用VHDL编写。数字钟校时电路，根据表示是否校时的输入引脚、是校正小时还是校正分钟的输入引脚决定校正状态。接受一个按钮的脉冲输入，每输入一个脉冲，被校正的时间增加1.与我的其它8个模块配套构成一个数字钟。
Programmed with VHDL.The time-revising circuit of a digital clock. Detect the inputs and decide if revise time, hour or minute. It recepts an impulse input from a key and the currently revised time will increase by 1 for each pushing of the key. (2011-06-24, VHDL, 116KB, 下载4次)
用VHDL编写。称为校时闪烁电路。一般的电子表在校时时都会使被校正的时间不停地闪烁。此模块实现了类似的功能。与我的其它8个模块配套构成一个数字钟。
Programmed with VHDL. It is called a flashing circuit(when time is being revised).Generally, a digital watch will flash the currently revised time(for example,hour) to let the user know time revised. This module implements the similar function. It is one of my total 9 modules that are used to design a digital clock. (2011-06-24, VHDL, 140KB, 下载4次)
数字钟的实现，包括报时，校时，清零，闹钟等功能，内附源文件电路图跟源代码。
This is a digital clock to achieve the VHDL. Using eight digital tube display!- Adjustable alarm can be school. (2011-06-15, VHDL, 90KB, 下载4次)
利用QuartusII7.0、MATLAB以及SmartSOPC实验系统进行多功能数字钟的设计是本次试验的主要内容。该数字中需包含的功能主要有：分频、校时校分、清零、动态显示、整点报时、闹钟闹铃、秒表以及24小时制和12小时制的转换等。
QuartusII7.0, MATLAB, and SmartSOPC experimental system for the design of multi-function digital clock is the main content of the trial. The figure is included in the functions needed are: sub-band, school, when school hours, resetting, dynamic display, the whole point timekeeping, alarm clock alarm, stopwatch and 24-hour system and 12-hour system conversion. (2011-06-08, VHDL, 249KB, 下载9次)
电子数字钟，周期为24小时，显示满刻度为23时59分59秒，另外还具有校时功能和闹钟功能
Electronic digital clock, 24-hour period, indicating full scale as 23:59:59, when the school also has a function and alarm functions (2011-05-24, VHDL, 44KB, 下载6次)
一个实现时钟功能的程序，包括闹铃、校时等
Clock features an implementation process, including alarm, timing, etc. (2011-05-02, VHDL, 96KB, 下载6次)
功能要求：
分离模块要求：
1）设计一个可以显示012345的显示电路，并利用单片机实现。
2）利用按键切换，然后显示ABCDEF
3）按键切换的动作，全部用串口进行通信。
设计一个开关，当进行切换后，程序再进入主要要求。
主要要求：
(1) 显示准确的北京时间（时、分、秒），可用24小时制式；
(2) 随时可以调校时间。
(3) 增加公历日期显示功能（年、月、日），年号只显示最后两位；
(4) 随时可以调校年、月、日；
(5) 允许通过转换功能键转换显示时间或日期。
(6) 所有按键需要通过串口自发自收来调校各种功能。
Functional requirements:
Separation module requires:
1) design a display can show 012,345 circuit, which uses single chip.
2) the use of key switching, and then display the ABCDEF
3) button to switch the action, all with the serial communication.
Design of a switch, when to switch, the program re-entering the main requirement.
Key requirements:
(1) shows the exact Beijing (hours, minutes, seconds), available 24 hours format
(2) can be adjusted at any time.
(3) increasing the Gregorian calendar display function (year, month, day), era show only the last two
(4) can always adjust the year, month, day
(5) allows conversion by converting function key display time or date.
(6) All keys need to adjust the serial port of spontaneous self-closing functions. (2011-04-24, VHDL, 10KB, 下载12次)
1) 计时计数器用24进制计时器电路。
2) 可手动校时，能清零及分别进行时、分、秒的校正。
3) 可整点报时，扬声器发出时长为1s的信号。
4) 可设置闹钟功能。当计时计到预定时间时，扬声器发出闹铃信号，可控制闹铃时长。
clock (2010-12-17, VHDL, 844KB, 下载5次)
应用8031单片机控制的数字时钟上，在设计上采用硬件计数与软件计数相结合的方式，并且定时器T0采用了中断方式，优先级最高。然后通过开关的闭合与关断来控制闹钟的校时，整点报时等功能。
Application of 8031 controlled digital clock, counting in the design of hardware and software using a combination of counts and using the timer interrupt T0, the highest priority. Then closed through the switch to control the clock and off the school, the whole point of time and other functions. (2010-12-14, VHDL, 862KB, 下载1次)
用Verilog HDL 设计一个多功能数字钟，包含以下主要功能：
（1） 计时，时间以24小时制显示。
（2） 校时，
（3） 跑表：启动、停止、暂停
Verilog HDL design with a multi-functional digital clock, includes the following main functions: (1) time, time to 24-hour display. (2) school, (3) stopwatch: start, stop, pause (2010-12-02, VHDL, 1342KB, 下载7次)
电子钟的设计，(1) 计时功能：这是本计时器设计的基本功能，可进行时、分、秒计时，并显示。
(2) 闹钟功能：如果当前时间与设置的闹钟时间相同，则扬声器发出一段音乐，并维持一分钟。
(3) 调时调分调闹钟功能：当需要校时或者要重新设置闹钟的时间时，可通过实验箱上的按键控制。
The design of electronic clock, (1) timer function: This is the basic design of the timer function, can be hours, minutes, seconds, time, and displayed. (2) Alarm function: If the current time and set the alarm clock the same time, the speaker issued a piece of music, and to maintain a minute. (3) adjusting the tone when the tone alarm sub-functions: the school or when when you need to re-set the alarm time, the experimental box through the keys on the control. (2010-11-30, VHDL, 82KB, 下载7次)
数字钟的VHDL语言实现基本功能，包括
1、24小时计数显示；
2、具有校时功能（时，分） ；
附加要求：
1、实现闹钟功能（定时，闹响）；
Digital clock in the VHDL language for basic functions, including 1,24-hour count display 2, when a school function (hour, minute) additional requirements: 1, to achieve the alarm function (time, alarm sound) (2010-11-25, VHDL, 1KB, 下载3次)
基于CPLD的交通灯控制，完成交通灯的功能，校错能力
CPLD-based control of traffic lights, traffic lights to complete the function, the school was wrong capacity (2010-10-08, VHDL, 426KB, 下载5次)
本文介绍了一个多功能电子钟的设计方案。该方案具有计时、整点报时、校时、校分、闹钟等多项功能。此方案基于Altera 公司的 Cyclone 芯片及Quartus II 7.2 软件。整体设计采用自顶向下的设计思想，大量使用了器件模块化操作。本文对于研究数字钟及扩大其应用，有着非常现实的意义。
This paper describes a multi-clock design. The program has the time, the whole point of time, school hours, school hours, alarm clocks and many other features. This program is based on Altera' s Cyclone chip and Quartus II 7.2 software. The overall design using top-down design, extensive use of modular operation of the device. This digital clock for research and expand its application, has a very practical significance. (2010-09-08, VHDL, 756KB, 下载12次)
数字钟，用VHDL 编写。具有计时，校时（调分调时），报时功能
Digital clock, written with VHDL. With time, school time (when the tone on tones), timekeeping function (2010-09-02, VHDL, 188KB, 下载5次)
B码的产生 使用B码进行校时 用来产生B码
以及B码的格式 说明
B generated code when using the B codes school code used to generate B and B code format description (2010-07-23, VHDL, 332KB, 下载130次)
B码校时（B码的产生）用来产生B码，实现B码校时 使设备进行同步。
B码校时（B码的产生）用来产生B码，实现B码校时 使设备进行同步。 (2010-07-23, VHDL, 5KB, 下载89次)
电子钟（模式转换24/12进制，校时，校分）
Clock (24/12 hex mode conversion, school hours, school hours) (2010-07-09, VHDL, 102KB, 下载2次)
VHDL数字钟设计程序 设计要求 基本要求： 1、24小时计数显示； 2、具有校时功能（时，分） ； 附加要求： 1、实现闹钟功能（定时，闹响）；-
VHDL design process digital clock design basic requirements: 1.24 hours count display 2, when a school function (hour, minute) additional requirements: 1, to achieve alarm (time, alarm sound) - (2010-06-22, VHDL, 70KB, 下载48次)
VerilogHDL编译基本功能具有“秒”、“分”、“时”计时功能，小时按24小时制计时。具有校时功能，能对“分”和“小时”进行调整。扩展功能
仿广播电台正点报时。在59分51秒、53秒、55秒、57秒发出低音512Hz信号，在59分59秒时发出一次高音1024Hz信号，音响持续1秒钟，在1024Hz音响结束时刻为整点。
定时控制，其时间自定；
可任意设定时间的闹钟
自动报整点小时数
小时显示：可切换12小时/24小时显示
VerilogHDL compile the basic functions of a " second" , " division" and " when" time function, hour by 24-hour time. When a school function, can " divide" and " hours" to adjust. Radio extension punctual timekeeping imitation. In 59 minutes and 51 seconds, 53 seconds, 55 seconds, 57 seconds sent the bass 512Hz signal, in 59 minutes and 59 seconds to issue a Treble 1024Hz signal, sound for 1 second, the end of the 1024Hz sound time for the whole point. Timing control, its time to custom can be arbitrarily set the time automatically report the whole point of the alarm clock an hour for several hours show: switchable 12 hours/24 hours display (2010-06-20, VHDL, 1KB, 下载5次)