VHDL学习总结，简要概括了VHDL，非常适合做学习的总结

说明：  假设每个从设备中有可访问APB寄存器16个，位宽均为32比特，16个寄存器的访问地址计算方式为 基址 +　寄存器编号左移２位（byte 偏移）(Assuming that there are 16 accessible APB registers in each slave device, the bit width is 32 bits, and the access address of 16 registers is calculated by base address + register number left shift 2 bits (byte offset).)

完成黑白全屏半屏棋盘格、红绿全屏半屏竖条栅、蓝绿全屏半屏横条栅六种图形格式之间的循环转换，用FPGA实现VGA显示。 设计方案的顶层文件需有几个模块构成：锁相环模块，分频定时模块，时序控制模块和显示模块。每个模块首先用VHDL语言 完成实现并仿真，再生成模块放在顶层的block文件中。锁相环模块作用是把硬件实验板的50MHz转换为适用于VGA800*600 的40MHz时钟；定时模块定时5秒，每5秒转换一种图形显示方式；时序控制模块用于扫描及消隐，使能够正常显示；显示模块 用于显示。各模块正确连线、定义引脚和仿真后，可以下载到FPGA中，连接显示器来显示，六种图形方案每5秒转换，循环。

基于VHDL编写的10进制显示输出，基于16进制的10进制控制，适合初学者(VHDL-based display output written in decimal, hexadecimal, 10 hexadecimal-based control, suitable for beginners)

一个关于VERILOG与VHDL混合编程，混合验证的资料(A hybrid programming on VERILOG and VHDL, mixed verification data)

quartusII的环境下的基于Ep3C10144的KeyBoard程序-quartesII of the environment based on the KeyBoard program Ep3C10144

CH4CH2CH1VHDL 数字电路参考书所有程序7-CH4CH2CH1VHDL digital circuit reference all proceedings 7

说明：  USB传图至fpga板缓存至DDR内，FPGA再读出图像数据，显示在TFT彩屏上；(USB to the FPGA board cache DDR, FPGA read out the image data, display on the TFT color screen;)

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

ADS7809是Burr-Brown公司推出的高精度AD采集芯片。它采用5V单电源供电,内含16位 逐次逼近寄存器,采样精度高,功耗小。 用Verilog实现其配置(ADS7809 is a Burr-Brown Introduces High Precision AD capture chip. It uses a single 5V supply, with 16-bit successive approximation register, sampling and high precision, low power consumption. To achieve its configuration with the Verilog)

说明：  QPSK的解调程序，采用Verilog编写而成(QPSK demodulation program, written by Verilog)