A Dec example written in VHDL.

C源碼16C550 串口驅動，使用中斷收送RS232資料(16C550 UART Driver)

Qutuas II v7.1的key_gen 对sp1无效 这就是个v7.1 sp1的key_gen -Key_gen the Qutuas II v7.1 for sp1 invalid This is the v7.1 sp1 months key_gen

     提供2个VHDL程序实现键盘显示的功能，第一个是16*16点阵显示“北京欢迎”，用VHDL语言编程实现，串烧在单片机实验工具箱上，让单片机点阵键盘上依次显示“北京欢迎”的字样。另附有LED数码管循环显示0～9数字的VHDL程序 ，成功串烧后，键盘上连续显示0~9这10个数字。

FPGA简单VGA彩条显示程序驱动程序640*480(FPGA simple VGA color display Driver 640* 480)

说明：  fpga版本的数码管动态扫描程序，可供学习(FPGA version of the digital tube dynamic scanning program for learning)

几个VHDL的源代码和和一个本人编写的5级流水线RISC CPU的代码-several VHDL source code, and in my preparation of a five pipelined RISC CPU code

Take its complement by applying DeMorgan’s theorem to obtain F in the form of product of complemented products.

用vhdl编写的简易电子中设计，经过测试成功，且用记事本上载，无需阅读器进行阅读。-Use of VHDL in the preparation of simple electronic design, has been tested successfully, and use Notepad to upload without reader reading.

微波炉定时器集成电路的设计 1、 控制状态机：工作状态状态转换。 2、 数据装入电路：根据控制信号选择定时时间、测试数据或完成信号的装入。 3、 定时器电路：负责完成烹调过程中的时间递减计数和数据译码供给七段数码显示，同时还可以提供烹调完成时间的状态信号供控制状态机产生完成信号。 -microwave timer IC design a control state machine : state of the state conversion work. 2, data loading circuit : According to choose control signal timing, or the completion of the test data signal load. 3, timer circuit : responsible for the completion of the cooking process of counting and time decreasing supply data decoding digital paragraph 107, while cooking can also provide time to complete state control signal for the state machine generated signals.

说明：  有自己制作的下载器原理图，包含了stlinkv2,XDS100V3,USBBLASTER.原理图和封装，一款多功能下载器。(Have their own production downloader schematic diagram, contains stlinkv2, XDS100V3, USBBLASTER. Schematic diagram and encapsulation, a multi-function downloader.)