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该项目是数字时钟的使用RTC DS12C887和8051微控制器（AT89C51）与时间设定，我们可以将它设置闹铃唯一不同的改进版本。它有助于理解在RTC的12C887设定报警的概念。该方案采用两个外部中断0和1，分别设定时间和闹铃。用于设置时间销P3中的微控制器8051的^2由低，这是外部中断0。对于报警设置微控制器的引脚P3.3由低是外部中断1。

两位二进制数乘法-two binary multiplication

参考sumsang的vivi修改后的在hfrk的smdk2410开发板上运行的bootloader-Reference sumsang the vivi revised smdk2410 in the development of on-board hfrk running bootloader

用汇编语言写的生日快乐-using assembly language to write a happy birthday

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国标 DLT-1997 645通讯协议 汇编代码-645 communication protocol assembly code

检查一串字符中每个字符出现的次数外加流程图说明文档-check each string of characters in the number of characters plus flow chart documentation

LED矩阵代码

汇编课程设计文本编辑器源码 很简单的功能很不错的-Compilation of curriculum design, source code is very simple text editor features a very nice

用8251a实现串行口异步通信，自发自收，波特率1200bps，采用查询方式发送，中断方式接受。自收结果显示于屏幕。按esc返回dos -8251a Serial port with asynchronous communication, spontaneous self-income, the baud rate 1200bps, using queries sent, interrupt to receive treatment. Since the close results showed on the screen. Press esc to return dos