HDLC协议

根据音乐发生的机理，将复杂可编程逻辑器件作为发生音乐的核心器件，用高速集成电路硬件描述语言编程描述发生的音乐乐谱，配合周边硬件电路，由电声转换发声器接收信号，从而发出音乐声，实验表明，采用该方法设计的音乐发生器成本低、修改方便-Music took place in accordance with the mechanism of complex programmable logic device, as occurred in the core of music devices, with high-speed integrated circuit hardware description language to describe the occurrence of music notation, with the peripheral hardware circuits, electro-acoustic conversion by the audible signal device to receive signals, which issued music, experiments show that this method of music generator design and low cost, easy to amend

用VHDL实现60秒倒计时的功能 倒计时为0时蜂鸣器持续响起(Continued sounded to achieve 60 seconds of the countdown function with VHDL countdown to the 0:00 buzzer)

本例是一个6层电梯的控制系统,VHDL原程序,状态机,控制器-This case is a 6-storey elevator control system, VHDL original procedures, state machine, controller

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)

verilog程序设计教程，适合初学者。-verilog programming tutorial for beginners.

利用VHDL语言编写的4*4键盘扫描程序，经过测试，可以放心使用。(Using VHDL language 4* 4 keyboard scanning procedures, tested, safe to use.)

在MAXPLUSII下实现BOOTH算法，可以进行任意位K×K的乘法-BOOTH algorthim implemented in the MAXPLUSII environment, which can carry out arbitrary bits multiplication.

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：  基于fpga状态机的交通灯设计，亮灯时间自己修改，程序简单易懂。(Traffic light design based on FPGA state machine, light time self-modifying, the program is simple and easy to understand.)

一个用VerilogHDL语言编写的模6的二进制计数器-a Verilog HDL language used in the preparation of the six-binary counter