PCF8574的数据移出移入总线的数据读写 PCF8574的数据移出移入总线的数据读写...

本次设计的RS232 to USB转换器，RS232端所采用的baud rate仅为9600。并没有对其它baud rate 到 USB 作转换-The design of the RS232 to USB converter, RS232 terminal baud rate used in 9600 only. There is no other baud rate to USB conversion

很全的dos命令，对于汇编过程中要用的的命令查询很有参考价值-Very wide of the dos command for the compilation process to use the command query valuable

简单的功能介绍：本软件是由，三块模块组成。一个是打字练习，一个是打字计时，一个是音乐练习。本软件解决了打字练习途中的估噪无味，提升练习效果。本游戏有4个等级,可以根据情况来选择。这个软件还改进了，判断你是否打字失败功能。如果，打字失败，还可以从来，亦可退出。打字计时，为你打字计时间，提高效率。同时，电子琴音乐，为你在无聊时，增添色彩，可以练习歌谱，提高兴趣。-Simple, functional description: This software is, three modules. 1 is a typing exercise, one is typing time, a music practice. The software solves the assessed noise typing practice tasteless way to improve practice effect. This game has four levels, you can choose depending on the circumstances. The software also improved, to determine whether you have failed typing feature. If, typing fails, you can never can quit. Typing time for your time typing dollars and improve efficiency. At the same time, organ music, for when you" re bored, add color, you can practice song sheet, interest.

在职学员培训课程管理系统 （1）系统基本数据的录入。 （2）可实现课程信息的查询、修改。 （3）可查询教师所授课程的评价内容。 （4）培训教材的录入、修改和查询。 -In-service training courses management system (1) system, basic data entry. (2) can be achieved curriculum information query, modify. (3) can be found by teachers delegate the evaluation of course content. (4) training materials input, modify, and query.

电子钟，数码管显示，可以调整。程序十分简单，思路清晰。-Electronic clock, digital display, you can adjust. Procedure is very simple, clear ideas.

使用51单片机实现时钟设计的仿真，有源程序以及Proteus的仿真图，希望对大家有帮助。-design clock。

用汇编语言编写的数字时钟程序，可以进行时间设置和闹铃设置等功能。-assembler language of the digital clock procedures that can be set-up time and set the alarm function.

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汇编打字游戏的源代码-compilation typing game"s source code

液晶屏启动程序，还包括液晶功能函数，画线画图等等。-LCD screen to start the procedure, including liquid crystal function, drawing a line drawing and so on.