版，张强编著，电子版由华章分社（北京华章图文信息有限公司）全球范围内制作与发行(The book was published in paperback by China machine press in 2014, and edited by zhang qiang. The electronic version was produced and distributed worldwide by huazhang branch (Beijing huazhang graphic information co., LTD.))

FPGA 全数字化实现信号发生器，产生正弦、三角、方波；幅值频率可调